It is assumed that you have a running TYPO3 CMS system (if not, please refer to the Installation Guide) and that you have been through the Getting Started Tutorial in order to have a general idea of how the TYPO3 CMS backend operates.
You may also want to have been through the Editors Tutorial in order to be familiar with the concepts of pages and content elements.
A few more elements that you need to know before starting:
all content elements are stored in a database table called
each content element has a database field called
CTypein which the type of the content element is stored
tt_contenttable also has a field called
pidwhich refers to the page the content element is on
in general, each TYPO3 CMS table has a field called
uidwhich contains the primary key (unique id for each record)
you will probably find useful to have a database access to check how information is stored as we proceed along this tutorial