This section provides a tutorial example to show you differences between user-defined variables and stored procedure variables: syntax, declaration and scope.
Let’s see an example for variable declaration and display: postgres=#CREATEPROCEDUREexample2 ()AS$$ postgres$#DECLAREpostgres$# var1_intINTEGER:=10;postgres$# var2_text TEXT := 'this is text type variable'; postgres$# var3_date DATE := now(); postgres$#BEGINpostgres$# RAISE NOTICE'va...
I need to use a variable to indicate what database to query in the declaration of a cursor. Here is a short snippet of the code : CREATE PROCEDURE `update_cdrs_lnp_data`(IN dbName VARCHAR(25), OUT returnCode SMALLINT) cdr_records:BEGIN DECLARE cdr_record_cursor CURSOR FOR ...
PostgreSQL stored procedures allow us to extend the database’s functionality by creating the user-defined functions using various languages; it is called a stored procedure in PostgreSQL. A stored procedure is beneficial and important to create our own user-defined functions after creating the functi...
Where NEW is a variable that contains a row of the table.2- Define when the trigger will be fired:CREATE TRIGGER tr BEFORE INSERT ON tableName FOR EACH ROW EXECUTE PROCEDURE tr_function(); Where:BEFORE (or AFTER): define when the trigger function will be activated (before or after the ...
Calling Oracle Stored Procs/Functions from Powerbuilder whenever you want to make a call to an Oracle stored procedure or stored function, a good approach is to first declare it as an external function and then invoke it based on that declaration. ...
create view from stored procedure Create view with NOLOCK CREATE VIEW WITH PRIMARY KEY CREATE/ALTER PROCEDURE' must be the first statement in a query batch. Create/Alter view with declare variable Created a new column in a select statement .How to use that column name in CASE statement in ...
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. To save the value of the parameter in a variable that can be used in the calling program, the calling ...
http://stackoverflow.com/questions/11867551/display-error-message-using-stored-procedureWednesday, October 23, 2013 3:05 AMHi pearl08,If you get an error, then set the message in the variable and return from the SP, else, if rows are inserted successfully, then set the success message in ...
Issue a call to a stored procedure in the database to carry out the request from the business tier. Return results (if any) to the business tier. As an example, consider the following stored procedure up_insert_auth that we could define for use in the pubs database: Copy CREATE PROCE...