mysql comment

1-- This is a SQL Comment
2
3/* 
4This is a multi-line
5SQL comment 
6*/

1mysql> SELECT 1+1;     # This comment continues to the end of line
2mysql> SELECT 1+1;     -- This comment continues to the end of line
3mysql> SELECT 1 /* this is an in-line comment */ + 1;
4mysql> SELECT 1+
5/*
6this is a
7multiple-line comment
8*/
91;

1#this is a comment
2-- this is a comment but requires a whitespace/tab/newline after the double -

1mysql comments