Outline the function of each of the following constraint as used in Structured Query Language. (a) (i) UNIQUE; (ii) CHECK: (iii) DEFAULT. (1 mark) (1 mark) (1 mark) (b) In the early years of computing, punched cards were used for storing and retrieving ytve data. Outline four challenges that could have been realised from using these devices. (4 marks) (c) Explain three factors that may influence the choice of database system in an organisation. (6 marks) (d) Table 2 is the un-normalised table used by a movie vendor to manage their movie distribution. Normalise the table up to the third normal form. (7 marks) Table 2 NAME Jean Zani PHYSICAL ADDRESS Mashujaa Road Sam Lemi Nairobi East Ways MOVIE TITLE The Life of a Politician, Bits and Bytes of Computers The Valley of Life, Cutting the Roses TITLE Ms. Mr. Sam Lemi Hills View way Bits and Bytes of Computers Mr.