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SIGN

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

The SIGN() function produces the sign of a numeric value, being any value of -1, 0, 1

SELECT sign(-5), sign(0), sign(3);
create.select(sign(-5), sign(0), sign(3)).fetch();

The result being

+------+------+------+
| sign | sign | sign |
+------+------+------+
|   -1 |    0 |    1 |
+------+------+------+

Dialect support

This example using jOOQ:

sign(3)

Translates to the following dialect specific expressions:

Access

sgn(3)

ASE, Aurora MySQL, Aurora Postgres, BigQuery, ClickHouse, CockroachDB, DB2, Derby, DuckDB, Exasol, Firebird, H2, HSQLDB, Hana, Informix, MariaDB, MemSQL, MySQL, Oracle, Postgres, Redshift, SQLDataWarehouse, SQLServer, Snowflake, Sybase, Teradata, Trino, Vertica, YugabyteDB

sign(3)

SQLite

CASE
  WHEN 3 > 0 THEN 1
  WHEN 3 < 0 THEN -1
  WHEN 3 = 0 THEN 0
END
Generated with jOOQ 3.20. Translate your own SQL on our website

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