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pooja28
Starting Member
6 Posts |
 Posted - 2011-03-17 : 09:29:32
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| hi to all, I created following tablecreate table book(id integer, author varchar(20))In this, each book may have 1 or more authors.My question is that, how can insert more value to author column like as follows.id author1 pooja merry james2 robert stephenThanks & Regards,Pooja |
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jezemine
Master Smack Fu Yak Hacker
2886 Posts |
Posted - 2011-03-17 : 09:34:11
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don't do that. you should have 3 tables. Book, Author, and BookAuthor. 1 row in Book for each book, 1 row in Author for each author. which authors authored which books is stored in BookAuthor.this is implemented in the sample database pubs btw. although there I think instead of Book they call it Title.
elsasoft.org |
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pooja28
Starting Member
6 Posts |
Posted - 2011-03-17 : 09:38:40
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| @jezemine, can u explain with an example.Thanks & Regards,Pooja |
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dbleh
Starting Member
3 Posts |
Posted - 2011-03-17 : 12:19:49
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| Yes, please show an example. I am stuck with same thing with a one to many relationship. I need to know how to update my tables when VehicleID has many options. I have Vehicles Table Options Table and VehicleOptions Table. Thank You |
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Inserting multiple values in a single column