] 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 [...
SQL基础语法—create index语句 1 create index语句介绍 create index语句用来在表中创建索引。索引的作用提高数据库查询的效率,这个作用对用户来说是透明的,其作用只是对MySQL引擎来说的。 Syntax:CREATE[UNIQUE|FULLTEXT|SPATIAL] INDEX index_name [index_type]ONtbl_name (index_col_name,...) [index_option]...
DROP INDEX (Transact-SQL) Genom att ta bort ett kolumnlagringsindex används standardsyntaxen DROP INDEX som B-trädindex använder. Om du tar bort ett grupperat columnstore-index konverteras columnstore-tabellen till en heap. Ta bort en rad från ett columnstore-index. TA BORT (Trans...
Syntax 引數 備註 叢集索引 顯示其他 24 個 適用於:SQL Server Azure SQL 資料庫 Azure SQL 受控執行個體Azure Synapse AnalyticsAnalytics Platform System (PDW) 在資料表或檢視上建立關聯式索引。 也稱為資料列存放區索引,因為它是叢集或非叢集的 B 型樹狀結構索引。 您可以在資料表中含有資料之前,先建...
SQL Server、Azure SQL 資料庫 和 Azure SQL 受控執行個體 的語法。syntaxsql 複製 ALTER INDEX { index_name | ALL } ON { REBUILD { [ PARTITION = ALL [ WITH ( <rebuild_index_option> [ , ...n ] ) ] ] | [ PARTITION = partition_number [ WITH ( <single_partition_rebuild_index_optio...
Syntax for SQL Server, Azure SQL Database, and Azure SQL Managed Instance. syntaxsql Copy ALTER INDEX { index_name | ALL } ON { REBUILD { [ PARTITION = ALL [ WITH ( <rebuild_index_option> [ , ...n ] ) ] ] | [ PARTITION = partition_number [ WITH ( <single_partition_rebuild...
syntaxsql Copie -- Syntax for SQL Server and Azure SQL Database ALTER INDEX { index_name | ALL } ON { REBUILD { [ PARTITION = ALL [ WITH ( <rebuild_index_option> [ ,...n ] ) ] ] | [ PARTITION = partition_number [ WITH ( <single_partition_rebuild_index_option> [ ,...n...
SQL Server 和 Azure SQL 数据库的语法: syntaxsql复制 -- Create a clustered columnstore index on disk-based table.CREATECLUSTEREDCOLUMNSTOREINDEXindex_nameON{database_name.schema_name.table_name|schema_name.table_name|table_name} [ORDER(column [ , ...n ] ) ] [WITH(<with_option>[ , ......
Transact-SQL 语法约定 语法 syntaxsql sys.dm_db_index_physical_stats( {database_id|NULL|0|DEFAULT} , {object_id|NULL|0|DEFAULT} , {index_id|NULL|0| -1|DEFAULT} , {partition_number|NULL|0|DEFAULT} , { mode |NULL|DEFAULT} )
This is an exception to the rule that the privilege set is the privileges that are held by the SQL authorization ID of the process. Syntax for CREATE INDEX CREATEUNIQUEWHERE NOT NULLINDEXindex-nameONtable-name(,column-namekey-expressionASCDESCRANDOM,BUSINESS_TIMEWITHOUT OVERLAPSWITH OVERLAPS)aux-...