1LCASE ( <str> )

1SELECT LOWER("AbC123"),LCASE("AbC123")

1+-----------------+-----------------+
2| lower('AbC123') | lower('AbC123') |
3+-----------------+-----------------+
4| abc123          | abc123          |
5+-----------------+-----------------+
6```",
7    "language": "zh-CN"
8}
9---
10
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29
30## 描述
31
32将参数中所有的字符串都转换成小写。
33
34## 别名
35
36- LOWER
37
38## 语法
39
40```sql
41LCASE ( <str> )

1SELECT LOWER("AbC123"),LCASE("AbC123")

1+-----------------+-----------------+
2| lower('AbC123') | lower('AbC123') |
3+-----------------+-----------------+
4| abc123          | abc123          |
5+-----------------+-----------------+