ATAN

Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition

The ATAN() function calculates the arc tangent of a numeric value.

SELECT atan(1);

create.select(atan(1)).fetch();

The result being

+-------------+          
|        atan |
+-------------+
| 0.785398163 |
+-------------+

Dialect support

This example using jOOQ:

atan(1)

Translates to the following dialect specific expressions:

-- ACCESS
atn(1)

-- ASE, CUBRID, DB2, DERBY, FIREBIRD, H2, HANA, HSQLDB, INFORMIX, INGRES, MARIADB, MYSQL, ORACLE, POSTGRES, REDSHIFT, 
-- SQLSERVER, SYBASE, VERTICA
atan(1)

-- AURORA_MYSQL, AURORA_POSTGRES, BIGQUERY, COCKROACHDB, EXASOL, IGNITE, MEMSQL, SNOWFLAKE, SQLDATAWAREHOUSE, SQLITE, 
-- TERADATA
/* UNSUPPORTED */

(These are currently generated with jOOQ 3.15, see #10141)

The jOOQ User Manual : SQL building : Column expressions : Numeric functions : ATAN

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