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I have to display ten columns values from diffrent ten
tables.
how many joins are require?

Question Posted / nitin

Answer Posted / nitin

there are 3 answeres
1. No joins are required if do not want to display related
data
2. 9 joins are requred if all tables are related
3. no joins reuquired we can use union if condition is
like following
select cola from a
union
select colb from b
union
select colc from c
.
.
.
like wise ten statements

Is This Answer Correct ?    8 Yes 2 No



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