a) Write complete SQL statement to create 02 database tables, one as Master and the other as Slave table (of your own choice but other than the demo tables studied in class) which must contain all the constraints which has to be userdefined in nature. b) Write SQL statements to enter records (Minimum 08 in Child and minimum 04 in Parent table) using DDL commands c) Elaborate the importance of Foreign key and its relationship with Primary key with respect to the 02 tables you just created and moreover how the validation of data occurs through PK and FK. d) By using the tables, you have created, elaborate all the SQL clauses in right order by writing / using various appropriate DML, DDL and DQL statements wherever required. [2+2+2+4]