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Sean_B
Posting Yak Master
111 Posts |
 Posted - 2010-02-04 : 06:30:17
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| Hi,when I do a select * into #temp from mytable I get a given number of reads on mytable.However when I create the #temp table first and do an insert insert into #temp select * from mytable.I get the same number of reads on mytable, but also reads on #temp.Why is it doing this and how can I avoid it, any suggestions appreciated.SeanSean |
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madhivanan
Premature Yak Congratulator
22864 Posts |
Posted - 2010-02-04 : 07:33:41
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| Your question is not very clearWhat do you mean by reads?MadhivananFailing to plan is Planning to fail |
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Sean_B
Posting Yak Master
111 Posts |
Posted - 2010-02-04 : 09:48:26
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| When I set the statistics on I get the following logical reads on the temp tableTable '#Temp2______________________________________________________________________________________________________________00000000A731'. Scan count 0, logical reads 294136, physical reads 0, read-ahead reads 0, lob logical reads 0, lob physical reads 0, lob read-ahead reads 0.Sean |
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madhivanan
Premature Yak Congratulator
22864 Posts |
Posted - 2010-02-05 : 01:04:44
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quote:
Originally posted by Sean_B
When I set the statistics on I get the following logical reads on the temp tableTable '#Temp2______________________________________________________________________________________________________________00000000A731'. Scan count 0, logical reads 294136, physical reads 0, read-ahead reads 0, lob logical reads 0, lob physical reads 0, lob read-ahead reads 0.Sean
Ok. What is your problem?MadhivananFailing to plan is Planning to fail |
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Sean_B
Posting Yak Master
111 Posts |
Posted - 2010-02-05 : 05:46:51
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| It is more of a question than a problem, why does the insert perform logical reads on the temp table it is inserting into, there are no keys or id columns on this table.Sean |
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Temp table query