True or false? Hash indexes are not crash-safe

True or false: When a table is created which uses a table name as a column type, not null constraints on the column type's table definition are honored by the including table.

The syntax to view the indexes of an existing postgreSQL table is:

Which statement is not true about a PostgreSQL domain?

The extension used for data encryption/decryption within PostgreSQL is:

What is a TOAST file?

What does the pg_dump command do?

pg_dump CustomerDatabase

What does the RAISE statement do in PL/pgSQL?

Which of the following techniques can be used to obtain a result which is based on comparing one row of a table with another row of the same table?

Which method should be used to drop the master table if its primary key is being referenced by a foreign key in some other table?

Which of the following statements is correct?