Data Base Management System Programmer's Procedures Manual

This document serves as a comprehensive guide for application programmers working with the DECsystem-10 Data Base Management System (DBMS). It covers essential concepts, including schema and sub-schema management, use of the Data Manipulation Language (DML) in COBOL and FORTRAN programs, and operational environment details such as journaling for backup and recovery. The manual also includes extensive appendices on reserved words, error codes, and technical specifications for data conversion and string argument handling.