Lesson 9 of 20
Analyze dates and periods
Filter for an unambiguous period and build repeatable monthly indicators.
32 minSQL Essentials
By the end of this lesson
- Filter a period with an exclusive upper bound
- Extract year and month
- Group events by period
SQL Essentials
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Analyze dates and periods is part of the complete programme: 20 lessons, 44 verifiable exercises and 2 published guided projects.
- Complete content with explained examples
- SQL simulator and expected result
- Detailed answer, common mistakes and challenge