Related Questions
Q21: By placing a(n)_ command in an INSERT
Q22: To add a new column,use the ADD
Q24: The ROLLBACK command reverses changes made to
Q25: It is a good idea to use
Q27: You cannot change the characteristics of existing
Q28: Updates become permanent automatically when you exit
Q29: Which of the following commands executes a
Q30: In Oracle 11 g,a null value is
Q31: When necessary,include a WHERE clause into the
Q45: In SQL Server,execute the sp_columns command to