ANALYZE TABLE emp VALIDATE STRUCTURE CASCADE; CASCADE 用来验证表或者cluster以及表或cluster上的相关索引信息的合法性 ,一般cascade会进行一个完整的验证合法性,需要消耗更多的资源 ANALYZE TABLE emp VALIDATE STRUCTURE CASCADE FAST; FAST 用来检测表上存在的损坏,而不用报告具体损坏的细节,你可以用fast选项确定是否...
Analyze validate structure 验证表、簇、索引的结构的完整性,使用cascade选项可以交叉验证表和索引的数据完整,online选项可以做到在线验证 Analyze list chained rows 收集表、簇上的Migrated and Chained Rows链式或迁移行信息 Analyze table compute statistics 收集表上的 empty_blocks、avg_space 空间使用信息 Analyze C...
SpecifyCASCADEif you want Oracle Database to validate the structure of the indexes associated with the table or cluster. If you use this clause when validating a table, then the database also validates the indexes defined on the table. If you use this clause when validating a cluster, then ...
ANALYZE TABLE customers VALIDATE STRUCTURE ONLINE; クラスタの分析: 例 次の文は、personnelクラスタ(「クラスタの作成: 例」で作成)、そのすべての表、クラスタ索引を含むすべての索引を分析します。 コピー ANALYZE CLUSTER personnel VALIDATE STRUCTURE CASCADE; 連鎖行のリスト: 例 次の文は、...
Analyze table validate structure cascade online is slow after applying the fix for unpublishedBug 4430244 - ORA-00600: INTERNAL ERROR CODE, ARGUMENTS: [KCBNEW_3], [0], [8 Changes After applying patch 4430244. Cause Sign In To view full details, sign in with your My Oracle Support account...
select 'ANALYZE TABLE '||u.table_name||' VALIDATE STRUCTURE CASCADE ;',u.TABLESPACE_NAME from user_tables u; 查询出当前表空间所用用户表。 执行语句: ANALYZE TABLE table_name VALIDATE STRUCTURE CASCADE ; 以下是分享信息: 对于使用CBO很有好处,可以使用更可靠的table信息,从而执行计划也可以更准确一些...
SQL> ANALYZE TABLE TEST COMPUTE STATISTICS FOR ALL INDEXES; 验证索引结构 SQL> ANALYZE INDEX IX_TEST_N1 VALIDATE STRUCTURE; Index analyzed. 验证表结构 SQL> ANALYZE TABLE TEST VALIDATE STRUCTURE CASCADE; Table analyzed. ANALYZE使用注意事项 When analyzing a table, the database skips all domain indexe...
VALIDATE STRUCTURE [CASCADE][INTO tablename] LIST CHAINED ROWS [INTOtablename] COMPUTE|ESTIMATE STATISTICSFOR TABLE COMPUTE|ESTIMATE STATISTICSFOR ALL COLUMNS COMPUTE|ESTIMATE STATISTICSFOR ALL INDEXED COLUMNS COMPUTE|ESTIMATE STATISTICSFOR COLUMNS [SIZE int] column [SIZE int] ...
SYS@anqing1(rac1)> select *fromdba_indexes where table_name='TT'; no rows selected SYS@anqing1(rac1)> create index idx_tt_id on tt(object_id); Index created. SYS@anqing1(rac1)> select index_name,table_namefromdba_indexes where table_name='TT'; ...
VALIDATE STRUCTURE [CASCADE][INTO tablename] LIST CHAINED ROWS [INTOtablename] COMPUTE|ESTIMATE STATISTICSFOR TABLE COMPUTE|ESTIMATE STATISTICSFOR ALL COLUMNS COMPUTE|ESTIMATE STATISTICSFOR ALL INDEXED COLUMNS COMPUTE|ESTIMATE STATISTICSFOR COLUMNS [SIZE int] column [SIZE int] ...