* Sets the current thread's copy of this thread-local variable * to the specified value. Most subclasses will have no need to * override this method, relying solely on the {@link #initialValue} * method to set the values of thread-locals. * * @param value the value to be stored in ...
如需詳細資訊,請參閱運算式 (Transact-SQL)。@cursor_variable_name資料指標變數的名稱。 資料指標變數名稱的開頭必須是 at (@) 符號,且必須符合識別碼的規則。CURSOR 指定變數是本機資料指標變數。@table_variable_name table 類型的變數名稱。 變數名稱的開頭必須是 at (@) 符號,且必須符合識別...
In looking for people to hire, you look for three qualities: integrity, intelligence, and energy. And if they don't have the first, the other two will kill you! SQL SELECT @local_variable/SET @local_variable/DECLARE @local_variable 指定将(使用 DECLARE@local_variable创建的)给定的局部变量设...
SQL 复制 DECLARE my_cursor CURSOR GLOBAL FOR SELECT * FROM Purchasing.ShipMethod DECLARE @my_variable CURSOR ; SET @my_variable = my_cursor ; --There is a GLOBAL cursor declared(my_cursor) and a LOCAL variable --(@my_variable) set to the my_cursor cursor. DEALLOCATE my_cursor; GO ...
适用于:sql Server Azure SQL 数据库 Azure SQL 托管实例 Microsoft Fabric Warehouse Microsoft Fabric SQL 数据库中的 Azure Synapse Analytics SQL 分析终结点Microsoft Fabric 数据库中 将局部变量设置为表达式的值。 要分配变量,建议使用 SET @local_variable,而不是 SELECT @local_variable。 Transact-SQL 语法...
You can use variables only in expressions, not instead of object names or keywords. To construct dynamic Transact-SQL statements, use EXECUTE. Although syntax rules for SET @cursor_variable include the LOCAL and GLOBAL keywords, when you use the SET @cursor_variable = CURSOR... syntax, the ...
Assigns a value to the variable in-line. The value can be a constant or an expression, but it must either match the variable declaration type or be implicitly convertible to that type. For more information, see Expressions (Transact-SQL).@...
Transact-SQL-Referenz für die Verwendung der DECLARE-Anweisung, um lokale Variablen für die Verwendung in einem Batch oder einer Prozedur zu definieren.
SQL analytics endpoint in Microsoft Fabric Warehouse in Microsoft Fabric SQL database in Microsoft Fabric Sets a local variable to the value of an expression. For assigning variables, we recommend that you useSET@local_variableinstead of SELECT @local_variable. ...
In SQL Server 2000, FAST_FORWARD and FORWARD_ONLY cursor options are mutually exclusive. If one is specified, the other cannot be, and an error is raised. In SQL Server 2005, both keywords can be used in the same DECLARE CURSOR statement. ...