SQL Essentials · WHERE · ORDER BY
Isolate actually paid transactions — an energy supplier · training scenario
Isolate actually paid operations in the context of an energy supplier, with a controllable result. You must produce the result, check it on the source data and explain what it allows you to decide in this energy supplier.
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Isolate actually paid transactions — an energy supplier · training scenario is part of the complete programme: 38 lessons, 62 verifiable exercises and 8 published guided projects.
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