本站中文解释
Oracle视图DBA_ADVISOR_SQLA_TABLES用于存放SQL Advisors的表统计信息。它提供了表结构(比如列数,索引等),表空间信息,以及表空间名称等内容。SQL Advisor利用这些信息,帮助DBA解决在系统性能上出现的问题。
使用方法:
1. 首先,请使用Oracle Data Dictionary查询视图DBA_ADVISOR_SQLA_TABLES的详细信息;
2. 使用下面的语句查询所有的表结构:
SELECT * FROM DBA_ADVISOR_SQLA_TABLES;
3. 根据表结构,使用OracleEvaluator来评估表的性能;
4. 根据评估的结果,分析出某个表的性能建议;
5. 根据建议,使用SQL语句做出调整,进一步提升表的性能。
官方英文解释
DBA_ADVISOR_SQLA_TABLES
displays cross references between the workload statements and the tables referenced in the statement.
Related View
USER_ADVISOR_SQLA_TABLES
displays cross references between the workload statements and the tables referenced in the statement for the current user. This view does not display the OWNER
column.
Column | Datatype | NULL | Description |
---|---|---|---|
|
|
Owner of the workload object |
|
|
|
Unique identifier of the task |
|
|
|
Name of the task |
|
|
|
SQL identifier of the parent cursor in the library cache |
|
|
|
Statement ID |
|
|
|
Owner of the table |
|
|
|
Table name |
See Also:
“USER_ADVISOR_SQLA_TABLES”