Below is an example of creating both a clustered and non-clustered index on a temp table.[cc lang=”sql”] CREATE TABLE #Users ( ID int IDENTITY(1,1), UserID int, UserName varchar(50) )INSERT INTO #Users ( UserI
SQL Copy CREATE UNIQUE INDEX index1 ON schema1.table1 (column1 DESC, column2 ASC, column3 DESC); Key scenario: Starting with SQL Server 2016 (13.x), in Azure SQL Database, and in Azure SQL Managed Instance, you can use a nonclustered index on a columnstore index to improve data...
( <index_option> [ ,... n ] ) ] [ ON { partition_scheme_name ( partition_column_name ) | filegroup | "default" } ] | [ FOREIGN KEY ] REFERENCES referenced_table_name [ ( ref_column ) ] [ ON DELETE { NO ACTION | CASCADE } ] [ ON UPDATE { NO ACTION } ] [ NOT FOR ...
( <index_option> [ , ...n ] ) [ ON { filegroup | "default" } ] ] | [ CHECK ( logical_expression ) ] [ , ...n ] } <computed_column_definition> ::= column_name AS computed_column_expression <table_constraint> ::= { { PRIMARY KEY | UNIQUE } [ CLUSTERED | NONCLUSTERED ]...
( <index_option> [ , ...n ] ) [ ON { filegroup | "default" } ] ] | [ CHECK ( logical_expression ) ] [ , ...n ] } <computed_column_definition> ::= column_name AS computed_column_expression <table_constraint> ::= { { PRIMARY KEY | UNIQUE } [ CLUSTERED | NONCLUSTERED ...
select * into #table from xyz智能推荐如何使用T-SQL语句创建数据库 使用T-SQL创建数据库 首先我们在C 盘根目录创建文件夹用来保存文件 打开SQL找到新建查询 在输入栏输入T-SQL语句即可 代码如下: CREATE DATABASE 数据库名 --创建数据库 ON PRIMARY ( <数据文件参数>[,…n][文件组参数] ) LOG ON ( <...
Create a Simple Table Using T-SQL We will start with a simple two column table with a PRIMARY KEY constraint on one of the columns. You can copy/paste the code into your query window or manually type it in. Hint: It’s always better to manually type the code found in these samples....
SQL Copy CREATE UNIQUE INDEX index1 ON schema1.table1 (column1 DESC, column2 ASC, column3 DESC); Key scenario: Starting with SQL Server 2016 (13.x), in Azure SQL Database, and in Azure SQL Managed Instance, you can use a nonclustered index on a columnstore index to improve data...
( <index_option> [ , ...n ] ) [ ON { filegroup | "default" } ] ] | [ CHECK ( logical_expression ) ] [ , ...n ] } <computed_column_definition> ::= column_name AS computed_column_expression <table_constraint> ::= { { PRIMARY KEY | UNIQUE } [ CLUSTERED | NONCLUSTERED ]...
( <index_option> [ , ...n ] ) [ ON { filegroup | "default" } ] ] | [ CHECK ( logical_expression ) ] [ , ...n ] } <computed_column_definition> ::= column_name AS computed_column_expression <table_constraint> ::= { { PRIMARY KEY | UNIQUE } [ CLUSTERED | NONCLUSTERED ]...