What is the default value of column? 

Which keyword is the synonym for DATABASE? 

 Which clause specifies periodic execution at fixed intervals? 

Which of the following is case-sensitive in MySQL?

When no modes are enabled, what does this statement return?

SELECT @@SESSION.sql_mode;

What is ‘xyz’ in the following statement?

SELECT xyz FROM table1 UNION xyz FROM table2;

Which clause in the SQL standard controls how NULL values in a composite foreign key are handled when comparing to a primary key. 

What is the purpose of the UNION operator in MySQL?

 What will be the storage pattern for “float(4,2)” in Mysql? 

  If attribute “fruit” stores data as “apple, mango, banana” in table person then what will be the output of the following SQL command? 

SELECT fruit FROM person
   WHERE person_id=1
   ORDER BY fruit;