(2) Short for disk at once, a method of recording to CD-R disks in which all data is written in a single session.

Data Access Objects Fundamentals 
Microsoft white paper containing documentation from a technical education session about data access objects (DAO). It includes the basics of DAO programming and common techniques for manipulating data.

Introducing Data Access Objects
This guide provides information on two key aspects of Microsoft Jet: how the engine works and how to access the engine's functionality through your program. Excepted from Microsoft® Jet Database Engine Programmer's Guide.