3. Write four SQL update statements to do the following updates on the database schema shown in Figure 1.2. Show the affected tables after update through script file in sqlplus and in a script file created as before and named username_assn3que3.txt (5 marks) Total for que 3 is 5 marks) (a) Insert a new musician in the database. (b) Change the address of musician "John Doe' to 500 Airport Rd. (c) Insert a new album (d) Delete all performance records for songs whose name is 'Hello World' Fig 1.2: Schema of the Windsor Music Records database of Figure 1.1 Musician SSN MName Maddress Phone Instrument Iname Musickey Album Aid atitle copyrightdate format Song stitle author Play SSN Iname