VSAM provides high-performance data storage techniques optimized for large mainframe file systems. VSAM Dataset Typologies
CICS uses a table-driven architecture. Executing a transaction requires several core system control programs working in tandem with definitions stored in system tables. Control Program Associated Table Task Control Program mainframe refresher part 2 by muthu PDF FORMAT
Virtual Storage Access Method (VSAM) remains the primary non-relational file system on IBM mainframes. High-performance tuning requires a deep understanding of its internal structures. 1. Dataset Configurations mainframe refresher part 2 by muthu PDF FORMAT