Re: Views- Advantages and Disadvantages
От | woodb@niwa.co.nz |
---|---|
Тема | Re: Views- Advantages and Disadvantages |
Дата | |
Msg-id | 61792.203.97.249.147.1178697241.squirrel@secure.niwa.co.nz обсуждение исходный текст |
Ответ на | Re: Views- Advantages and Disadvantages ("Andrej Ricnik-Bay" <andrej.groups@gmail.com>) |
Список | pgsql-general |
> On 5/9/07, Ashish Karalkar <ashish.karalkar@info-spectrum.com> wrote: > > Hello All, > Can anybody please point me to Advantages and Disadvantages > of using view Hi Ashish, There are several, but they are generally about implementing a more user friendly database from a well normalised structure. You can use views to do any or all of: act as a filter on fields or records which can be accessed by given users, act as a stored query to avoid writing a commonly used SQL, aggregate normalised tables into a single virtual table, so that access does not require as complex a join, thus it can hide the complexity of the database structure from applications or users. An example use is to have a view which provides only the current version of data from a database which stores multiple versions of the data. Cheers, Brent Wood
В списке pgsql-general по дате отправления: