It is possible to add a constraint after a table is created

A datatype can be changed after a table has been created.

Which is not a valid aggregate function?

With SQL, how can you insert a new record into the 'Persons' table?

Which SQL statement is used to extract data from a database?

* in a SELECT statement portion does what?

A stored routine is a set of SQL statements stored on the server and takes form as either a procedure or a function. Which statement cannot be used inside stored routines?

Which choice is not an available string type for a column?

How would you retrieve data on all the customers where no phone number is stored?

Explain the security aspect of stored procedures

What is the equivalent of the mysqladmin reload command?