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T-SQL

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malleswarareddy_m
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greated question

Malleswarareddy
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Danny Ocean
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Hi,

It's really very good question. thanks for sharing.

Thanks
Vinay Kumar
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Peter E. Kierstead
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Note:
insert into #test values (2,'D'),('','E') is equal to insert into #test select 2,'D' union select '','E'

Actually, its like:
insert into #test values (2,'D'),('','E') is equal to insert into #test select 2,'D' union all select '','E'



PeteK
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TomThomson
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Really good question. Thanks.

Tom

irshadmohideen
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Excellent question. Good point emphasized when inserting with multiple value segments with single insert statement.
anders-731262
anders-731262
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Interesting, Thanks.
mferanda
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Nice post! Thanks!
Reji PR
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Nice question. got a good knowledge. thanks:-)

Thanks.

Reji PR,
Bangalore
:-D
Christian Buettner-167247
Christian Buettner-167247
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pksutha (3/23/2011)
Hi Gopi,

select * into TestTable from
(
select CAST(1 as smallint) as C1, CAST(6 as smallint) as C2
union
select CAST(2 as tinyint),CAST(6 as int)
union
select CAST(3 as bigint),CAST(6 as smallint)
union
select CAST(4 as int),CAST(6 as tinyint)
) T

Note: Practically i want to see the difference... will u give example for that..


Hi pksutha,

try this query to see the resulting data type:
SELECT RowID
,Col
,SQL_VARIANT_PROPERTY(Col,'BaseType') BaseType
,SQL_VARIANT_PROPERTY(Col,'Precision') Precision
,SQL_VARIANT_PROPERTY(Col,'Scale') Scale
,SQL_VARIANT_PROPERTY(Col,'TotalBytes') TotalBytes
,SQL_VARIANT_PROPERTY(Col,'Collation') Collation
,SQL_VARIANT_PROPERTY(Col,'MaxLength') MaxLength
FROM (
SELECT 1 AS RowID, CAST(1 AS int) Col
UNION ALL SELECT 2 AS RowID, CAST('2' AS char) Col
)SubQ


And play a little with the datatypes & order of data types in the CASTs to see what the resulting data type will be.

Best Regards,

Chris Büttner
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