User's Guide to DATATRIEVE-11

This user's guide provides a comprehensive introduction and reference to the DATATRIEVE-11 language, a tool for interactive data extraction, reporting, and file manipulation. It details command syntax, inquiry and update procedures, report writing, and administrative tasks such as defining data dictionaries and implementing data protection through passwords and privileges. Designed for programmers familiar with RMS-11 file structures, the document includes chapters on general concepts, basic syntax, inquiry commands, report writing facilities, procedural definitions, and data administration.