Q$5$Consider the following Relation Schema SUPPLIER $($sid$,$ sname, street$)$

PARTS $($pid$,$ pname, colour$)$

CATALOG $($sid$,$ pid, cost$)$

For Query$1$ and Query$2,$ write the

a$)$ Relational Algebra

b$)$ Tuple Relational Calculus and

c$)$ Domain Relational Calculus Expression.

$($i$)$: Query$1-$ Find the pids of parts supplied by at least two different suppliers. $($NOTE: do not use aggregate functions$)$

$($ii$)$: Query$2-$ Find the sids of suppliers who supply some red part, or are at 'Gandhi Street'.