Drupal 5

No, one of the benefits of the CCK is that it manages the dabase tables for you including table creation and collumn management. When you add a new field via cck, it automatically generates one or more collumns, depending on the field type you selected. Those collumns will get added to a table called "content_type_[contentTypeMachineName]".

If you have multiple content types and wish to add similarly named fields for each, there are two items to look out for. When creating a field of the same name on two different content types you have two options:
1. Add exiting field

Recipe for creating a node module skeleton:
1. Create three files using the code snippets at the bottom of this post

• foo.info
• foo.module
• foo.theme

Note: replace foo with your module name. If this is for a specific project, use project codes in the format [pc][nodetype]

2. do the following search and replace on all three files
"[pc]foo" -> [pc][nodetype]
"foo" -> [nodetype]

foo.info code:

; $Id $
name = "Foo"
description = "Foo posts."
package = 
dependencies =

foo.module code: