Where do we exactly use tag query & alarm query??

hi all,
can anybody pls. clarify as to in what situations we actually use tag query, alarm query, & OLAP query & xml query???

Hi Sushma,
 OLAP query is used to use get the data from all the OLAP sources. But in xMII case it is preferably used to fetch data from SAP-BW. Using xml query we can get the data from xml files and also we can get the data from other query templates and business logi transactions. Using the following URL's
for query template : http://<server name>/Lighthammer/Illuminator?QueryTemplate=<Query Template path>&Param.1=..
for business logic transaction : http://<server name>/Lighthammer/Runner?Transaction=<Transactin path>&InputParameter=<value>&OutputParameter=<OutputVariable defined in Transaction>.
 Where as Alram queries are used in the case process systems as expalined by Ravi.
 For tag queries you can find other threads already available. I think you want exact difference between the purpose of tag query and alarm query usage.
 The alarm queries are used to store the events and actions related to the process systems, where as the tag queries store the process values with respect to time.
Thanks,
Rajesh.
PS : Please award points if answer is useful.

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TagQuery
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Where do we exactly use tag query & alarm query??

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