When using LIKE to compare strings, what is the wildcard operator (operator which matches zero or more characters)?

What can be stored in a column of type decimal(4,3)?

What is the default ordering when ORDER BY is not specified?

How do you select a single random row from a table?

What library is used by PostgreSQL for encryption?

Which one of the following text search functions does not exist?

How do you select a single random row from a table?

What command will correctly restore a backup made with the following command?

pg_dump -Fc dbname > filename

A table can have only one primary key column.

What is the default ordering when ORDER BY is not specified?

What interfaces are available in the base distribution of PostgreSQL?