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Question: What is the syntax for creating variables in E3Query? Solution: To create a variable, just inform any name between these symbols:         for a numeric value. ‘‘       for a…

Question: How can I set an SQL query (Access database) to retrieve the tag’s maximum, minimum, and average values? Solution: To do so, you must use MAX, MIN, and AVG…

Question: How can I query a certain period (initial and final date), while also adding filter it by hour within this period? (For example: the query must return data only…

Question: How can I have an SQL query return values every ten minutes, even when the Historic keeps recording these values every second? Example: 4h 30min – tag1 = 1…