MySQL replace and

MySQL REPLACE is a statement that allows you to replace one or more occurrences of a substring in a string with another substring. The syntax for the REPLACE statement is as follows:

REPLACE(string, from_str, to_str)

Where `string` is the original string, `from_str` is the substring to be replaced, and `to_str` is the substring to replace `from_str` with.

For example, if you have a string "Hello World" and you want to replace the substring "World" with "MySQL", you can use the following statement:

SELECT REPLACE('Hello World', 'World', 'MySQL');

The result will be "Hello MySQL".

As for "and", I'm not sure if you're asking about the use of "AND" in SQL queries or if you have a specific question about it. Can you please clarify?