This library contains the list of the most common queries that are ready to use.
The icon of Query Library is situated below the main query console:
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By clicking on it you will be transferred to a new window with a list of ready-to-use queries:
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Select a query you are interested in and click the button ‘Run’.
You can navigate between Categories, click on query examples and read a description of each query.
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By clicking on the 'Run' button, it will ask you to insert the required parameters, like ISSUE ID, JQL, Sprint ID, Board ID, select Project, etc (primary keys).
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Get your result! 
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