适用于 SQL Server、Azure SQL 数据库和 Azure SQL 托管实例的语法syntaxsql 复制 CREATE [ UNIQUE ] [ CLUSTERED | NONCLUSTERED ] INDEX index_name ON ( column [ ASC | DESC ] [ ,...n ] ) [ INCLUDE ( column_name [ ,...n ] ) ] [ WHERE <filter_predicate> ] [ WITH ( <relational...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) SQL database in Microsoft FabricConvert a rowstore table to a clustered columnstore index, or create a nonclustered columnstore index. Use a columnstore index to efficiently ...
Create Relational Index CREATE [ UNIQUE ] [ CLUSTERED | NONCLUSTERED ] INDEX index_name ON ( column [ ASC | DESC ] [ ,...n ] ) [ INCLUDE ( column_name [ ,...n ] ) ] [ WITH ( <relational_index_option> [ ,...n ] ) ] [ ON { partition_scheme_name ( column_name ) |...
CREATE INDEX index_name on table_name (column1, column2) 隐式索引(Implicit Indexes)# 当创建primary key constraints and unique constraints.时会自动创建隐士索引 全文索引# 一种特殊类型的基于标记的功能性索引,由Microsoft SQL Server全文引擎生成和维护。用于帮助在字符串数据中搜索复杂的词。这种索引的结构...
(1)使用SQL Server Management Studio创建数据库表使用SQL Server Management Studio创建数据库表的步骤如下:1. 打开SQL Server Management Studio,如图2所示。图2 SQL Server Management Studio2. 选择需要创建表的数据库,展开文件夹,选择“表”,单击鼠标右键,选择“新建表”,如图3所示。
To see which indexes the query optimizer uses for a specific query, in SQL Server Management Studio, on the Query menu, select Include Actual Execution Plan.Do not always equate index usage with good performance, and good performance with efficient index use. If using an index always help...
AlterServerConfigurationStatement AlterServerRoleStatement AlterServiceMasterKeyOption AlterServiceMasterKeyStatement AlterServiceStatement AlterSymmetricKeyStatement AlterTableAddTableElementStatement AlterTableAlterColumnOption AlterTableAlterColumnStatement AlterTableAlterIndexState...
Applies to: SQL Server 2012 (11.x) and later versions, and Azure SQL DatabaseSpecifies that the index is rebuilt using the same columns, index type, uniqueness attribute, and sort order. This clause is equivalent to DBCC DBREINDEX. REBUILD enables a disabled index. Rebuilding a clustered ...
Microsoft SQL Server is a relational database management system developed by Microsoft. Connect to SQL Server to manage data. You can perform various actions such as create, update, get, and delete on rows in a table.This connector is available in the following products and regions:...
create view Department_View as select Name from [HumanResources].[Department] go select * from Department_View order by Name Code This method is the best way to sort data rows of an SQL View object using Order By clause on an SQL Server database ...