REVERSE function [String]

Function

Takes one argument as an input of type BINARY or STRING and returns the specified string with characters listed in reverse order.

Syntax

REVERSE ( expression | uchar_expr )

Parameters

expression is a character or binary-type column name, variable, or constant expression of CHAR, VARCHAR, NCHAR, NVARCHAR, BINARY, or VARBINARY type.

Example 1

select reverse("abcd")
----
dcba

Example 2

select reverse(0x12345000)
----------
0x00503412

Usage

REVERSE, a string function, returns the reverse of expression.
If expression is NULL, reverse returns NULL.
Surrogate pairs are treated as indivisible and are not reversed.

Permissions

Any user can execute REVERSE.

Standards and compatibility

ANSI SQL – Compliance level: Transact-SQL extension

See also

Functions “LOWER function [String]” and “UPPER function [String]”.

For general information about string functions, see “String functions”.