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ACOS

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

The ACOS() function calculates the arc cosine of a numeric value.

SELECT acos(0);
create.select(acos(0)).fetch();

The result being

+------------+          
|       acos |
+------------+
| 1.57079633 |
+------------+

Dialect support

This example using jOOQ:

acos(0)

Translates to the following dialect specific expressions:

-- ACCESS
(atn((-(0) / sqr(((-(0) * 0) + 1)))) + (2 * atn(1)))

-- ASE, AURORA_MYSQL, AURORA_POSTGRES, COCKROACHDB, CUBRID, DB2, DERBY, FIREBIRD, H2, HANA, HSQLDB, INFORMIX, INGRES, MARIADB, 
-- MEMSQL, MYSQL, ORACLE, POSTGRES, REDSHIFT, SQLDATAWAREHOUSE, SQLSERVER, SYBASE, TERADATA, VERTICA
acos(0)

-- SQLITE
/* UNSUPPORTED */

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

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