Fluke 750SW, Руководство пользователя

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Advanced Queries
21.1 Advanced Queries
21
21-9
Figure 21.6
21.1.3 Action Button Sets
21.1.3.1 Action Buttons Set 1 (shown beside the Selection Criteria During Query
Execution box)
21.1.3.1.1 Remove
To remove selection criteria from the Selection Criteria During Query Execution box,
select any portion of the line of text with your mouse and click the Remove button.
21.1.3.1.2 Group
When you have multiple sets of selection criteria in your query, the Group button may be
used to put parentheses around those sets that you want to keep together. For example,
imagine you have built a query with the following three sets of selection criteria:
(Status = In Service
OR Status = Out of Service) AND Cal Due Date = Today
Using the Group button to put parentheses around the first two sets of selection criteria
forces the system to use them together. This will result in a query list consisting of two
types of instruments. Some will have a status of “In Service” and a calibration due date
equal to today’s date; the others will have a status of “Out of Service” and a calibration
due date equal to today’s date.
If you do not group the statuses together, the system will pull up a list with two other
types of instruments. Some will have a status of “Out of Service” and a calibration due
date equal to today’s date, while the others will have a status of “In Service” with no
regard to calibration due date.
To group two or more sets of selection criteria together, highlight them with your mouse
and click the Group button. You will notice that when you do this, an extra set of
parentheses appears around those sets of selection criteria.
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