November 2006
Intermediate to advanced
168 pages
3h 17m
German
Content preview from MySQL: kurz & gut
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| DECLARE |
DECLARE Variablenname [, ...] Typ [DEFAULT Wert]
DECLARE Bedingungsname CONDITION FOR
{SQLSTATE [VALUE] Sqlstate-Wert | Mysql-Fehlercode}
DECLARE Handler-Typ HANDLER FOR
{Bedingungsname|SQLSTATE [VALUE] Sqlstate-Wert | Mysql-Fehlercode}
Handler-Anweisung
DECLARE Cursor-Name CURSOR FOR Select-Anweisung
Die DECLARE-Anweisung wird verwendet, um verschiedene lokale Elemente für eine Routine oder einen Block zu definieren: lokale Variablen, Bedingungen, Handler und Cursor. DECLARE-Anweisungen dürfen nur am Anfang von BEGIN...END-Blöcken stehen und müssen allen anderen Anweisungen vorangehen. Wenn mehrere lokale Elemente deklariert werden, müssen die Deklarationen in folgender Reihenfolge stattfinden: Variablen, Bedingungen, Cursor, Handler. ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.