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. Ex
(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...
Hello, 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? Thanks! -Aditya...
Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance This article describes how to create indexes on a view. The first index created on a view must be a unique clustered index. After the unique clustered index has been created, you can create more nonclustered indexes. ...
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...
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_predica...
Sybase Adaptive Server Enterprise 的 CREATE INDEX 语句比 Adaptive Server Anywhere 的复杂。虽然在 Adaptive Server Anywhere 中允许使用 Adaptive Server Enterprise 语法,但一些子句和关键字会被忽略。 Adaptive Server Enterprise 11.5 的完整语法如下: CREATE [ UNIQUE ] [ CLUSTERED | NONCLUSTERED ] ...
Specifies the non-key columns to be added to the leaf level of the nonclustered index. The nonclustered index can be unique or non-unique. Column names cannot be repeated in the INCLUDE list and cannot be used simultaneously as both key and non-key columns. Nonclustered indexes always conta...
Besides improving query performance, a clustered index can be rebuilt or reorganized on demand to control table fragmentation. A clustered index can also be created on a view. (Clustered indexes are defined in the article Clustered and nonclustered indexes.)...