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?

The heart of SQL is the __________ statement.

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?

Consider the following structure of the students table:

        rollno        number(4)

        name          varchar(20)

        course        varchar(20)

What will be the query to display the courses in which the number of students enrolled is more than 5?