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This article mainly introduces what the character conversion functions in mysql have, which can be used for reference by interested friends. I hope you can learn a lot after reading this article.

Mysql character conversion function: 1, LCASE (), can convert the string to lowercase; 2, LOWER (), can convert the string to lowercase; 3, UCASE (), can convert the string to uppercase; 4, UPPER (), can convert the string to uppercase.

The operating environment of this tutorial: windows7 system, mysql8 version, Dell G3 computer.

Mysql character conversion function

1. LCASE () function

The LCASE () function converts a string to lowercase.

Syntax: LCASE (text)

Example: convert text in "CustomerName" to lowercase

SELECT LCASE (CustomerName) AS LowercaseCustomerNameFROM Customers

2. LOWER () function

The LOWER () function converts a string to lowercase.

Syntax: LOWER (text)

Example: convert text in "CustomerName" to lowercase

SELECT LOWER (CustomerName) AS LowercaseCustomerNameFROM Customers

3. UCASE () function

The UCASE () function converts a string to uppercase.

Syntax: UCASE (text)

Example: convert text in "CustomerName" to uppercase

SELECT UCASE (CustomerName) AS UppercaseCustomerNameFROM Customers

4. UPPER () function

The UPPER () function converts a string to uppercase letters.

Syntax: UPPER (text)

Example: convert text in "CustomerName" to uppercase

SELECT UPPER (CustomerName) AS UppercaseCustomerNameFROM Customers; thank you for reading this article carefully. I hope the article "what are the character conversion functions in mysql" shared by the editor will be helpful to you. At the same time, I also hope you will support us and pay attention to the industry information channel. More related knowledge is waiting for you to learn!

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