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Discuss content posted by Peter Kierstead
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VarChar(max)?!?
18 posts, Page 2 of 2
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VarChar(max)?!?
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Philip Barry
Philip Barry
Posted Tuesday, August 12, 2008 2:42 AM
Ten Centuries
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Glad to see a clearer explanation from Simon, had a better understanding after that.
Regards,
Phil
Post #550803
GSquared
GSquared
Posted Tuesday, August 12, 2008 8:48 AM
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vlad (8/11/2008)
this makes varchar(max) a
special
type ... necessitating special handling aka "workaround" for a bug, maybe ??
Nope. Implicit conversion can be a problem on just about any data type. Elimination of implicit conversion would be the only way to handle that, and implicit conversion has too many good uses to get rid of it because of people who don't learn how to handle it correctly.
- Gus "GSquared", RSVP, OODA, MAP, NMVP, FAQ, SAT, SQL, DNA, RNA, UOI, IOU, AM, PM, AD, BC, BCE, USA, UN, CF, ROFL, LOL, ETC
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Post #551078
vlad-548036
vlad-548036
Posted Tuesday, August 12, 2008 10:51 AM
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Nope. Implicit conversion can be a problem on just about any data type. Elimination of implicit conversion would be the only way to handle that, and implicit conversion has too many good uses to get rid of it because of people who don't learn how to handle it correctly.
- GSquared
Despite the fact that implicit conversion maybe good or bad, varchar(max) is a not the same type as varchar(N), 0<=N<=8000 .. something to keep in mind!
Post #551237
bhusank_neuronimbus
bhusank_neuronimbus
Posted Wednesday, August 13, 2008 7:46 AM
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Hi Simon,
Thank for the explanation of the question.
Post #551892
GSquared
GSquared
Posted Wednesday, August 13, 2008 8:19 AM
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vlad (8/12/2008)
Nope. Implicit conversion can be a problem on just about any data type. Elimination of implicit conversion would be the only way to handle that, and implicit conversion has too many good uses to get rid of it because of people who don't learn how to handle it correctly.
- GSquared
Despite the fact that implicit conversion maybe good or bad, varchar(max) is a not the same type as varchar(N), 0<=N<=8000 .. something to keep in mind!
Exactly.
- Gus "GSquared", RSVP, OODA, MAP, NMVP, FAQ, SAT, SQL, DNA, RNA, UOI, IOU, AM, PM, AD, BC, BCE, USA, UN, CF, ROFL, LOL, ETC
Property of The Thread
"Nobody knows the age of the human race, but everyone agrees it's old enough to know better." - Anon
Post #551940
Linson.Daniel
Linson.Daniel
Posted Monday, August 18, 2008 12:36 AM
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A real good explanation by Simon....Im quiet clear on this one..Thanks Simon:)
Post #554109
Bhuvnesh
Bhuvnesh
Posted Monday, September 15, 2008 6:17 AM
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--Step 1
Declare @Str VarChar(max);
Set @Str=Replicate(cast('*'as varchar(MAX)) ,10000)
Print Len(@Str);
--Step 2
Declare @Str VarChar(max);
Set @Str=Replicate('*' ,10000)
Print Len(@Str);
----
i m hardly got the difference between step 1 and step 2 ..please explain both ????
-------Bhuvnesh----------
While 1 = 1 (Learning SQL....)
Click to get fast response of your post
Post #569369
SQLRNNR
SQLRNNR
Posted Friday, July 10, 2009 1:04 PM
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nice to have a clear explanation.
Good question
Jason
AKA CirqueDeSQLeil
I have given a name to my pain...
MCM SQL Server 2008
SQL RNNR
Posting Performance Based Questions - Gail Shaw
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