Re: What is the advantage
От | Gémes Géza |
---|---|
Тема | Re: What is the advantage |
Дата | |
Msg-id | 3FC22BEF.806@kzsdabas.sulinet.hu обсуждение исходный текст |
Ответ на | Re: What is the advantage ("William ZHANG" <uniware@zedware.org>) |
Список | pgsql-admin |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 William ZHANG írta: | ""Ivan"" <zenzo@net.hr> Writes news:3fbfbbfe.2dd6.0@net.hr... | |>As I am new in the world of PostgreSQL I would like to know what are the |>advantages of using it. | IMHO: Stored procedures Triggers Views Rules With them you can embeed your aplications logic right in the database, instead of implementing it on the (database) client application, in this way no mather how you connect to the database, from psql, a webap, or a GUI application you will "see" the same thing. E.g. if for a payment are allowed sums between $100 and $1000 you could prevent inserting other values by defining a trigger. Or if modifying some data in a table should happen when you insert something in an other table, you could write a rule, for it. Best Regards, Geza Gemes -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQE/wivv/PxuIn+i1pIRAs/iAJ9lEdNe0CfXYw15zLuuLS+LBdkqcgCfQ3cU h9yVsRMWTX7F99zLd/PoV1o= =FP5A -----END PGP SIGNATURE-----
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