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Old February 13th, 2013, 06:15 AM
trivijay trivijay is offline
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Sql query required

i have two tables as below
1. friends(id1 varchar, id2 varchar) and
2. likes(id1 varchar, id2 varchar) with some data inserted in it

the tuple (a,b) in friends means a is friend of b and tuple (a,b) in likes means a likes b.

i need to write following query

if a is friend of b and alikes b but b does not like a then delete the tupple from likes


plz help

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