Windows Management Instrumentation Query Language (WQL) is
Microsoft
Microsoft Corporation is an American multinational technology corporation producing computer software, consumer electronics, personal computers, and related services headquartered at the Microsoft Redmond campus located in Redmond, Washing ...
's implementation of the
CIM Query Language (CQL), a query language for the
Common Information Model (CIM) standard from the
Distributed Management Task Force (DMTF). It is a subset of
ANSI standard
SQL with minor semantic changes.
WQL is dedicated to
WMI and is designed to perform queries against the
CIM repository to retrieve information or get event notifications.
Example
As an example, the following WQL query selects all the
drives on a computer that have less than 2 MB of free space:
WMI Queries
/ref>
SELECT * FROM Win32_LogicalDisk WHERE FreeSpace < 2097152
See also
* Windows Management Instrumentation
Windows Management Instrumentation (WMI) consists of a set of extensions to the Windows Driver Model that provides an operating system interface through which instrumented components provide information and notification. WMI is Microsoft's impl ...
(WMI)
* Common Information Model (CIM)
* Web-Based Enterprise Management (WBEM)
* Windows PowerShell
PowerShell is a task automation and configuration management program from Microsoft, consisting of a command-line shell and the associated scripting language. Initially a Windows component only, known as Windows PowerShell, it was made open-sourc ...
References
External links
Querying with WQL
WQL Operators
WQL-Supported Date Formats
WQL-Supported Time Formats
WQL (SQL for WMI)
Using WQL with the WMI Provider for Server Events
WMI Queries
Learn WMI Query Language using PowerShell
{{DMTF Standards
Windows technology
SQL