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select package & cursor



 
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tester
Участник
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Joined: 15 Jun 2009
Posts: 3

PostPosted: Mon Aug 17, 2009 4:52 pm    Post subject: select package & cursor Reply with quote

Всем привет.
Кто-нибудь может толково разъяснить,
в каких случаях следует использовать конструкцию
SELECT ... PACKAGE SIZE
и в каких применять CURSOR-ы ?

Что физически происходит в системе
и в чем отличие от простого SELECT-а?

Либо дать ссылки, где про это можно прочитать,
нигде не могу найти...
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Удав
Гуру
Гуру


Age: 48
Joined: 25 Jan 2008
Posts: 580
Location: Москва

PostPosted: Mon Aug 17, 2009 9:17 pm    Post subject: Reply with quote

Почитайте help.sap.com.
Там и про курсоры есть Wink
Заодно почитайте правила чтения данных

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С уважением,
Удав.
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