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Aggregate functions in SQL are powerful and quite popular.
In this video, you'll learn what aggregate functions are, see examples of the five functions available, learn how to filter results, how to group results, and how to apply filters to groups.
⏱ TIMESTAMPS:
00:00 - What are aggregate functions?
00:34 - Counting rows
01:28 - Adding a column header
02:12 - Summing values
03:01 - Maximum values
04:13 - Minimum values
04:32 - Averages
05:13 - Grouping
06:51 - Filtering
🔗 VIDEO LINKS:
SQL scripts used in this video: [ Ссылка ]
