FIRST

The FIRST() Function returns the First value of a selected column.

The basic syntax is as follows:

SELECT FIRST(Column_Name) FROM Table_Name

Employee
Emp_id	Name	Surname	Salary	Dept_id
1	Rajesh	Khanna	45000	2
2	Sneha	Gupta	55000	4
3	Sandeep	Nehte	95000	1
4	Kirti	Patil	25000	3
5	Nilesh	Jadhav	45000	3
6	Dipesh	Das	35000	5
7	Kailash	Rane	62000	1
8	Kavita	Deshpande	48000	3
9	Sanjay	Datt	50000	3
10	Shruti	Hasan	78000	1

Syntax For SQL:

SELECT Emp_id, Name, Surname, FIRST(Salary), Dept_id FROM Employee

After Execute: 

Emp_id	Name	Surname	Salary	Dept_id
1	Rajesh	Khanna	45000	2
2	Sneha	Gupta	55000	4
3	Sandeep	Nehte	95000	1
4	Kirti	Patil	25000	3
5	Nilesh	Jadhav	45000	3
6	Dipesh	Das	35000	5
7	Kailash	Rane	62000	1
8	Kavita	Deshpande	48000	3
9	Sanjay	Datt	50000	3
10	Shruti	Hasan	78000	1