New versions: Dev (3.15) | Latest (3.14) | 3.13 | 3.12 | 3.11 | 3.10 | 3.9 | 3.8 | Old versions: 3.7 | 3.6 | 3.5 | 3.4 | 3.3
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 (log(8) / log(2)) -- CUBRID, FIREBIRD, H2, MARIADB, MYSQL, ORACLE, POSTGRES log(2, 8) -- DB2, DERBY, HSQLDB, INGRES, SYBASE (ln(8) / ln(2)) -- INFORMIX (logn(8) / logn(2)) -- SQLSERVER log(8, 2) -- AURORA_MYSQL, AURORA_POSTGRES, BIGQUERY, COCKROACHDB, EXASOL, HANA, IGNITE, MEMSQL, REDSHIFT, SNOWFLAKE, SQLDATAWAREHOUSE, -- SQLITE, TERADATA, VERTICA /* UNSUPPORTED */
(These are currently generated with jOOQ 3.15, see #10141)
Feedback
Do you have any feedback about this page? We'd love to hear it!