Re: Sql not exists

From: <nlzanen1_at_EY.NL>
Date: Thu, 25 Oct 2001 01:53:23 -0700
Message-ID: <F001.003B3DC6.20011025013519@fatcity.com>

10:32:29 43-CC1-JACK> select * from test1;

  11
  12
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  15
6
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8
9
  10

10 rows selected.

10:32:37 43-CC1-JACK> select * from test2;

1
2
3
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10

10 rows selected.

10:32:42 43-CC1-JACK> select  id
10:32:512  from test1
10:32:513  where exists (select 'x'
10:32:514 from test2
10:32:515 where test1.id=test2.id);

6
7
8
9
10

10:32:53 43-CC1-JACK> select  id
10:33:092  from test1
10:33:093  where not exists ( select 'x'
10:33:094 from test2
10:33:095 where test1.id=test2.id);

  11
  12
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10:33:12 43-CC1-JACK> spool off

Jack

Roland.Skoldblom_at_ica.se_at_fatcity.com on 25-10-2001 10:35:23

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To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com> cc: (bcc: Jack van Zanen/nlzanen1/External/MEY/NL)

Hallo you DBA'

Can anyone give me a good example on a sql select statement checking which ids exists in table one but not in table two? Table two also contains the corresponding id field but with other field names besides. Like this

Table 1: Id         Name      Year
Table 2: :Id   City           Country

Thanks in advance

Roland Sköldblom

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Author:
INET: Roland.Skoldblom_at_ica.se

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