CREATE[UNIQUE][CLUSTERED|NONCLUSTERED]INDEXindex_nameON(column_name[ASC|DESC][,...n])[WITH<backward_compatible_index_option>[,...n]][ON{filegroup_name|"default"}]::={[database_name.[owner_name].|owner_name.]table_or_view_name}<backward_compatible_index_option>::={PAD_INDEX|FILLFACTOR...
DROP_EXISTING = ON| OFF 已经存在索引则删除,没有存在则新建 实例:创建唯一索引 CREATEUNIQUEINDEX index_nameontable_name (column_name) 创建全文索引-使用SSMS# 创建全文索引-使用T-SQL# CREATEFULLTEXT INDEXONtable_name KEY INDEX index_name 查看索引# 查看索引-使用SSMS# 查看索引-使用T-SQL# 查看指定表...
不加这两个关键字,默认为非聚集、非唯一索引。 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...
SQL 复制 CREATE UNIQUE INDEX index1 ON schema1.table1 (column1 DESC, column2 ASC, column3 DESC); 主要方案: 从Azure SQL 数据库和 Azure SQL 托管实例中的 SQL Server 2016(13.x)开始,可以在列存储索引上使用非聚集索引来提高数据仓库查询性能。 有关详细信息,请参阅 列存储索引 - 数据仓库。
Syntax for SQL Server, Azure SQL Database, and Azure SQL Managed Instance. syntaxsql Kopija ALTER INDEX { index_name | ALL } ON { REBUILD { [ PARTITION = ALL [ WITH ( <rebuild_index_option> [ , ...n ] ) ] ] | [ PARTITION = partition_number [ WITH ( <single_partition_rebui...
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...
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...
Use SQL Server Management Studio In Object Explorer, expand the database that contains the table on which you want to rebuild an index online. Expand theTablesfolder. Expand the table on which you want to rebuild an index online. Expand theIndexesfolder. ...
On multiprocessor computers that are running SQL Server 2016 (13.x) and later versions, index operations can use parallelism to perform the scan and sort operations associated with the index statement. You can use the MAXDOP i...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) This article describes how to enable data compression on an existing table or index in SQL Server by using SQL Server Management Studio or Transact-SQL. To enable data ...