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pnpsql
Posting Yak Master
246 Posts |
 Posted - 2012-07-25 : 23:04:12
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| i have a table like TBL_PARAM PARAMETER_NAME VALUE NEW1 10NEW2 20NEW3 30and i need to use value like below DECLARE @NEW1 NUMERIC(10), @NEW2 NUMERIC(10) , @NEW3 NUMERIC(10)SELECT @NEW1 = VALUE FROM TBL_PARAM where PARAMETER_NAME = 'NEW1'SELECT @NEW2 = VALUE FROM TBL_PARAM where PARAMETER_NAME = 'NEW2'SELECT @NEW3 = VALUE FROM TBL_PARAM where PARAMETER_NAME = 'NEW3'and use the values for some calculation. please suggest how can it be in one atatement and be optimize. challenge everything |
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visakh16
Very Important crosS Applying yaK Herder
52326 Posts |
Posted - 2012-07-26 : 00:19:02
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| [code]DECLARE @NEW1 NUMERIC(10), @NEW2 NUMERIC(10) , @NEW3 NUMERIC(10)SELECT @NEW1 = MAX(CASE WHEN PARAMETER_NAME = 'NEW1' THEN VALUE END),@NEW2 = MAX(CASE WHEN PARAMETER_NAME = 'NEW2' THEN VALUE END),@NEW3 = MAX(CASE WHEN PARAMETER_NAME = 'NEW3' THEN VALUE END) FROM TBL_PARAM where PARAMETER_NAME IN ('NEW1','NEW2','NEW3')[/code]------------------------------------------------------------------------------------------------------SQL Server MVPhttp://visakhm.blogspot.com/ |
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optimize help