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MAINFRAME - TIP OF THE DAY : When you specified V for RECFM parameter, LRECL value is largest record in the file plus 4 bytes. These four bytes contain the actual length of each variable length record in the file

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chintu
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PostPosted: Wed Oct 24, 2007 8:59 pm    Post subject: foreign key Reply with quote

Hai,

Iam a beginner.Can anybody explain me about the foreign key i.e.

when we use references what is on delete set null

and what is on delete restrict

thanks in advance .
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DavidatK
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Location: Troy, MI USA

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PostPosted: Thu Oct 25, 2007 2:05 am    Post subject: Reply with quote

chintu,

Not sure exactly what your question is, but check out the link below and see if this answers it.

Delete Set Null

If this does not answer your question, please come back

Dave
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immanuel
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PostPosted: Wed Jun 18, 2008 1:42 pm    Post subject: Reply with quote

actually , other than primary key u should select another key which is the primary key for next table. that other key of first table is referred as foreign key
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PostPosted: Fri Jan 15, 2016 10:08 pm    Post subject: Topic deleted by Admin Reply with quote

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PostPosted: Fri Jan 15, 2016 11:17 pm    Post subject: Reply with quote

Pictures of your family members are not approved of here, however dear they are to you.
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PostPosted: Sun Jan 17, 2016 5:52 pm    Post subject: Reply with quote

whats happening here, why this spam posts are still exists? where is the site admin?
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