With SQL, how can you return the number of records in the "Persons" table?

What type of lock will deny users any access to a table?

Which of the following is the correct SQL statement to use to remove rows from a table?

MySQL comes with as standard with client libraries for:

Internally information is held in tables. Which of these is NOT a valid format:

What is DCL?

What is DML?

What is DDL?

What is Row?

One of the early proponents of relational database who laid down many of the principles we use to this day was: