PostgreSQL has many modern features including:

PostgreSQL can be installed?

PostgreSQL runs on:

With PostgreSQL, you can access data by

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

We add data to PostgreSQL by using which statement?

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

Which of the following trigger function variables is not defined?

Will the following function compile and execute?

DECLARE

   intValue int4;

BEGIN

   intValue := 20 * 20;

   return intValue;

END;

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

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