in Databases
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1 vote
1 vote

in Databases
253 views

2 Comments

a seems to be correct here.
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0
can you explain in detail
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1 Answer

2 votes
2 votes
Best answer

Lets take an example


So from above example you can observe that 1 and 2 relational algebra produce same result, where as 3 produce different result, So option a is correct here.

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