Re: Fwd: Re: Can I search for an array in csf?
От | Josh Berkus |
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Тема | Re: Fwd: Re: Can I search for an array in csf? |
Дата | |
Msg-id | 200210212002.52843.josh@agliodbs.com обсуждение исходный текст |
Ответ на | Fwd: Re: Can I search for an array in csf? (Vernon Wu <vernonw@gatewaytech.com>) |
Ответы |
Re: Fwd: Re: Can I search for an array in csf?
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Список | pgsql-sql |
Vernon, > >> One field of a table stores an array of characters in a string fromat as > >> "a,b,c,d". Is anyway to apply a select statement without using stored > >> procedure? > The reason I use this format for an array is that the array is dynamic. I have quite few cases of this type of situation. The > maximize length in some cases is known, is unknown in others. I have learnt the comment separated format is one way > to solve the problem. Someone also suggested to store the array as an object. I am not sure whether it works or not. > The application is written in Java, by the way. You should store this data in a sub-table linked through a foriegn key. Period. Messing with arrays will only lead you to heartache ... Try the book "Database Design For Mere Mortals" for a primer on SQL DB design. -- -Josh BerkusAglio Database SolutionsSan Francisco
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