Modifying Data

You use the SQL UPDATE statement to update one or more columns. This usually involves specifying the following:

  • The table containing the data you want to update.

  • The column or columns you want to update, preceded by the SET keyword. If you specify more than one item, each must be separated by a comma.

  • An optional WHERE clause to specify which rows to update. If no WHERE clause is provided, all rows are updated.

Try updating a row. Enter the following SQL statement (ensuring that the ID number used in the WHERE clause is the DirectorID you noted earlier).

UPDATE Directors
SET FirstName='Ben'
WHERE DirectorID = 14

Click Execute to perform the update. Again, no results will be displayed, as UPDATE doesn’t return data (although the SQL, ...

Get Adobe ColdFusion 8 Web Application Construction Kit, Volume 1: Getting Started 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.

Start your free trial