---- Comments--SELECT 'trailing' AS first; -- trailing single lineSELECT /* embedded single line */ 'embedded' AS second;SELECT /* both embedded and trailing single line */ 'both' AS third; -- trailing single lineSELECT 'before multi-line' AS fourth;/* This is an example of SQL which should not execute: * select 'multi-line'; */SELECT 'after multi-line' AS fifth;/* and this is the end of the file */