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
Content preview from Understanding DB2®: Learning Visually with Examples
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5.3. The DB2 Instance
From a user's perspective, a DB2 instance provides an independent environment where database objects can be created and applications can run. Several instances can be created on one server, and each instance can have a multiple number of databases, as illustrated in Figure 5.5.
Figure 5.5. A DB2 instance from a user's perspective
Because of these independent environments, one instance cannot “see” the contents of another instance; therefore, objects of two or more different instances can have the same name. In Figure 5.5, the database called MYDB1 is associated with instance Development, and another database also called ...
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