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A subprogram is a program unit/module that performs a particular task.

These subprograms are combined to form larger programs. A subprogram can be invoked by another subprogram or program which is called the calling program.

A trigger is a pl/sql block structure which is fired when a DML statements like Insert, Delete, Update is executed on a database table.

A trigger is triggered automatically when an associated DML statement is executed.

1) BEFORE UPDATE, Statement Level: This trigger will insert a record into the table 'product_check' before a sql update statement is executed, at the statement level.

Output: Mesage Current_Date ------------------------------------------------------------ Before update, statement level 26-Nov-2008 Before update, row level 26-Nov-2008 After update, Row level 26-Nov-2008 Before update, row level 26-Nov-2008 After update, Row level 26-Nov-2008 After update, statement level 26-Nov-2008 The above result shows 'before update' and 'after update' row level events have occured twice, since two records were updated.

We can create a trigger to update the 'product_price_history' table when the price of the product is updated in the 'product' table.

There are two types of triggers based on the which level it is triggered.

This concurrent program will connect to "apps schema" from where access to all the tabes across every module will be available. Insert records in tables(usually interface or temp tables)2. Make this concurrent program complete with status Error or Warning or Normal.

Lets say you have an external application which is integrated with apps.

For Example: The price of a product changes constantly.

It is important to maintain the history of the prices of the products.

274 comments

  1. This Oracle PL SQL tutorial teaches you the basics of programming in PL/SQL like cursors, stored procedures, PlSQL functions

  2. I need to update 1 column number with a column from another table around 350,000 records based on a join value in the 2 tables. In the first table the 5,000,000 record table all the records will be updated.

  3. Comments on "Steps for your first pl/sql Concurrent Program in Oracle Apps " Simon said. AM Hi, I understand it's possible to call a stored procedure with parameters, but how would one go about deciding whether the procedure had

  4. Until I rollback the updates which i performed in the first session, the plsql in the second session was not successful. Please clarify. You have a great day Tom.

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