alter_index::= 図「alter_index.gif」の説明 (deallocate_unused_clause::=、allocate_extent_clause::=、shrink_clause::=、parallel_clause::=、physical_attributes_clause::=、logging_clause::=、rebuild_clause::=、alter_index_partitioning::=を参照) ...
partition_number 是可以引用变量的常量表达式。 其中包括用户定义类型变量或函数以及用户定义函数,但不能引用 Transact-SQL 语句。 partition_number 必须存在,否则,该语句将失败。 WITH ( <single_partition_rebuild_index_option> ) SORT_IN_TEMPDB、MAXDOPDATA_COMPRESSION 和XML_COMPRESSION 是在REBUILD 单个分区 (...
Performance issues while rebuilding very large indexes. The offline rebuilds of their index is relatively quick -finishes in 15 minutes. Issuing index rebuild ONLINE statement => finishes in about an hour. This behavior of ONLINE index rebuilds makes it a non-option for large tables as it just...
{ <partition_number> [ TO <partition_number> ] } [ , ...n ] ) ] | XML_COMPRESSION = { ON | OFF } [ ON PARTITIONS ( { <partition_number> [ TO <partition_number> ] } [ , ...n ] ) ] } <single_partition_rebuild_index_option> ::= { SORT_IN_TEMPDB = { ON | OFF } ...
PIECESIZE 値を変更する場合、索引はページ・セット再ビルド・ペンディング (PSRBD) 状況になることに注意してください。 索引スペース全体がアクセス不能になります。 その状況を解消するには、REBUILD INDEX または REORG TABLESPACE ユーティリティー を実行しなければなりません。
所以如果在执行rebuild index online前长事务,并且并发量比较大,则一旦执行alter index rebuild online,可能因为长事务阻塞,可能导致系统瞬间出现大量的锁,对于压力比较大的系统,这是一个不小的风险。这是需要迅速找出导致阻塞的会话kill掉,rebuild index online一旦执行,不可轻易中断,否则可能遇到ORA-08104。
The PIECESIZE clause can only be specified for non-partitioned indexes. Be aware that when you alter the PIECESIZE value, the index is placed into page set REBUILD-pending (PSRBD) status. The entire index space becomes inaccessible. You must run the REBUILD INDEX or the REORG TABLESPACE ...
Schema object privileges are granted on the parent index, not on individual index partitions or subpartitions. You must have tablespace quota to modify, rebuild, or split an index partition or to modify or rebuild an index subpartition. See Also: CREATE INDEX and Oracle9i Data Cartridge Deve...
<rebuild_option > ::= { DATA_COMPRESSION = { COLUMNSTORE | COLUMNSTORE_ARCHIVE } [ ON PARTITIONS ( {<partition_number> [ TO <partition_number>] } [ , ...n ] ) ] | XML_COMPRESSION = { ON | OFF } [ ON PARTITIONS ( {<partition_number> [ TO <partition_number>] } [ , ...n...
Hash partitioned tables do not support splitting, combination, addition, or deletion of partitions. Deleting, splitting, merging, clearing, and exchanging partitions will invalidate global indexes. The UPDATE GLOBAL INDEX clause can be used to update the indexes synchronously. ...