Consider the followingrelations:
first(a, b,c) second(b, c)
i) write the equivalentexpression of first join second in relational algebra.
ii) can union operation is performedbetween first and second.
iii) what are the resulted columns forfirst divide second

Company has asked employees for suggestions on ways to personalize the retail customer's shopping experience. they want to supplement traditional appeals to the customer. you have come up with several ideas. select the idea or ideas you have decided to submit.c. designate two of the curtained areas in the women's dressing room for nursing mothers  d. tailor merchandise in each store to the preferences of customers in that geographical region

Just trying to get some points : p sorry bro