====== The Database Abstraction Layer ======
This lesson shows the basic usage of the database abstraction layer
~~NOTOC~~
<WRAP right box half>
===== Other Guides =====
[[v5:reference:reference_index|Reference Guide]]\\
[[project:include_file_guide|Include File Guide]]\\
[[v5:userguide:portable_sql|Writing Portable SQL]]\\
[[v5:userguide:mysql_tutorial|Migrating MySQL applications to ADOdb]]\\
[[v5:userguide:error_handling|Customizing Error Handling]]\\
[[v5:userguide:stored_procedure|Stored Procedure Example]]\\
[[v5:userguide:deprecated|Deprecated Functionality]]\\
</WRAP>
<doctoc start=v5:userguide:learn_abstraction:start_lesson, useheading=1, includeheadings=2-5>