Using SQL Server Management Studio To create a nonclustered index by using the Table Designer In Object Explorer, expand the database that contains the table on which you want to create a nonclustered index. Expand theTablesfolder. Right-click the table on which you want to create a nonclust...
To create a nonclustered index, using: SQL Server Management Studio Transact-SQL Before You Begin Typical Implementations Nonclustered indexes are implemented in the following ways: UNIQUE constraints When you create a UNIQUE constraint, a unique nonclustered index is created to enforce a UNIQUE const...
(2) 单击任务板中的“Create an Index” 链接,出现如图8-3 所示的索引创建向导界面。也可以从“Tools ”菜单中选择“izards” 菜单项,则出现如图5-17 所示的选择SQL Server 向导对话框,再从树型目录中选择“Database”下的“Create Index Wizard”选项,也会出现如图8-3 所示的索引创建向导界面。 (3) 单击...
Include nonkey columns in a nonclustered index to avoid exceeding the current index size limitations of a maximum of 32 key columns and a maximum index key size of 1,700 bytes (16 key columns and 900 bytes prior to SQL Server 2016 (13.x)). The Database Engine doesn't consider nonkey...
I am moving my database from MS SQL server to MySQL. I want to create only NONCLUSTERED primary key and indexes in one of my tables. It's a small table and I don't want the keys to be clustered. How can I do it in MySql?
CREATE [ UNIQUE ] [ CLUSTERED | NONCLUSTERED ] INDEX index_name ON ( column_name [ ASC | DESC ] [ ,...n ] ) [ WITH <backward_compatible_index_option> [ ,...n ] ] [ ON { filegroup_name | "default" } ] ::= { [ database_name...
若要在默认文件组上创建索引,请使用"default"或[default]。 如果指定"default",则QUOTED_IDENTIFIER选项必须为ON当前会话。QUOTED_IDENTIFIER默认设置为ON。 有关详细信息,请参阅SET QUOTED_IDENTIFIER (Transact-SQL)。 CREATE [NONCLUSTERED] COLUMNSTORE INDEX ...
You change the collation of the column that the nonclustered index is created on. You re-create a nonclustered index on the column. In this scenario, you receive the following error message: Location: sobuild.c:3392 Expressio...
SQL Server、Azure SQL Database、Azure SQL 受控執行個體的語法syntaxsql 複製 CREATE [ UNIQUE ] [ CLUSTERED | NONCLUSTERED ] INDEX index_name ON ( column [ ASC | DESC ] [ ,...n ] ) [ INCLUDE ( column_name [ ,...n ] ) ] [ WHERE <filter_predicate> ] [ WITH ( <relational...
Transact-SQL 语法约定语法适用于 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>...