Range Partitioning Tables
Hash Partitioning Tables
Composite Partitioning Tables
range partition
***************
create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
partition by range(deptno) (partition p1 values less than(10),
partition p2 values less than (20),
partition p3 values less than (30),
partition p4 values less than (maxvalue))
insert into emp_pat select * from emp;
SQL> explain plan for select * from emp_pat where deptno=40;
Explained.
SQL> select * from table (dbms_xplan.display());
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Plan hash value: 253299801
--------------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Pstart| Pstop |
--------------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | 87 | 3 (0)| 00:00:01 | | |
| 1 | PARTITION RANGE SINGLE| | 1 | 87 | 3 (0)| 00:00:01 | 4 | 4 |
|* 2 | TABLE ACCESS FULL | EMP_PAT | 1 | 87 | 3 (0)| 00:00:01 | 4 | 4 |
--------------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------
2 - filter("DEPTNO"=40)
Note
-----
- dynamic sampling used for this statement (level=2)
18 rows selected.
SQL> explain plan for select * from emp_pat where sal<=1050;
Explained.
SQL> select * from table (dbms_xplan.display());
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Plan hash value: 3695347441
-----------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Pstart| Pstop |
-----------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 2 | 174 | 6 (0)| 00:00:01 | | |
| 1 | PARTITION RANGE ALL| | 2 | 174 | 6 (0)| 00:00:01 | 1 | 4 |
|* 2 | TABLE ACCESS FULL | EMP_PAT | 2 | 174 | 6 (0)| 00:00:01 | 1 | 4 |
-----------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------
2 - filter("SAL"<=1050)
Note
-----
- dynamic sampling used for this statement (level=2)
18 rows selected.
SQL>
range partition without maxvalue
********************************
SQL> drop table emp_pat;
Table dropped.
SQL> create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
2 mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
3 partition by range(deptno) (partition p1 values less than(10),
4 partition p2 values less than (20),
5 partition p3 values less than (30))
6 /
Table created.
SQL> insert into emp_pat select * from emp;
insert into emp_pat select * from emp
*
ERROR at line 1:
ORA-14400: inserted partition key does not map to any partition
or
SQL> create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
2 mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
3 partition by range(sal) (partition p1 values less than(1000),
4 partition p2 values less than (2000),
5 partition p3 values less than (4000))
6 /
Table created.
SQL> insert into emp_pat select * from emp;
insert into emp_pat select * from emp
*
ERROR at line 1:
ORA-14400: inserted partition key does not map to any partition --( one row is more than 5000 sal is there )
SQL> insert into emp_pat select * from emp where sal <=4000;
13 rows created.
SQL> select * from emp_pat partition (p1);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7369 SMITH CLERK 7902 17-DEC-80 800 20
7900 JAMES CLERK 7698 03-DEC-81 950 30
SQL> select * from emp_pat partition (p2);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30
7876 ADAMS CLERK 7788 12-JAN-83 1100 20
7934 MILLER CLERK 7782 23-JAN-82 1300 10
6 rows selected.
SQL> select * from emp_pat partition (p3);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7566 JONES MANAGER 7839 02-APR-81 2975 20
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30
7782 CLARK MANAGER 7839 09-JUN-81 2450 10
7788 SCOTT ANALYST 7566 09-DEC-82 3000 20
7902 FORD ANALYST 7566 03-DEC-81 3000 20
SQL> SELECT TABLE_NAME, PARTITION_NAME, HIGH_VALUE
2 FROM USER_TAB_PARTITIONS
3 WHERE TABLE_NAME='EMP_PAT'
4 ORDER BY PARTITION_NAME;
TABLE_NAME PARTITION_NAME HIGH_VALUE
------------------------------ ------------------------------ -------------------------
EMP_PAT P1 1000
EMP_PAT P2 2000
EMP_PAT P3 4000
range partition with Interval
********************************
SQL> create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
2 mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
3 PARTITION BY RANGE(hiredate)
4 INTERVAL(NUMTOYMINTERVAL(1,'YEAR'))
5 (
6 PARTITION p1 VALUES LESS THAN (TO_DATE('01-12-1980', 'DD-MM-YYYY')),
7 PARTITION p2 VALUES LESS THAN (TO_DATE('1-12-1981', 'DD-MM-YYYY')) ,
8 PARTITION p3 VALUES LESS THAN (TO_DATE('1-12-1982', 'DD-MM-YYYY'))
9 )
10 /
Table created.
SQL> insert into emp_pat select * from emp where hiredate<='03-DEC-82';
12 rows created.
SQL> SELECT num_rows, TABLE_NAME, PARTITION_NAME, HIGH_VALUE
2 FROM USER_TAB_PARTITIONS
3 WHERE TABLE_NAME='EMP_PAT'
4 ORDER BY PARTITION_NAME
5 /
NUM_ROWS TABLE_NAME PARTITION_NAME HIGH_VALUE
---------- ------------------------------ ------------------------------ --------------------------------------------------------------------------------
EMP_PAT P1 TO_DATE(' 1980-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA'
EMP_PAT P2 TO_DATE(' 1981-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA'
EMP_PAT P3 TO_DATE(' 1982-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA'
SQL> delete from emp_pat;
12 rows deleted.
SQL> commit;
Commit complete.
SQL> insert into emp_pat select * from emp;
14 rows created.
SQL> SELECT num_rows, TABLE_NAME, PARTITION_NAME, HIGH_VALUE
2 FROM USER_TAB_PARTITIONS
3 WHERE TABLE_NAME='EMP_PAT'
4 /
NUM_ROWS TABLE_NAME PARTITION_NAME HIGH_VALUE
---------- ------------------------------ ------------------------------ --------------------------------------------------------------------------------
EMP_PAT P1 TO_DATE(' 1980-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA'
EMP_PAT P2 TO_DATE(' 1981-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA'
EMP_PAT P3 TO_DATE(' 1982-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA'
EMP_PAT SYS_P21 TO_DATE(' 1983-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA'
List Partition
****************
SQL> create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
2 mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
3 PARTITION BY LIST(deptno)
4 (Partition p1 values (10),
5 partition p2 values (20,30),
6 partition p3 values (default))
7 /
Table created.
SQL> create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
2 mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
3 PARTITION BY LIST(deptno)
4 (Partition p1 values (10),
5 partition p2 values (20,30),
6 partition p3 values (default))
7 /
Table created.
SQL> insert into emp_pat select * from emp;
14 rows created.
SQL> SELECT num_rows, TABLE_NAME, PARTITION_NAME, HIGH_VALUE
2 FROM USER_TAB_PARTITIONS
3 WHERE TABLE_NAME='EMP_PAT'
4 ORDER BY PARTITION_NAME;
TABLE_NAME PARTITION_NAME HIGH_VALUE
------------------------------ ------------------------------ --------------------------------------------------------------------------------
EMP_PAT P1 10
EMP_PAT P2 20, 30
EMP_PAT P3 default
SQL> select * from emp_pat partition (p3);
no rows selected
SQL> select * from emp_pat partition (p2);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7369 SMITH CLERK 7902 17-DEC-80 800 20
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30
7566 JONES MANAGER 7839 02-APR-81 2975 20
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30
7788 SCOTT ANALYST 7566 09-DEC-82 3000 20
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30
7876 ADAMS CLERK 7788 12-JAN-83 1100 20
7900 JAMES CLERK 7698 03-DEC-81 950 30
7902 FORD ANALYST 7566 03-DEC-81 3000 20
11 rows selected.
SQL> select * from emp_pat partition (p1);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7782 CLARK MANAGER 7839 09-JUN-81 2450 10
7839 KING PRESIDENT 17-NOV-81 5000 10
7934 MILLER CLERK 7782 23-JAN-82 1300 10
SQL> explain plan for select empno,ename,sal,deptno from emp_pat where deptno=20;
Explained.
SQL> select * from table(dbms_xplan.display());
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Plan hash value: 3226506680
-------------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Pstart| Pstop |
-------------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | 46 | 3 (0)| 00:00:01 | | |
| 1 | PARTITION LIST SINGLE| | 1 | 46 | 3 (0)| 00:00:01 | KEY | KEY |
|* 2 | TABLE ACCESS FULL | EMP_PAT | 1 | 46 | 3 (0)| 00:00:01 | 2 | 2 |
-------------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------
2 - filter("DEPTNO"=20)
14 rows selected.
SQL> explain plan for select empno,ename,sal,deptno from emp_pat where sal<=3000;
Explained.
SQL> select * from table(dbms_xplan.display());
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Plan hash value: 2273502597
----------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Pstart| Pstop |
----------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | 46 | 4 (0)| 00:00:01 | | |
| 1 | PARTITION LIST ALL| | 1 | 46 | 4 (0)| 00:00:01 | 1 | 3 |
|* 2 | TABLE ACCESS FULL| EMP_PAT | 1 | 46 | 4 (0)| 00:00:01 | 1 | 3 |
----------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------
2 - filter("SAL"<=3000)
14 rows selected.
List Partition without (default )
*********************
SQL> drop table emp_pat;
Table dropped.
SQL> create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
2 mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
3 PARTITION BY LIST(deptno)
4 (Partition p1 values (10),
5 partition p2 values (20))
6 /
Table created.
SQL>
SQL> SELECT TABLE_NAME, PARTITION_NAME, HIGH_VALUE
2 FROM USER_TAB_PARTITIONS
3 WHERE TABLE_NAME='EMP_PAT'
4 ORDER BY PARTITION_NAME
5 /
TABLE_NAME PARTITION_NAME HIGH_VALUE
------------------------------ ------------------------------ --------------------------------------------------------------------------------
EMP_PAT P1 10
EMP_PAT P2 20
SQL>
SQL> insert into emp_pat select * from emp;
insert into emp_pat select * from emp
*
ERROR at line 1:
ORA-14400: inserted partition key does not map to any partition
HASH Partitioning
*******************
SQL> create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
2 mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
3 PARTITION BY HASH(deptno)
4 Partitions 4;
Table created.
SQL> insert into emp_pat select * from emp;
14 rows created.
SQL> SELECT TABLE_NAME, PARTITION_NAME, HIGH_VALUE
2 FROM USER_TAB_PARTITIONS
3 WHERE TABLE_NAME='EMP_PAT'
4 ORDER BY PARTITION_NAME
5 /
TABLE_NAME PARTITION_NAME HIGH_VALUE
------------------------------ ------------------------------ --------------------------------------------------------------------------------
EMP_PAT SYS_P22
EMP_PAT SYS_P23
EMP_PAT SYS_P24
EMP_PAT SYS_P25
SQL> select * from emp_pat partition (SYS_P22);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30
7900 JAMES CLERK 7698 03-DEC-81 950 30
6 rows selected.
SQL> select * from emp_pat partition (SYS_P23);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7782 CLARK MANAGER 7839 09-JUN-81 2450 10
7839 KING PRESIDENT 17-NOV-81 5000 10
7934 MILLER CLERK 7782 23-JAN-82 1300 10
SQL> select * from emp_pat partition (SYS_P24);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7369 SMITH CLERK 7902 17-DEC-80 800 20
7566 JONES MANAGER 7839 02-APR-81 2975 20
7788 SCOTT ANALYST 7566 09-DEC-82 3000 20
7876 ADAMS CLERK 7788 12-JAN-83 1100 20
7902 FORD ANALYST 7566 03-DEC-81 3000 20
SQL> select * from emp_pat partition (SYS_P25);
no rows selected
SQL> explain plan for select * from emp_pat where sal>100;
Explained.
SQL> select * from table(dbms_xplan.display());
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Plan hash value: 1594423551
----------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Pstart| Pstop |
----------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 14 | 1218 | 6 (0)| 00:00:01 | | |
| 1 | PARTITION HASH ALL| | 14 | 1218 | 6 (0)| 00:00:01 | 1 | 4 |
|* 2 | TABLE ACCESS FULL| EMP_PAT | 14 | 1218 | 6 (0)| 00:00:01 | 1 | 4 |
----------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------
2 - filter("SAL">100)
Note
-----
- dynamic sampling used for this statement (level=2)
18 rows selected.
SQL>
SQL>
SQL> explain plan for select sal,empno,ename from emp_pat where deptno=10;
Explained.
SQL> select * from table(dbms_xplan.display());
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Plan hash value: 3260685292
-------------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Pstart| Pstop |
-------------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 3 | 138 | 3 (0)| 00:00:01 | | |
| 1 | PARTITION HASH SINGLE| | 3 | 138 | 3 (0)| 00:00:01 | 2 | 2 |
|* 2 | TABLE ACCESS FULL | EMP_PAT | 3 | 138 | 3 (0)| 00:00:01 | 2 | 2 |
-------------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------
2 - filter("DEPTNO"=10)
Note
-----
- dynamic sampling used for this statement (level=2)
18 rows selected.
Hash Partitioning Tables
Composite Partitioning Tables
range partition
***************
create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
partition by range(deptno) (partition p1 values less than(10),
partition p2 values less than (20),
partition p3 values less than (30),
partition p4 values less than (maxvalue))
insert into emp_pat select * from emp;
SQL> explain plan for select * from emp_pat where deptno=40;
Explained.
SQL> select * from table (dbms_xplan.display());
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Plan hash value: 253299801
--------------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Pstart| Pstop |
--------------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | 87 | 3 (0)| 00:00:01 | | |
| 1 | PARTITION RANGE SINGLE| | 1 | 87 | 3 (0)| 00:00:01 | 4 | 4 |
|* 2 | TABLE ACCESS FULL | EMP_PAT | 1 | 87 | 3 (0)| 00:00:01 | 4 | 4 |
--------------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------
2 - filter("DEPTNO"=40)
Note
-----
- dynamic sampling used for this statement (level=2)
18 rows selected.
SQL> explain plan for select * from emp_pat where sal<=1050;
Explained.
SQL> select * from table (dbms_xplan.display());
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Plan hash value: 3695347441
-----------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Pstart| Pstop |
-----------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 2 | 174 | 6 (0)| 00:00:01 | | |
| 1 | PARTITION RANGE ALL| | 2 | 174 | 6 (0)| 00:00:01 | 1 | 4 |
|* 2 | TABLE ACCESS FULL | EMP_PAT | 2 | 174 | 6 (0)| 00:00:01 | 1 | 4 |
-----------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------
2 - filter("SAL"<=1050)
Note
-----
- dynamic sampling used for this statement (level=2)
18 rows selected.
SQL>
range partition without maxvalue
********************************
SQL> drop table emp_pat;
Table dropped.
SQL> create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
2 mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
3 partition by range(deptno) (partition p1 values less than(10),
4 partition p2 values less than (20),
5 partition p3 values less than (30))
6 /
Table created.
SQL> insert into emp_pat select * from emp;
insert into emp_pat select * from emp
*
ERROR at line 1:
ORA-14400: inserted partition key does not map to any partition
or
SQL> create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
2 mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
3 partition by range(sal) (partition p1 values less than(1000),
4 partition p2 values less than (2000),
5 partition p3 values less than (4000))
6 /
Table created.
SQL> insert into emp_pat select * from emp;
insert into emp_pat select * from emp
*
ERROR at line 1:
ORA-14400: inserted partition key does not map to any partition --( one row is more than 5000 sal is there )
SQL> insert into emp_pat select * from emp where sal <=4000;
13 rows created.
SQL> select * from emp_pat partition (p1);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7369 SMITH CLERK 7902 17-DEC-80 800 20
7900 JAMES CLERK 7698 03-DEC-81 950 30
SQL> select * from emp_pat partition (p2);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30
7876 ADAMS CLERK 7788 12-JAN-83 1100 20
7934 MILLER CLERK 7782 23-JAN-82 1300 10
6 rows selected.
SQL> select * from emp_pat partition (p3);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7566 JONES MANAGER 7839 02-APR-81 2975 20
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30
7782 CLARK MANAGER 7839 09-JUN-81 2450 10
7788 SCOTT ANALYST 7566 09-DEC-82 3000 20
7902 FORD ANALYST 7566 03-DEC-81 3000 20
SQL> SELECT TABLE_NAME, PARTITION_NAME, HIGH_VALUE
2 FROM USER_TAB_PARTITIONS
3 WHERE TABLE_NAME='EMP_PAT'
4 ORDER BY PARTITION_NAME;
TABLE_NAME PARTITION_NAME HIGH_VALUE
------------------------------ ------------------------------ -------------------------
EMP_PAT P1 1000
EMP_PAT P2 2000
EMP_PAT P3 4000
range partition with Interval
********************************
SQL> create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
2 mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
3 PARTITION BY RANGE(hiredate)
4 INTERVAL(NUMTOYMINTERVAL(1,'YEAR'))
5 (
6 PARTITION p1 VALUES LESS THAN (TO_DATE('01-12-1980', 'DD-MM-YYYY')),
7 PARTITION p2 VALUES LESS THAN (TO_DATE('1-12-1981', 'DD-MM-YYYY')) ,
8 PARTITION p3 VALUES LESS THAN (TO_DATE('1-12-1982', 'DD-MM-YYYY'))
9 )
10 /
Table created.
SQL> insert into emp_pat select * from emp where hiredate<='03-DEC-82';
12 rows created.
SQL> SELECT num_rows, TABLE_NAME, PARTITION_NAME, HIGH_VALUE
2 FROM USER_TAB_PARTITIONS
3 WHERE TABLE_NAME='EMP_PAT'
4 ORDER BY PARTITION_NAME
5 /
NUM_ROWS TABLE_NAME PARTITION_NAME HIGH_VALUE
---------- ------------------------------ ------------------------------ --------------------------------------------------------------------------------
EMP_PAT P1 TO_DATE(' 1980-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA'
EMP_PAT P2 TO_DATE(' 1981-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA'
EMP_PAT P3 TO_DATE(' 1982-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA'
SQL> delete from emp_pat;
12 rows deleted.
SQL> commit;
Commit complete.
SQL> insert into emp_pat select * from emp;
14 rows created.
SQL> SELECT num_rows, TABLE_NAME, PARTITION_NAME, HIGH_VALUE
2 FROM USER_TAB_PARTITIONS
3 WHERE TABLE_NAME='EMP_PAT'
4 /
NUM_ROWS TABLE_NAME PARTITION_NAME HIGH_VALUE
---------- ------------------------------ ------------------------------ --------------------------------------------------------------------------------
EMP_PAT P1 TO_DATE(' 1980-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA'
EMP_PAT P2 TO_DATE(' 1981-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA'
EMP_PAT P3 TO_DATE(' 1982-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA'
EMP_PAT SYS_P21 TO_DATE(' 1983-12-01 00:00:00', 'SYYYY-MM-DD HH24:MI:SS', 'NLS_CALENDAR=GREGORIA'
List Partition
****************
SQL> create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
2 mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
3 PARTITION BY LIST(deptno)
4 (Partition p1 values (10),
5 partition p2 values (20,30),
6 partition p3 values (default))
7 /
Table created.
SQL> create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
2 mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
3 PARTITION BY LIST(deptno)
4 (Partition p1 values (10),
5 partition p2 values (20,30),
6 partition p3 values (default))
7 /
Table created.
SQL> insert into emp_pat select * from emp;
14 rows created.
SQL> SELECT num_rows, TABLE_NAME, PARTITION_NAME, HIGH_VALUE
2 FROM USER_TAB_PARTITIONS
3 WHERE TABLE_NAME='EMP_PAT'
4 ORDER BY PARTITION_NAME;
TABLE_NAME PARTITION_NAME HIGH_VALUE
------------------------------ ------------------------------ --------------------------------------------------------------------------------
EMP_PAT P1 10
EMP_PAT P2 20, 30
EMP_PAT P3 default
SQL> select * from emp_pat partition (p3);
no rows selected
SQL> select * from emp_pat partition (p2);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7369 SMITH CLERK 7902 17-DEC-80 800 20
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30
7566 JONES MANAGER 7839 02-APR-81 2975 20
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30
7788 SCOTT ANALYST 7566 09-DEC-82 3000 20
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30
7876 ADAMS CLERK 7788 12-JAN-83 1100 20
7900 JAMES CLERK 7698 03-DEC-81 950 30
7902 FORD ANALYST 7566 03-DEC-81 3000 20
11 rows selected.
SQL> select * from emp_pat partition (p1);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7782 CLARK MANAGER 7839 09-JUN-81 2450 10
7839 KING PRESIDENT 17-NOV-81 5000 10
7934 MILLER CLERK 7782 23-JAN-82 1300 10
SQL> explain plan for select empno,ename,sal,deptno from emp_pat where deptno=20;
Explained.
SQL> select * from table(dbms_xplan.display());
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Plan hash value: 3226506680
-------------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Pstart| Pstop |
-------------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | 46 | 3 (0)| 00:00:01 | | |
| 1 | PARTITION LIST SINGLE| | 1 | 46 | 3 (0)| 00:00:01 | KEY | KEY |
|* 2 | TABLE ACCESS FULL | EMP_PAT | 1 | 46 | 3 (0)| 00:00:01 | 2 | 2 |
-------------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------
2 - filter("DEPTNO"=20)
14 rows selected.
SQL> explain plan for select empno,ename,sal,deptno from emp_pat where sal<=3000;
Explained.
SQL> select * from table(dbms_xplan.display());
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Plan hash value: 2273502597
----------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Pstart| Pstop |
----------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 1 | 46 | 4 (0)| 00:00:01 | | |
| 1 | PARTITION LIST ALL| | 1 | 46 | 4 (0)| 00:00:01 | 1 | 3 |
|* 2 | TABLE ACCESS FULL| EMP_PAT | 1 | 46 | 4 (0)| 00:00:01 | 1 | 3 |
----------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------
2 - filter("SAL"<=3000)
14 rows selected.
List Partition without (default )
*********************
SQL> drop table emp_pat;
Table dropped.
SQL> create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
2 mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
3 PARTITION BY LIST(deptno)
4 (Partition p1 values (10),
5 partition p2 values (20))
6 /
Table created.
SQL>
SQL> SELECT TABLE_NAME, PARTITION_NAME, HIGH_VALUE
2 FROM USER_TAB_PARTITIONS
3 WHERE TABLE_NAME='EMP_PAT'
4 ORDER BY PARTITION_NAME
5 /
TABLE_NAME PARTITION_NAME HIGH_VALUE
------------------------------ ------------------------------ --------------------------------------------------------------------------------
EMP_PAT P1 10
EMP_PAT P2 20
SQL>
SQL> insert into emp_pat select * from emp;
insert into emp_pat select * from emp
*
ERROR at line 1:
ORA-14400: inserted partition key does not map to any partition
HASH Partitioning
*******************
SQL> create table emp_pat (empno number(4) not null,ename varchar2(10),job varchar2(9),
2 mgr number(4),hiredate date,sal number(7,2) ,comm number(7,2),deptno number(2))
3 PARTITION BY HASH(deptno)
4 Partitions 4;
Table created.
SQL> insert into emp_pat select * from emp;
14 rows created.
SQL> SELECT TABLE_NAME, PARTITION_NAME, HIGH_VALUE
2 FROM USER_TAB_PARTITIONS
3 WHERE TABLE_NAME='EMP_PAT'
4 ORDER BY PARTITION_NAME
5 /
TABLE_NAME PARTITION_NAME HIGH_VALUE
------------------------------ ------------------------------ --------------------------------------------------------------------------------
EMP_PAT SYS_P22
EMP_PAT SYS_P23
EMP_PAT SYS_P24
EMP_PAT SYS_P25
SQL> select * from emp_pat partition (SYS_P22);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30
7900 JAMES CLERK 7698 03-DEC-81 950 30
6 rows selected.
SQL> select * from emp_pat partition (SYS_P23);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7782 CLARK MANAGER 7839 09-JUN-81 2450 10
7839 KING PRESIDENT 17-NOV-81 5000 10
7934 MILLER CLERK 7782 23-JAN-82 1300 10
SQL> select * from emp_pat partition (SYS_P24);
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7369 SMITH CLERK 7902 17-DEC-80 800 20
7566 JONES MANAGER 7839 02-APR-81 2975 20
7788 SCOTT ANALYST 7566 09-DEC-82 3000 20
7876 ADAMS CLERK 7788 12-JAN-83 1100 20
7902 FORD ANALYST 7566 03-DEC-81 3000 20
SQL> select * from emp_pat partition (SYS_P25);
no rows selected
SQL> explain plan for select * from emp_pat where sal>100;
Explained.
SQL> select * from table(dbms_xplan.display());
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Plan hash value: 1594423551
----------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Pstart| Pstop |
----------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 14 | 1218 | 6 (0)| 00:00:01 | | |
| 1 | PARTITION HASH ALL| | 14 | 1218 | 6 (0)| 00:00:01 | 1 | 4 |
|* 2 | TABLE ACCESS FULL| EMP_PAT | 14 | 1218 | 6 (0)| 00:00:01 | 1 | 4 |
----------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------
2 - filter("SAL">100)
Note
-----
- dynamic sampling used for this statement (level=2)
18 rows selected.
SQL>
SQL>
SQL> explain plan for select sal,empno,ename from emp_pat where deptno=10;
Explained.
SQL> select * from table(dbms_xplan.display());
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Plan hash value: 3260685292
-------------------------------------------------------------------------------------------------
| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time | Pstart| Pstop |
-------------------------------------------------------------------------------------------------
| 0 | SELECT STATEMENT | | 3 | 138 | 3 (0)| 00:00:01 | | |
| 1 | PARTITION HASH SINGLE| | 3 | 138 | 3 (0)| 00:00:01 | 2 | 2 |
|* 2 | TABLE ACCESS FULL | EMP_PAT | 3 | 138 | 3 (0)| 00:00:01 | 2 | 2 |
-------------------------------------------------------------------------------------------------
Predicate Information (identified by operation id):
PLAN_TABLE_OUTPUT
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
---------------------------------------------------
2 - filter("DEPTNO"=10)
Note
-----
- dynamic sampling used for this statement (level=2)
18 rows selected.
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