Q&A

Q1:When I create a column alias, is it saved anywhere?
A1: No. Column aliases are relative to the template file in which they're created. To save a column alias so that it can be referenced throughout your applications, use a table view.
Q2:Why do I get SQL errors when I use aggregate functions?
A2: Some aggregate functions will work only with the number data type and will return errors if they encounter a text field. Check your data types carefully before using aggregate functions.
Q3:When I use a table join, why don't I have to use the table prefixes in my <CFOUTPUT>section?
A3: Because the join does this for you. orders.name becomes name, and so on. ColdFusion returns the results of a join exactly as it would the results from any standard ...

Get Sams Teach Yourself ColdFusion® in 21 Days now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.