The UNION ALL has LESSER precedence than UNION DISTINCT. 

 What represents a ‘tuple’ in a relational database? 

Which data type is used for a fixed-length binary string?

Which column attribute provides unique numbers for identification? 

 What will be the output of the following MySQL statement “Null AND Null”? 

  Which feature is used for automatic increment of the column? 

Deletion of an employee from table also deletes that employee from another table. This kind of delete is called ____________ 

What column names are displayed when this command is executed?

SHOW COLUMNS FROM table_name LIKE '%name';

What are the differences between the COUNT and SUM aggregate functions?

What will be the output of the following query?

 SELECT * FROM employee WHERE lname LIKE %bas% OR fname LIKE %bbs%;