Note
This view is introduced since OceanBase Database V4.0.0.
Purpose
The DBA_SQL_PLAN_BASELINES view displays the SQL plan baselines in SQL Plan Management (SPM).
Columns
| Column | Type | Nullable? | Description |
|---|---|---|---|
| SIGNATURE | NUMBER | NO | The SQL unique identifier generated by the normalized SQL statement. |
| SQL_HANDLE | VARCHAR2(32) | NO | The unique SQL text. |
| SQL_TEXT | CLOB | NO | The unnormalized SQL text. |
| PLAN_NAME | VARCHAR2(128) | NO | The unique plan identifier in the text form. |
| CREATOR | VARCHAR2(128) | NO | The user who created the plan baseline. |
| ORIGIN | VARCHAR2(29) | NO | The way that the plan baseline was created. Valid values: |
| PARSING_SCHEMA_NAME | VARCHAR2(128) | NO | At present, this column is not supported and is NULL by default. |
| DESCRIPTION | VARCHAR2(500) | YES | The description of the plan baseline. |
| VERSION | VARCHAR2(256) | NO | The database version at the time when the plan baseline was created. |
| CREATED | TIMESTAMP(6) | NO | The time when the plan baseline was created. |
| LAST_MODIFIED | TIMESTAMP(6) | NO | The time when the plan baseline was modified the last time. |
| LAST_EXECUTED | NUMBER | NO | The time when the plan baseline was executed the last time. |
| LAST_VERIFIED | NUMBER | NO | The time when the plan baseline was verified the last time. |
| ENABLED | VARCHAR2(3) | NO | Indicates whether the plan baseline is enabled. Valid values: |
| ACCEPTED | VARCHAR2(3) | NO | Indicates whether the plan baseline is adopted. Valid values: |
| FIXED | VARCHAR2(3) | NO | Indicates whether the plan baseline is fixed. Valid values: |
| REPRODUCED | VARCHAR2(3) | NO | Indicates whether the plan baseline is reproducible. Valid values: |
| AUTOPURGE | VARCHAR2(3) | NO | Indicates whether the plan baseline is subject to automatic cleanup. Valid values: |
| ADAPTIVE | VARCHAR2(3) | NO | Indicates whether the plan baseline automatically captured by the SPM has been adapted. Valid values: |
| OPTIMIZER_COST | NUMBER | NO | The plan cost estimated by the optimizer when the plan baseline was created. |
| MODULE | VARCHAR2(64) | NO | At present, this column is not supported and is NULL by default. |
| ACTION | VARCHAR2(64) | NO | At present, this column is not supported and is NULL by default. |
| EXECUTIONS | NUMBER | NO | The number of times when the plan had been executed since the plan baseline was created. |
| ELAPSED_TIME | NUMBER | NO | The total time consumed for the plan since the plan baseline was created. |
| CPU_TIME | NUMBER | NO | The total CPU time consumed by the plan since the plan baseline was created. |
| BUFFER_GETS | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| DISK_READS | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| DIRECT_WRITES | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| ROWS_PROCESSED | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| FETCHES | NUMBER | NO | At present, this column is not supported and is NULL by default. |
| END_OF_FETCH_COUNT | NUMBER | NO | At present, this column is not supported and is NULL by default. |
Sample query
Query the plan baselines of SQL statements in the SPM of the current tenant.
obclient[SYS]> SELECT * FROM SYS.DBA_SQL_PLAN_BASELINES\G
The query result is as follows:
*************************** 1. row ***************************
SIGNATURE: 6055243608786114737
SQL_HANDLE: 11864626B019515747DD829035EF8426
SQL_TEXT: SELECT * FROM SYS.DBA_OB_SPM_EVO_RESULT
PLAN_NAME: 6055243608786114737
CREATOR: SYS
ORIGIN: AUTO-CAPTURE
PARSING_SCHEMA_NAME: NULL
DESCRIPTION: NULL
VERSION: 4.3.5.3
CREATED: 28-APR-25 11.10.19.053809 AM
LAST_MODIFIED: 28-APR-25 11.10.19.053809 AM
LAST_EXECUTED: 1745809819052935
LAST_VERIFIED: 1745809819052935
ENABLED: YES
ACCEPTED: YES
FIXED: NO
REPRODUCED: YES
AUTOPURGE: YES
ADAPTIVE: NO
OPTIMIZER_COST: -1
MODULE: NULL
ACTION: NULL
EXECUTIONS: 1
ELAPSED_TIME: 9261
CPU_TIME: 2264
BUFFER_GETS: NULL
DISK_READS: NULL
DIRECT_WRITES: NULL
ROWS_PROCESSED: NULL
FETCHES: NULL
END_OF_FETCH_COUNT: NULL
*************************** 2. row ***************************
SIGNATURE: 17474685351365979263
SQL_HANDLE: 2943FEB983545F127755C2B040B7CB84
SQL_TEXT: SELECT * FROM spm_demo
WHERE create_date > SYSDATE - 1
PLAN_NAME: 17474685351365979263
CREATOR: SYS
ORIGIN: AUTO-CAPTURE
PARSING_SCHEMA_NAME: NULL
DESCRIPTION: NULL
VERSION: 4.3.5.3
CREATED: 28-APR-25 11.09.39.167801 AM
LAST_MODIFIED: 28-APR-25 11.09.39.167801 AM
LAST_EXECUTED: 1745809779166588
LAST_VERIFIED: 1745809779166588
ENABLED: YES
ACCEPTED: YES
FIXED: NO
REPRODUCED: YES
AUTOPURGE: YES
ADAPTIVE: NO
OPTIMIZER_COST: -1
MODULE: NULL
ACTION: NULL
EXECUTIONS: 1
ELAPSED_TIME: 349357
CPU_TIME: 341264
BUFFER_GETS: NULL
DISK_READS: NULL
DIRECT_WRITES: NULL
ROWS_PROCESSED: NULL
FETCHES: NULL
END_OF_FETCH_COUNT: NULL
*************************** 3. row ***************************
SIGNATURE: 8949968430243350035
SQL_HANDLE: 8C941B5BD7CCC34C7863313721B1D9C3
SQL_TEXT: SELECT * FROM SYS.DBA_SQL_MANAGEMENT_CONFIG
PLAN_NAME: 8949968430243350035
CREATOR: SYS
ORIGIN: AUTO-CAPTURE
PARSING_SCHEMA_NAME: NULL
DESCRIPTION: NULL
VERSION: 4.3.5.3
CREATED: 28-APR-25 11.13.20.900605 AM
LAST_MODIFIED: 28-APR-25 11.13.20.900605 AM
LAST_EXECUTED: 1745810000900179
LAST_VERIFIED: 1745810000900179
ENABLED: YES
ACCEPTED: YES
FIXED: NO
REPRODUCED: YES
AUTOPURGE: YES
ADAPTIVE: NO
OPTIMIZER_COST: -1
MODULE: NULL
ACTION: NULL
EXECUTIONS: 1
ELAPSED_TIME: 16355
CPU_TIME: 575
BUFFER_GETS: NULL
DISK_READS: NULL
DIRECT_WRITES: NULL
ROWS_PROCESSED: NULL
FETCHES: NULL
END_OF_FETCH_COUNT: NULL
*************************** 4. row ***************************
SIGNATURE: 8445910474067761495
SQL_HANDLE: 9400CF67EC02C0E2CA1D5A86C46D3D2B
SQL_TEXT: INSERT INTO spm_demo
SELECT 100002+LEVEL, 'item_'||(100002+LEVEL), SYSDATE
FROM DUAL CONNECT BY LEVEL <= 100000
PLAN_NAME: 8445910474067761495
CREATOR: SYS
ORIGIN: AUTO-CAPTURE
PARSING_SCHEMA_NAME: NULL
DESCRIPTION: NULL
VERSION: 4.3.5.3
CREATED: 28-APR-25 11.09.22.289008 AM
LAST_MODIFIED: 28-APR-25 11.09.22.289008 AM
LAST_EXECUTED: 1745809762288159
LAST_VERIFIED: 1745809762288159
ENABLED: YES
ACCEPTED: YES
FIXED: NO
REPRODUCED: YES
AUTOPURGE: YES
ADAPTIVE: NO
OPTIMIZER_COST: -1
MODULE: NULL
ACTION: NULL
EXECUTIONS: 1
ELAPSED_TIME: 1151213
CPU_TIME: 1146061
BUFFER_GETS: NULL
DISK_READS: NULL
DIRECT_WRITES: NULL
ROWS_PROCESSED: NULL
FETCHES: NULL
END_OF_FETCH_COUNT: NULL
*************************** 5. row ***************************
SIGNATURE: 13594561463287439666
SQL_HANDLE: EC1A0D99610183DBBD97846555275708
SQL_TEXT: select sql_id query_sql from gv$ob_sql_audit where query_sql like 'SELECT /*+ INDEX(spm_demo idx_spm_demo_date) */ * FROM spm_demo WHERE create_date > SYSDATE - 1'
PLAN_NAME: 13594561463287439666
CREATOR: SYS
ORIGIN: MANUAL-LOAD
PARSING_SCHEMA_NAME: NULL
DESCRIPTION: NULL
VERSION: 4.3.5.3
CREATED: 28-APR-25 11.06.23.369212 AM
LAST_MODIFIED: 28-APR-25 11.09.05.791173 AM
LAST_EXECUTED: 1745809597722925
LAST_VERIFIED: 1745809597722925
ENABLED: YES
ACCEPTED: YES
FIXED: YES
REPRODUCED: YES
AUTOPURGE: YES
ADAPTIVE: NO
OPTIMIZER_COST: -1
MODULE: NULL
ACTION: NULL
EXECUTIONS: 3
ELAPSED_TIME: 161018
CPU_TIME: 149982
BUFFER_GETS: NULL
DISK_READS: NULL
DIRECT_WRITES: NULL
ROWS_PROCESSED: NULL
FETCHES: NULL
END_OF_FETCH_COUNT: NULL
5 rows in set
References
View the configuration parameters in the SPM of the current tenant: DBA_SQL_MANAGEMENT_CONFIG
For more information about the SPM evolution mechanism, see Execution plan management.