What are aggregate functions give any 2 examples?

Question

Some common aggregate functions include: Average (also called arithmetic mean) Count. Maximum. Minimum. Range. NaNmean (the mean ignoring NaN values, also known as "nil" or "null") Median. Mode.

What are aggregate functions with example?

Example: Write a query to return number of rows where salary > 20000. COUNT(*): Counts all the number of rows of the table including null. COUNT( COLUMN_NAME): count number of non-null values in column. COUNT( DISTINCT COLUMN_NAME): count number of distinct values in a column.

What are aggregate function in SQL give any two examples?

An aggregate function in SQL performs a calculation on multiple values and returns a single value. SQL provides many aggregate functions that include avg, count, sum, min, max, etc. An aggregate function ignores NULL values when it performs the calculation, except for the count function.

What do you mean by aggregate functions explain any two?

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. 1) Count() 2) Sum() 3) Avg() 4) Min() 5) Max()

Expert · Answer