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

* in a SELECT statement portion does what?

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

Which is TRIGGER in Mysql ?

With SQL, how do you select a column named 'FirstName' from a table named 'Persons'?

With SQL, how do you select all the records from a table named 'Persons' where the value of the column 'FirstName' is 'Peter'?

What is the equivalent of the mysqladmin reload command?

Which statement is true about TIMESTAMP and DATETIME data types?

Which command will return a list of triggers in the current database?

What is the maximum number of columns that can be used by a single table index?

Which is a valid constructor for a class named User?