This is an error in the spelling or grammar used when coding. Missing a letter, character or forgetting to include inverted commas/speech marks are common examples of ...

I have a need to handle errors in SQL scripts that i'm working with.<BR><BR>Frequently these errors contain syntax problems and other things like create/drop constraints, not exist..

If you want to use these characters without triggering a function or casuing a syntax error, they need to be escaped. Dollar Sign ($) Used to declare and access variables.