UK ['e?vɡ] US ['e?vɡ]
abbr.?? ??
mysql AVG() ?? ???
??: AVG ??? ?? ?? ???? ?????. NULL ?? ??? ???? ????.
??: ??SELECT AVG(column_name) FROM table_name
UK ['e?vɡ] US ['e?vɡ]
abbr.?? ??
??: AVG ??? ?? ?? ???? ?????. NULL ?? ??? ???? ????.
??: ??SELECT AVG(column_name) FROM table_name