SQL Reference

Quick Reference

The MySQL ATAN2() function returns the arc tangent of two numbers.

SELECT ATAN2(2, 5);

Output

ATAN2(2, 5)
0.3805063771123649

Syntax

ATAN2(a, b)

Parameters

ParameterDescription
a, bTwo numeric values to calculate the arc tangent of

SQL Notes:

  • Any work being done to modify the structure of a database or delete tables or the the database itself should only be done after making a recent backup

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