left.md

left

description

Syntax

VARCHAR left(VARCHAR str)

它返回具有指定长度的字符串的左边部分, 长度的单位为「utf8字符」

example

MySQL > select left("Hello starrocks",5);
+------------------------+
| left('Hello starrocks', 5) |
+------------------------+
| Hello                  |
+------------------------+

keyword

LEFT