IMS DB Tutorial

Discuss IMS DB

Discuss IMS DB Advertisements Previous Page Next Page   IMS stands for Information Management System. IMS was developed by IBM with Rockwell and Caterpillar in year 1966 for the Apollo program to send a man to the moon. It started the database management system revolution and still continues to evolve to meet data processing requirements….

IMS DB – Useful Resources

IMS DB – Useful Resources Advertisements Previous Page Next Page   The following resources contain additional information on IMS DB. Please use them to get more in-depth knowledge on this topic. Useful Links on IMS DB IBM IMS – IBM’s official page for IMS Wikipedia – Wikipedia reference for IBM Information Management System Useful Books…

IMS DB – Quick Guide

IMS DB – Quick Guide Advertisements Previous Page Next Page   IMS DB – Overview A Brief Overview Database is a collection of correlated data items. These data items are organized and stored in a manner to provide fast and easy access. IMS database is a hierarchical database where data is stored at different levels…

IMS DB – Logical Database

IMS DB – Logical Database Advertisements Previous Page Next Page   IMS database has a rule that each segment type can have only one parent. This limits the complexity of the physical database. Many DL/I applications require a complex structure that allows a segment to have two parent segment types. To overcome this limitation, DL/I…

IMS DB – Recovery

IMS DB – Recovery Advertisements Previous Page Next Page   The database administrator needs to plan for the database recovery in case of system failures. Failures can be of many types such as application crashes, hardware errors, power failures, etc. Simple Approach Some simple approaches to database recovery are as follows − Make periodical backup…