12th September 2019: PostgreSQL 12 Beta 4 Released!
Unsupported versions: 7.0
This documentation is for an unsupported version of PostgreSQL.
You may want to view the same page for the current version, or one of the supported versions listed above instead.

Comments

A comment is an arbitrary sequence of characters beginning with double dashes and extending to the end of the line, e.g.:

-- This is a standard SQL comment
    
We also support C-style block comments, e.g.:
/* multi
   line
   comment
 */
    
A comment beginning with "/*" extends to the first occurrence of "*/".