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Union All


Union All

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Sarwan
Sarwan
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Hi,

table A which has 4 records
union all
Table B -has 4 records --getting result set using 3 tables
union all
table c - has 4 records
..
when i use union all I'm getting 12 records altogether in a result set..
My question is i want to see the sum of all records so that i will get only 1 record in the result set.
GilaMonster
GilaMonster
SSC Guru
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SELECT SUM(SomeColumn) FROM (
SELECT SomeColumn FROM TableA
UNION ALL
SELECT SomeColumn FROM TableB
UNION ALL
SELECT SomeColumn FROM TableC) sub



Gail Shaw
Microsoft Certified Master: SQL Server, MVP, M.Sc (Comp Sci)
SQL In The Wild: Discussions on DB performance with occasional diversions into recoverability

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Sarwan
Sarwan
Say Hey Kid
Say Hey Kid (687 reputation)Say Hey Kid (687 reputation)Say Hey Kid (687 reputation)Say Hey Kid (687 reputation)Say Hey Kid (687 reputation)Say Hey Kid (687 reputation)Say Hey Kid (687 reputation)Say Hey Kid (687 reputation)

Group: General Forum Members
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The columns in the table a ,b ,c are already using aggregate functions like max(duration) ,min(perf),avg(proc)
Sarwan
Sarwan
Say Hey Kid
Say Hey Kid (687 reputation)Say Hey Kid (687 reputation)Say Hey Kid (687 reputation)Say Hey Kid (687 reputation)Say Hey Kid (687 reputation)Say Hey Kid (687 reputation)Say Hey Kid (687 reputation)Say Hey Kid (687 reputation)

Group: General Forum Members
Points: 687 Visits: 367
It worked .


Thanks Gil.
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