The cursor data type cannot be bound to application variables through the database APIs such as OLE DB, ODBC, ADO, and DB-Library. A parameter can be specified as only output, but if the varying keyword is specified in the parameter declaration, the data type must be cursor and the output keyword must also be specified. If the cursor data type is specified for a parameter, both the varying and output keywords must be specified for that parameter in the procedure definition. Transact-SQL procedures can use the cursor data type only for output parameters. Use the cursor data type in output parameters No error is returned, but you can't use the output value in the calling program. However, you can execute a procedure with output parameters and not specify output when executing the procedure. If you specify output for a parameter when you call a procedure and that parameter isn't defined by using output in the procedure definition, you get an error message. This is often referred to as "pass-by-reference capability."
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The new value would be passed back out of the procedure through the output parameter, updating the value in the variable when the procedure exits. Then in the procedure body, the value could be used for calculations that generate a new value. The execute statement would pass the variable value into the output parameter. In the previous example, the variable can be assigned a value before the program calls the pGetEmployeeSalesYTD procedure. This allows the procedure to receive a value from the calling program, change or perform operations with the value, and then return the new value to the calling program. PRINT 'Year-to-date sales for this employee is ' values can also be specified for output parameters when the procedure is executed. Save the output value in the variable Calls PRINT to display the value saved to money
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To save the value of the parameter in a variable that can be used in the calling program, the calling program must use the output keyword when executing the procedure. If you specify the output keyword for a parameter in the procedure definition, the procedure can return the current value of the parameter to the calling program when the procedure exits. IF OBJECT_ID('pGetEmployeeSalesYTD', 'P') IS NOT NULLĭROP PROCEDURE pGetEmployeeSalesYTD ĬREATE PROCEDURE pGetEmployeeSalesYTD This example shows a stored procedure that returns the LastName and SalesYTD values for all SalesPerson rows that also appear in the vEmployee view. The following examples use the AdventureWorks2019 sample database. Examples of returning data using a result set This behavior also applies to nested Transact-SQL batches, nested stored procedures, and top-level Transact-SQL batches. If multiple such SELECT statements are run during the execution of the stored procedure, multiple result sets will be sent to the client. For small result sets, the results will be spooled for return to the client and execution will continue. For large result sets, the stored procedure execution won't continue to the next statement until the result set has been completely sent to the client. SELECT), the rows specified by the SELECT statement will be sent directly to the client.
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If you include a SELECT statement in the body of a stored procedure (but not a SELECT. This article provides information on the three approaches.
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There are three ways of returning data from a procedure to a calling program: result sets, output parameters, and return codes. Applies to: SQL Server (all supported versions) Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW)