The procedure xp_fixeddrives is one of the most useful procedures. It presents a list of all drive letters and the amount of free space each drive has. The parameter has a single optional input parameter that ca
SQL 语句和存储过程常常使用 input 参数、output 参数和返回代码。在 Integration Services 中,执行 SQL 任务支持 Input、Output 和 ReturnValue 参数类型。Input 类型用于输入参数,Output 用于输出参数,ReturnValue 用于返回代码。 注意 只有数据访问接口支持这些参数时,才可在执行 SQL 任务中使用它们。
EXECUTE<ProcedureName> N'<Parameter 1 value>, N'<Parameter xvalue>; GO 例如,以下 Transact-SQL 语句执行uspGetCustomerCompany存储过程,将Cannon作为@LastName参数值,将Chris作为@FirstName参数值: SQL EXEC SalesLT.uspGetCustomerCompany N'Cannon', N'Chris'; GO ...
存储过程(stored procedure)有时也称为sproc。存储过程存储于数据库中而不是在单独的文件中,有输入参数、输出参数以及返回值等。 12.1 创建存储过程:基本语法 在数据库中,创建存储过程和创建其他对象的过程一样,除了它使用的AS关键字外。存储过程的基本语法如下: CREATE PROCDUER|PROC <sproc name> [<parameter n...
Can't declare table parameter as input to stored procedure Can't delete rows from Mgt Studio view Can't Enable Foreign Key Constraint (Msg 547, Level 16, State 0, Line 15) Can't perform emptyfile operation on .mdf? Can't select DISTINCT values with XML datatype. Can't use Begin Tran...
The element RetAndOpParamTransformation wraps the return_value of the stored procedure. This stored procedure has custidPattern as an input parameter. custCount is defined as an output parameter of type integer (because it returns an integer count).--> <functions> <function name="wireless.dbo....
(6), 'ABC '), ' ', 'L') + '>', the value'ABC 'is incorrectly evaluated as'ABC'.Trailing spaces are always preserved. For applications that rely on the previous behavior of the function, use theRTRIMfunction when specifying the first input parameter for the function. For example, the...
The following example creates theuspGetSalesYTDprocedure with one input parameter,@SalesPerson.NULLis assigned as the default value for the parameter and is used in error handling statements to return a custom error message for cases when the procedure is executed without a value for the@SalesPerson...
The cursor is implicitly deallocated when the batch, stored procedure, or trigger ends. The cursor is deallocated unless it was passed back in an OUTPUT parameter. The cursor might be passed back in an OUTPUT parameter. If the cursor passes back this way, the cursor is deallocated when the ...
cmd.CommandType=CommandType.StoredProcedure;cmd.Connection = con;OracleParameter v1 = new OracleParameter("v1",OracleDbType.Long,ParameterDirection.InputOutput);//v1.Size=32000;v1.Value= "abcdefg";cmd.Parameters.Add(v1);cmd.ExecuteNonQuery();Console.WriteLine("value is {0}",v1.Value);v1....