Question: NOTE: Need only Relational algebra expression a) select rackets from Qaza where NAME=A; b) SELECT COUNT (name) from female where question1=Null c) SELECT Count(SALAH)From SALAHWHERE
NOTE: Need only Relational algebra expression
a) select rackets
from Qaza where NAME="A";
b) SELECT COUNT (name) from female where question1=Null
c) SELECT Count(SALAH)From SALAHWHERE follow=false
d) select AVG(time)from prayer where name ="M.Noman"
e) SELECT namefrom slalah where repetation=max
f) select name from salah where repetation
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