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E

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

The E() function produces the Euler constant e, which is around 2.71828182846

SELECT e();
create.select(e()).fetch();

The result being

+---------------+
| exp           |
+---------------+
| 2.71828182846 |
+---------------+

Dialect support

This example using jOOQ:

e()

Translates to the following dialect specific expressions:

-- ACCESS, ASE, AURORA_MYSQL, AURORA_POSTGRES, BIGQUERY, DB2, DERBY, EXASOL, FIREBIRD, H2, HANA, HSQLDB, INFORMIX, MARIADB, 
-- MEMSQL, MYSQL, ORACLE, POSTGRES, REDSHIFT, SNOWFLAKE, SQLDATAWAREHOUSE, SQLSERVER, SYBASE, TERADATA, VERTICA, YUGABYTE
exp(1)

-- COCKROACHDB
exp(CAST(1 AS numeric))

-- SQLITE
2.718281828459045

(These are currently generated with jOOQ 3.16, see #10141), or translate your own on our website

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