Chapter 26. Using DQL and API Commands

Having gone through most of the chapters in this book, you should now have a good understanding of the Documentum system, the Content Server, and the critical bits and pieces in Documentum WCM architecture. As an experienced developer, you ought to have a good understanding of some basic Documentum DQL (Document Query Language) queries and API commands for system troubleshooting and administration/monitoring purposes.

DQL queries and API commands are extremely handy tools when you need to inspect the Documentum system, its contained object types, and their attributes. Both DQL and API ultimately serve the same purpose of querying and making modifications to objects in the Docbase, but they have their own advantages and limitations.

While API commands work on one object at a time, DQL queries can be issued over multiple objects in a run. This chapter will discuss some important API commands and DQL queries that every Documentum professional should be aware...