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SQL โ€ข LESSON 40

Arithmetic Expressions

How can SQL perform calculations while returning data?

Beginnerโฑ 2 Minutesโญ 530 XP
๐Ÿค” THE QUESTION

How can SQL perform calculations while returning data?

๐Ÿ’ก WHAT IS IT?

Arithmetic expressions allow direct numerical transformations such as salary bonuses or currency adjustments per row.

๐ŸŽฏ WHAT IS IT USED FOR?

Applying wage adjustments, tax deductions, price markups, shipping fees directly in queries.

๐Ÿ’ป EXAMPLE
SELECT
name,
salary,
salary + 5000 AS adjusted_salary
FROM employees;

๐ŸŽฏ Mission Objectives

Practice typing production-grade SQL code for Arithmetic Expressions.

  • โœ“ Addition (+)
  • โœ“ Arithmetic in SELECT
  • โœ“ Adjusted values
  • โœ“ Row-level calculations