You want to manipulate some value in the database upon updation in a trigger function. Which line of the code would be appropriate?

If entity x is existence-dependent on entity y, then what is x called?

Will the following function compile and execute?

DECLARE

   intValue int4;

BEGIN

   intValue := 20 * 20;

   return intValue;

END;

Which of the following trigger function variables is not defined?

Which of the following help PostgreSQL avoid unnecessary locking of records?

What do you infer from the following declarations?

1. arrayA type[]

2. arrayB type[][]

Triggers can be configured to execute when which of the following operations are performed:

With PostgreSQL, you can access data by

PostgreSQL runs on:

PostgreSQL can be installed?

PostgreSQL has many modern features including: