Data validation can be implemented at the definition stage through:

Which of the following copy commands will work in PostgreSQL?

Which of the following can be used to uniquely identify a row?

Which of the following geometric types is not defined in PostgreSQL?

Every Boyce-Codd Normal Form(BCNF) is in:

What is the error in the following query if the students table contains several records?

       select name from students where name =

     (select name from students order by name);

Within a table, a single column may be encrypted.

When you want to use a join between columns that are in the same table, you use what type of join?

A tablespace is the place where database objects are stored on disk.

If you don’t specify ASC or DESC, PostgreSQL will assume you want to see results:

Tablespaces: