January 2005
Beginner to intermediate
928 pages
22h 14m
English
book
Understanding DB2®: Learning Visually with Examples
by Raul F. Chong, Clara Liu, Sylvia F. Qi, Dwaine R. Snow
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11.4. Changing Isolation Levels
The isolation level is not bound to a database. Each application can use a different isolation level so that a different locking mechanism can be applied. Isolation levels can be set at different levels:
Session level
Application level
Statement level
The following sections describe each of these levels.
11.4.1. Using the DB2 Command Window
The current isolation level is stored in a DB2 special register called CURRENT ISOLATION. The special register is a value with two characters (data type of CHAR(2)) of the current isolation level for any dynamic SQL statements issued within the current session.
To obtain the current isolation level value, connect to the database and issue either of these statements:
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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.