SQL|Comparing COUNT(*)-COUNT(1)-COUNT('a')-COUNT(col_nm)-COUNT(DISTINCT col_nm)|Common SQL question?

SQL|Comparing COUNT(*)-COUNT(1)-COUNT('a')-COUNT(col_nm)-COUNT(DISTINCT col_nm)|Common SQL question?

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SQL Aggregate Functions | COUNT, SUM, AVG, MAX, MIN | #SQL Course 21
SQL Aggregate Functions | COUNT, SUM, AVG, MAX, MIN | #SQL Course 21
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