LENGTH

Returns the length of a given input string or binary value. In the case of strings, the length represents the count of characters, with each UTF-8 character considered as a single character. For binary data, the length corresponds to the number of bytes.

Syntax

LENGTH(<expr>)

Aliases

• CHAR_LENGTH
• CHARACTER_LENGTH
• LENGTH_UTF8

Return Type

BIGINT

Examples

SELECT LENGTH('Hello'), LENGTH_UTF8('Hello'), CHAR_LENGTH('Hello'), CHARACTER_LENGTH('Hello');

┌───────────────────────────────────────────────────────────────────────────────────────────┐
│ length('hello') │ length_utf8('hello') │ char_length('hello') │ character_length('hello') │
├─────────────────┼──────────────────────┼──────────────────────┼───────────────────────────┤
│               5 │                    5 │                    5 │                         5 │
└───────────────────────────────────────────────────────────────────────────────────────────┘