What is WMI Query Language?

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What is WMI Query Language?

The WMI Query Language (WQL) is a subset of the American National Standards Institute Structured Query Language (ANSI SQL) with minor semantic changes. Windows Management Instrumentation (WMI) supports data queries from only one class at a time.

How do I use WMI query?

How to Run a WMI Query

  1. Open a command prompt.
  2. Type WMIC to invoke the program, and hit enter.
  3. This will give you the WMIC command prompt, wmic:root\cli>
  4. From here, you can run WMI queries. The most basic is to return information on the local CPU, which can be done with the following command:

What is Wcml SCCM?

You can also select Show Query Language to enter or edit the query directly in WMI Query Language (WQL). For examples of WMI queries, see the Example WQL queries section in this article. WQL (SQL for WMI)

How do I test WMI queries?

Oftentimes, the quickest way to test the if the WMI service is working at all is to just start the WMI Control snap-in.

  1. Click Start, click Run, type wmimgmt. msc, and then click OK.
  2. Right-click WMI Control (Local), and then click Properties.

How are Associators of WMI queries different from select queries?

Just like Select queries, Associators Of queries can return either WMI objects or class definitions. There is a difference though: Select queries always return a collection of instances of one WMI class, or at least instances of classes that have the same parent class at some level.

How are Associators of keyword used in WMI?

As we saw in the previous post, Select queries can be used to retrieve instances of WMI class. But select queries are not the only way to query for instances. We can also use Associators Of keyword to the same. However, there is a difference.

How are Associators of keyword and SELECT queries the same?

We can also use Associators Of keyword to the same. However, there is a difference. Select queries always return a collection of instances of a WMI class where as “Associators Of” returns a collection of WMI objects that belong to different WMI classes or associated WMI classes.

Which is WMI class is associated with the source object?

The above query returns an instance of Win32_NetworkAdapterConfiguration associated with the source object. WMI namespace: Root\\Cimv2. WMI classes are associated by a special type of WMI classes, called association classes.