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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:
-- ACCESS, ASE, SQLITE (log(8) / log(2)) -- AURORA_MYSQL, AURORA_POSTGRES, EXASOL, FIREBIRD, H2, HANA, MARIADB, MEMSQL, MYSQL, ORACLE, POSTGRES, REDSHIFT, -- SNOWFLAKE, VERTICA, YUGABYTEDB log(2, 8) -- BIGQUERY, SQLDATAWAREHOUSE, SQLSERVER log(8, 2) -- COCKROACHDB (ln(CAST(8 AS numeric)) / ln(CAST(2 AS numeric))) -- DB2, DERBY, HSQLDB, SYBASE, TERADATA (ln(8) / ln(2)) -- INFORMIX (logn(8) / logn(2))
(These are currently generated with jOOQ 3.18, see #10141), or translate your own on our website
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