newman1234 SQL_note issues - Githubissues

newman1234 / SQL_note

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null in sum() vs null in avg()

#3 newman1234 opened 2 years ago
0
count(COLUMN) vs count(*)

#2 newman1234 opened 2 years ago
0
order of limit, where, select, order by?

#1 newman1234 opened 2 years ago
1