Too Length(y) to Measure


LENGTH

Syntax: LENGTH ( string )

Parameters: The string to return the length for.

Return type: The LENGTH function returns a numeric value. If string is NULL, LENGTH function will return NULL.

Usage:
HR Manager has decided to assign cadre on the basis of the number of digits in the salary of employee. Manager to Data analyst: Bring me the list of all employees and the number of digits in their salaries. Data analyst runs below query to fetch the required data.

SELECT EMPLOYEE_ID, FIRST_NAME, LAST_NAME, LENGTH(SALARY) AS NO_OF_DIGITS FROM EMPLOYEES;

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