What are Aggregate functions in SQL

added article SQL

2022-09-29 10:29:09

In database management an aggregate function is a function where the values of multiple rows are grouped together as input on certain criteria to form a single value of more significant meaning. Various Aggregate Functions are as follows: 1) Count() 2) Sum() 3) Avg() 4) Min() 5) Max() Count(): Count(*): Returns total number of records .i.e 6.Count(salary): Return number of Non...

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