Retrieve records from two tables

Posted by nayeemdotnetfunda-27597 under Sql Server on 7/28/2014 | Points: 10 | Views : 579 | Status : [Member] | Replies : 3

I have two tables Class1 and Class2 how to retrieve all the records of Class1 those shouldnot present in Class2

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Posted by: Rasikbapotra on: 7/28/2014 [Member] Starter | Points: 25

0	Hi Nayeem, You can try below query SELECT * from Class1.* LEFT JOIN Class2 ON Class1.ColumnName <> Class2.ColumnName nayeemdotnetfunda-27597, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Bandi on: 7/30/2014 [Member] [MVP] Platinum | Points: 25

0	Use Except set operator f you have same structure for both tables, SELECT * FROM Class1 EXCEPT SELECT * FROM Class2 If you have one common column between both tables, use LEFT JOIN SELECT c1.* FORM Class1 c1 LEFT JOIN Class c2 ON c1.CommonColumn = c2.CommonColumn Mark This Response as Answer -- Chandu http://www.dotnetfunda.com/images/dnfmvp.gif nayeemdotnetfunda-27597, if this helps please login to Mark As Answer. \| Alert Moderator

Use Except set operator f you have same structure for both tables,

SELECT * FROM Class1
EXCEPT
SELECT * FROM Class2

If you have one common column between both tables, use LEFT JOIN

SELECT c1.* FORM Class1 c1 LEFT JOIN Class c2 ON c1.CommonColumn = c2.CommonColumn

Mark This Response as Answer
--
Chandu
http://www.dotnetfunda.com/images/dnfmvp.gif

nayeemdotnetfunda-27597, if this helps please login to Mark As Answer. | Alert Moderator

Posted by: Bandi on: 8/1/2014 [Member] [MVP] Platinum | Points: 25

0	If u got solution/help from the above replies, make them as Answered.. Else, post us back the sample data and expected output Mark This Response as Answer -- Chandu http://www.dotnetfunda.com/images/dnfmvp.gif nayeemdotnetfunda-27597, if this helps please login to Mark As Answer. \| Alert Moderator

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