What are the different ways to comment multiple lines in SQL?

In SQL, there are several ways to write multi-line comments.

1. Use:
2. This is a multiline comment.
   SELECT * FROM table_name;
3. Annotate each line with a comment.
4. This is a multi-line comment.
5. Combine the use of / and – :
6. This is a multi-line comment. Execute SELECT * FROM table_name;

It is important to note that different database management systems may have different syntax for multi-line comments, so when using them, you should follow the requirements of that particular database management system.