Question

SQL DELETE

Asked by: gvamsimba

HI,
     I have a table A with id and orderdate as below-

  id          orderdate
1000227      2005-07-29 00:00:00.000
1000227      2005-07-29 00:00:00.000
1000227      2005-04-17 00:00:00.000

i have another table B like this -

  id          orderdate
1000227      2005-04-17 00:00:00.000

      Now i want do delete all id's from table A
where id in table b with the orderdate in table b..
so in the above example, my table A should like this after
deletion -

1000227      2005-07-29 00:00:00.000
1000227      2005-07-29 00:00:00.000

          can anybody give me that sql code please ?

Many Thanks...

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Asked On
2009-10-22 at 05:00:56ID24834094
Tags

SQL Server 2005

Topics

SQL Query Syntax

,

SQL Server 2005

Participating Experts
4
Points
500
Comments
5

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Answers

 

by: JR2003Posted on 2009-10-22 at 05:10:43ID: 25633122

You can use a FROM clause in a delete statement, so just write the slect query and add DELETE tablename to replace the SELECT *

DELETE dbo.[table A]
FROM dbo.[table A] A
INNER JOIN dbo.[table B] B
        ON A.orderdate = B.orderdate

                                              
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Select allOpen in new window

 

by: shru_0409Posted on 2009-10-22 at 05:15:27ID: 25633155

delete fROM   a
WHERE  NOT EXISTS ( SELECT  'X'
                       FROM  b
                       WHERE  b.id = a.id and trunc(b.orderdate) = trunc(a.orderdate))

try this

 

by: MuhammadKashifPosted on 2009-10-22 at 05:15:55ID: 25633160

delete query

DELETE FROM TableA
FROM TableA
INNER JOIN TableB ON TableA.id = TableB.ID 
AND TableA.orderdate = TableB.orderdate

                                              
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by: geek_vjPosted on 2009-10-22 at 05:19:34ID: 25633195

Hi, if the first table is new and the second table is new1, then you can use the following query

delete from new where orderdate in (select a.orderdate from new a join new1 b on a.id = b.id where a.orderdate = b.orderdate)

 

by: geek_vjPosted on 2009-10-22 at 05:22:57ID: 25633228

More precisely, the below query deletes the results in the first table if there are more than 1 matching rows too (Changed the table names for your clear understanding)

DELETE FROM Table1 WHERE orderdate IN (SELECT a.orderdate FROM Table1 a JOIN Table2 b ON a.id = b.id WHERE a.orderdate = b.orderdate)

20120131-EE-VQP-002

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