TO_BASE64

Description

The TO_BASE64 function is used to convert an input string to Base64 encoded format. Base64 encoding can convert any binary data into a string composed of 64 characters.

Syntax

TO_BASE64(<str>)

Parameters

Parameter	Description
<str>	The string to be Base64 encoded. Type: VARCHAR

Return Value

Returns VARCHAR type, representing the Base64 encoded string.

Special cases:

• If input is NULL, returns NULL
• If input is an empty string, returns an empty string

Examples

1. Single character encoding

SELECT to_base64('1');

+----------------+
| to_base64('1') |
+----------------+
| MQ==           |
+----------------+

2. Multiple character encoding

SELECT to_base64('234');

+------------------+
| to_base64('234') |
+------------------+
| MjM0             |
+------------------+