oracle 批量重建索引 createorreplaceprocedurep_rebuild_all_index (tablespace_nameinvarchar2) as sqltvarchar(200); begin foridxin(selectindex_name, tablespace_name, statusfromuser_indexeswheretablespace_name=tablespace_nameandstatus='VALID'andtemporary='N') loop begin sqlt :='alter index'||idx.ind...
This script determines whether an index is a good candidate for a rebuild or fora bitmap index. All indexes for a given schema or for a subset of sche
declare STR VARCHAR2(400); begin FOR TMP_IDX IN (SELECT TABLESPACE_NAME, OWNER, TABLE_NAME, INDEX_NAME from ALL_INDEXES WHERE OWNER = 'GCD' ORDER BY TABLESPACE_NAME, TABLE_NAME ) LOOP STR := 'ALTER INDEX ' || TMP_IDX.OWNER || '.' || TMP_IDX.INDEX_NAME || ' Rebuild'; EXECUT...
Symptoms When attempting to rebuild all indexes in the P6 schema using the resulting scripts from the following, select 'alter index '||owner||'.'||index_name ||' rebuild online nologging;' from dba_indexes where owner='ADMUSER'; The following error is thrown on all ADMUSER.SYS_%%%$$...
使用ANALYZE INDEX index_name VALIDATE STRUCTURE;命令来分析索引的结构。 查询索引的深度和碎片化情况,例如:SELECT index_name, bllevel FROM dba_indexes WHERE bllevel > 3;。 执行重建操作: 使用ALTER INDEX index_name REBUILD;命令来重建索引。如果需要在线重建,可以使用ALTER INDEX index_name REBUILD ONLINE;...
SELECT owner, index_name, table_name FROM all_indexes WHERE table_owner = '表的所有者' AND table_name = '表名'; 复制代码 将查询结果中的表名和索引名记录下来。 然后,在Oracle SQL Developer或者其他的SQL客户端中,使用以下语句来重建索引: ALTER INDEX 索引名 REBUILD; 复制代码 将上一步中记录的...
rebuild用的是“INDEX FAST FULL SCAN”, rebuild online用的是“TABLE ACCESS FULL”; 即rebuild index是扫描索引块,而rebuild index online是扫描全表的数据块. 删除索引 drop index index_sno; 1. 查看索引 查询all_indexes select index_name, index_type, tablespace_name, uniqueness ...
SELECTconcat(concat('ALTER INDEX ',INDEX_NAME),' REBUILD;')FROMall_indexesWHEREowner='INDEX_OWNER_NAME'--可选查询条件,注意,如果指定该条件,索引拥有者必须大写ANDtable_nameIN('TABLE_NAME1 ','TABLE_NAME2','...','TABLE_NAMEN')--注意,表名必须大写 ...
echo"Current DB is $db">>${LOG}echo"===">>${LOG}$ORACLE_HOME/bin/sqlplus-S/nolog @/users/robin/dba_scripts/custom/sql/rebuild_unbalanced_indices.sql>>${LOG}done;echo"End of rebuilding index for all instance at : `/bin/date`">>${LOG}#---# Check log file #---status=`grep ...
即rebuild index是扫描索引块,而rebuild index online是扫描全表的数据块. 删除索引 drop index index_sno; 查看索引 查询all_indexesselect index_name, index_type, tablespace_name, uniquenessfrom all_indexeswhere table_name = 'tablename';或者查询user_indexesselect a.* from user_indexes a ; ...