DBA_SQL_PLAN_BASELINES displays information about the SQL plan baselines currently created for specific SQL statements.
| Column | Datatype | NULL | Description | 
|---|---|---|---|
| SIGNATURE | NUMBER | NOT NULL | Unique SQL identifier generated from normalized SQL text | 
| SQL_HANDLE | VARCHAR2(30) | NOT NULL | Unique SQL identifier in string form as a search key | 
| SQL_TEXT | CLOB | NOT NULL | Un-normalized SQL text | 
| PLAN_NAME | VARCHAR2(30) | NOT NULL | Unique plan identifier in string form as a search key | 
| CREATOR | VARCHAR2(30) | User who created the plan baseline | |
| ORIGIN | VARCHAR2(14) | How the plan baseline was created: 
 | |
| PARSING_SCHEMA_NAME | VARCHAR2(30) | Name of the parsing schema | |
| DESCRIPTION | VARCHAR2(500) | Text description provided for the plan baseline | |
| VERSION | VARCHAR2(64) | Database version at the time of plan baseline creation | |
| CREATED | TIMESTAMP(6) | NOT NULL | Timestamp when the plan baseline was created | 
| LAST_MODIFIED | TIMESTAMP(6) | Timestamp when the plan baseline was last modified | |
| LAST_EXECUTED | TIMESTAMP(6) | Timestamp when the plan baseline was last executed | |
| LAST_VERIFIED | TIMESTAMP(6) | Timestamp when the plan baseline was last verified | |
| ENABLED | VARCHAR2(3) | Indicates whether the plan baseline is enabled ( YES) or disabled (NO) | |
| ACCEPTED | VARCHAR2(3) | Indicates whether the plan baseline is accepted ( YES) or not (NO) | |
| FIXED | VARCHAR2(3) | Indicates whether the plan baseline is fixed ( YES) or not (NO) | |
| AUTOPURGE | VARCHAR2(3) | Indicates whether the plan baseline is auto-purged ( YES) or not (NO) | |
| OPTIMIZER_COST | NUMBER | Optimizer cost at the time the plan baseline was created | |
| MODULE | VARCHAR2(48) | Application module name | |
| ACTION | VARCHAR2(32) | Application action | |
| EXECUTIONS | NUMBER | Number of executions at the time the plan baseline was created | |
| ELAPSED_TIME | NUMBER | Total elapsed time at the time the plan baseline was created | |
| CPU_TIME | NUMBER | Total CPU time at the time the plan baseline was created | |
| BUFFER_GETS | NUMBER | Total buffer gets at the time the plan baseline was created | |
| DISK_READS | NUMBER | Total disk reads at the time the plan baseline was created | |
| DIRECT_WRITES | NUMBER | Total direct writes at the time the plan baseline was created | |
| ROWS_PROCESSED | NUMBER | Total rows processed at the time the plan baseline was created | |
| FETCHES | NUMBER | Total number of fetches at the time the plan baseline was created | |
| END_OF_FETCH_COUNT | NUMBER | Total number of full fetches at the time the plan baseline was created | 
See Also:
The SQL Plan Management chapter in Oracle Database Performance Tuning Guide
The DBMS_SQLTUNE package in Oracle Database PL/SQL Packages and Types Reference