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SUM of Multiple columns of MySQL table

SUM of Multiple columns of MySQL table

https://www.plus2net.com/sql_tutorial/sql_sum-multiple.phphttps://www.plus2net.com/sql_tutorial/sql_sum.phpWe can get sum of all values of a particular column by using SQL SELECT SUM(mark) FROM student Adding Where condition SELECT SUM(mark) FROM student where id less than equal to 6Using GROUP BY We can get the sum of all marks of different ...

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