SQL - Comments

Overview

Comments document intent and disable code. Use -- for single-line, /* ... */ for block comments.

-- single line
/* block comment */
SELECT 1; -- trailing comment

-- single line
/* block comment */
SELECT 1; -- trailing comment

-- single line
/* block comment */
SELECT 1; -- trailing comment

Tips

• Place comments on their own lines or after a statement.
• Avoid nesting block comments.
• Keep comments concise and maintain them as code evolves.