Now firstly we will use ELSE-IF Statement and secondly we will avoid ELSE-IF Statement in stored procedure. Let’s go for it. Step 1 Right button click on Databases and Click New Database and give database named InventoryDB. Below is the following picture. Fig: Create Database OR below...
CreateProcedureProcedure-name ( Input parameters , Output Parameters (Ifrequired)) As Begin Sql statement usedinthe stored procedure End 在这里我们利用一个普通的例子来说明: /*Getstudentname is the name of the stored procedure*/ CreatePROCEDUREGetstudentname( @studentidINT--Input parameter , Student...
IF <Boolean Expression> <SQL statement> | BEGIN END [ELSE <SQL statement> | BEGIN END] 其中的表达式可以是取布尔值的任意表达式。 提示: 不恰当的使用NULL值是个常见的陷阱。例如经常会有如下错误出现: IF @MyVar = NULL 在大多数系统上(遵循ANSI标准)这样的表达式永远都不会为真,并且为绕过所有的NU...
首先,最简单的 IF 语句如下: IF boolean-expression THEN statements END IF; 如果表达式 boolean-expression 的值为真,执行 THEN 之后的语句;否则,忽略这些语句。例如: DO $$ BEGIN IF 2 > 3 THEN RAISE NOTICE '2 大于 3'; END IF; IF 2 < 3 THEN RAISE NOTICE '2 小于 3'; END IF; END $$;...
Here the stored procedure will perform the calculation based on the input arguments and save the details in the division table. The inserted information can be verified with the help of the select sql statement as shown in the below figure. Fig. 4: View the inserted the record Now let us ...
Including a SELECT statement in the body of a stored procedure will return the results to the calling application. However, you can use output parameters to return custom data. Now it’s time to improve on the previous example. You’ll create a procedure to retrieve the job titles of all ...
CREATE PROCEDURE procedure_name ASsql_statement GO; Execute a Stored ProcedureEXEC procedure_name; Demo DatabaseBelow is a selection from the "Customers" table in the Northwind sample database:CustomerIDCustomerNameContactNameAddressCityPostalCodeCountry 1 Alfreds Futterkiste Maria Anders Obere Str. 57...
Msg 8164, Level 16, State 1, Procedure usp_SalesPerformance, Line 35 An INSERT EXEC statement cannot be nested. **INSERT EXEC cannot be used inside of a Function** If the #tmp table created above were an existing table in the database (temp tables cannot be accessed within a function ...
Each When clause has an update statement. I am trying to call this stored procedure multiple times and based on the pass parameter, I run an update statement. Unfortunately, the update statement does not execute correctly. There are no changes done to the table if I pass the Input parameters...
The authorization ID that is used to create the stored procedure must have authority to create programs that are to be run in the specified WLM environment. The owner of the procedure is determined by how the CREATE PROCEDURE statement is invoked: If the statement is embedded in a prog...