May 2007
Beginner
320 pages
8h 23m
English
When novices first write WMI scripts, they nearly all begin by asking for every property from every instances of a class. For example, the queries will say "tell me everything about every process". (This is also referred to as the infamous "select * query".) This approach can often return an overwhelming amount of data, particularly when you are querying a class such as installed software or processes and threads. Rarely would one need to have so much data. Typically, when looking for installed software, you're looking for information about a particular software package.
There are, however, several occasions when I want to use the "tell me everything about all instances of a particular class" query, including ...
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