Sets the specified local variable, previously created by using the DECLARE @local_variable statement, to the specified value.Transact-SQL syntax conventionsSyntaxSyntax for SQL Server, Azure SQL Database, and Azure SQL Managed Instance:syntaxsql Copy ...
If you want to set your variablesIsAdmin,IsSuperUser, andIsUserin one query, you can use the...
Transact-SQL 编程语言提供了一些 SET 语句,这些语句可以更改特定信息的当前会话处理。 SET 语句可分为下表中列出的几个类别。 有关使用 SET 语句设置局部变量的信息,请参阅SET @local_variable (Transact-SQL)。 展开表 类别语句 日期和时间语句SET DATEFIRST ...
Expression Gets or sets the expression that the variable is going to be set. Can be nullnull 引用(在 Visual Basic 中为 Nothing) in case of cursor. FirstTokenIndex Gets or sets the first token index. (从 TSqlFragment 继承。) FragmentLength Gets the fragment length. (从 TSqlFragment 继承...
The"assign in UPDATE"has been a valid syntax for SQL Server for a long time. SeeMERGE on ...
ofDESCRIBEfunctions in thecharacter_set_systemcharacter set by default. When you useSELECT column1 FROM t, the namecolumn1itself is returned from the server to the client in the character set determined by the value of thecharacter_set_resultssystem variable, which has a default value oflatin1...
程序集:Microsoft.SqlServer.TransactSql.ScriptDom(在 Microsoft.SqlServer.TransactSql.ScriptDom.dll 中) 语法 C# [SerializableAttribute]publicclassSelectSetVariable:SelectElement SelectSetVariable 类型公开以下成员。 构造函数 名称说明 SelectSetVariableInitializes a new instance of the SelectSetVariable class. ...
Gets or sets the expression that is going to be used to set the variable. 命名空间: Microsoft.SqlServer.TransactSql.ScriptDom 程序集: Microsoft.SqlServer.TransactSql.ScriptDom(在 Microsoft.SqlServer.TransactSql.ScriptDom.dll 中) 语法 C# 复制 public ScalarExpression Expression { get; set; } ...
SET ANSI_NULLS ON affects a comparison only if one of the operands of the comparison is either a variable that is NULL or a literal NULL. If both sides of the comparison are columns or compound expressions, the setting does not affect the comparison. ...
To make it short, add an integer identity(1,1) column to your temp table #myTable and you get a generated 'row number' in order of inserts, that doesn't need the use of row_nuber() and the second temp table. Better use a table variable, like this: Code: Declare @myTable as ...