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Oracle PLSQL
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The _____________ operator returns rows that are retrieved by both queries.
Options
- Inter
- Intersect
- Union
- Both a and b
CORRECT ANSWER : Intersect
Discussion Board
Wrong answer
its UNION or you should have asked for common records in both queries.
if query 1 gives
A
B
and query 2 gives
C
D
Intersect will give no result.
Ashutosh 08-26-2017 04:49 AM
union
Union returns all distinct rows that are in both queries.
Union all returns all rows that are in both queries
intersect returns rows that exist in both queries only
if one is pedantic , technically this occurs in all three operators to some degree
bernard 05-10-2017 01:52 PM
INTERSECT
The INTERSECT operator returns rows that are retrieved by both queries.
The UNION operator returns only distinct rows that appear in either result, while the UNION ALL operator returns all rows. The UNION ALL operator does not eliminate duplicate selected rows.
Prajakta Pandit 02-14-2017 04:20 AM
Intersect
Union returns rows that are retrieved by EITHER query - not both
Greg 03-13-2015 08:48 AM
Correct answer should be UNIION
Hi,
The correct answer should be union, as result set is the result of both the query.
Mahesh 01-13-2015 01:19 AM
sql ,plsql
where there is will and there is way.
bisal 08-28-2014 11:42 AM
Union
Union also returns rows that are retrieved by both queries
Venkat 07-31-2013 02:11 PM
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