syntaxsql 复制 ALTER INDEX { index_name | ALL } ON { REBUILD { [ PARTITION = ALL [ WITH ( <rebuild_index_option> [ , ...n ] ) ] ] | [ PARTITION = partition_number [ WITH ( <single_partition_rebuild_index_option> [ , ...n ] ) ] ] } | DISABLE | REORGANIZE [ PARTITIO...
on 表名 (字段名1,字段名2 ...) 例:(为 "商品管理数据库"中“商品信息表”的“商品类型名”字段创建一个名为“IX_商品类型表_商品类型名”的非聚集唯一索引) use 商品管理数据库 go create unique nonclustered index IX_商品类型表_商品类型名 on 商品类型表(商品类型名) --查看索引-- exec sp_helpi...
] table_or_view_name } <backward_compatible_index_option> ::= { PAD_INDEX | FILLFACTOR = fillfactor | SORT_IN_TEMPDB | IGNORE_DUP_KEY | STATISTICS_NORECOMPUTE | DROP_EXISTING } Azure Synapse Analytics 和并行数据仓库的语法syntaxsql 复制 CREATE CLUSTERED COLUMNSTORE INDEX index_name ON [ ...
Azure SQL 数据库的语法。 syntaxsql DROPINDEX{<drop_relational_or_xml_or_spatial_index>[ , ...n ] }<drop_relational_or_xml_or_spatial_index>::=index_nameON::={database_name.schema_name.table_or_view_name|schema_name.table_or_view_name|table_or_view_name} Azure Synapse Analytics...
ON 指定要删除并重新生成现有索引,其必须具有相同名称作为参数 index_name。 OFF 指定不删除和重新生成现有的索引。 如果指定的索引名称已经存在,SQL Server 将显示一个错误。 ONLINE = {ON |OFF}:表示建立索引时是否允许正常访问,即是否对表进行锁定。默认为 OFF。 ON 它将强制表对于一般...
SQL コピー CREATE CLUSTERED COLUMNSTORE INDEX cci ON Sales.OrderLines WITH (MAXDOP = 2); 詳細については、「Server の構成: 並列処理の最大限度および並列インデックス操作の構成を参照してください。COMPRESSION_DELAY = 0 | delay [ MINUTES ]ディスク ベースのテーブルの場合は、delay によ...
Create a nonclustered index on a table or view SQL Copy CREATE INDEX index1 ON schema1.table1 (column1); Create a clustered index on a table and use a 3-part name for the table SQL Copy CREATE CLUSTERED INDEX index1 ON database1.schema1.table1 (column1); Create a non...
SQL on Azure Azure Arc Resources Reference Save Add to Collections Add to plan Share via Facebookx.comLinkedInEmail Print Article 02/26/2025 12 contributors Feedback In this article Online index structures Online index activities Source structure activities ...
On the Create tab, in the Queries group, click Query Design. On the Design tab for queries, in the Results group, click the arrow under View, and then click SQL View. Delete all the existing SQL from the query. (Access most likely just displays SELECT; before you...
SQL>createviewv_testasselectempno,ename,salfromtest;Viewcreated. 2、rename表 SQL>rename testtotest1;Tablerenamed. 3、查看视图是否失效 SQL>select*fromv_test;select*fromv_test*ERROR at line1: ORA-04063:view"SCOTT.V_TEST" has errors 4、表名改回来 ...