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LOG
Applies to ✅ Open Source Edition ✅ Express Edition ✅ Professional Edition ✅ Enterprise Edition
The LOG() function calculates the logarithm of a numeric value, given a base.
SELECT log(8, 2);
create.select(log(8, 2)).fetch();
The result being
+-----+ | log | +-----+ | 3 | +-----+
Dialect support
This example using jOOQ:
log(8, 2)
Translates to the following dialect specific expressions:
ASE, Access
(log(8) / log(2))
Aurora MySQL, Aurora Postgres, Exasol, Firebird, H2, Hana, MariaDB, MemSQL, MySQL, Oracle, Postgres, Redshift, Snowflake, Trino, Vertica, YugabyteDB
log(2, 8)
BigQuery, SQLDataWarehouse, SQLServer
log(8, 2)
ClickHouse, DB2, Derby, DuckDB, HSQLDB, SQLite, Sybase, Teradata
(ln(8) / ln(2))
CockroachDB
(ln(CAST(8 AS decimal)) / ln(CAST(2 AS decimal)))
Informix
(logn(8) / logn(2))
Generated with jOOQ 3.20. Translate your own SQL on our website
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