Which of the following syntax of the functions in sql is used toadd column values? count(*)
count(expression)
sum(expression)
max(expression)

SUM(expression)

Explanation:

The SUM function is used to calculate the SUM of entries in a numeric column.

The syntax is as follows:

SELECT SUM(<column_name>)

FROM <table_name >

[WHERE <condition>];

For example:

Select SUM(age)

FROM employees;

COUNT is used to find the number of rows in the resultset.

MAX returns the maximum valued entry in the selected column.

1. a

2. a

3. d

explanation: