IMS DB – Recovery 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 copies of important datasets so that […]
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IMS DB – Structure Hierarchical Structure An IMS database is a collection of data accommodating physical files. In a hierarchical database, the topmost level contains the general information about the entity. As we proceed from the top level to the bottom levels in the hierarchy, we get more and more information about the entity. Each […]
IMS DB Questions and Answers IMS DB Questions and Answers has been designed with a special intention of helping students and professionals preparing for various Certification Exams and Job Interviews. This section provides a useful collection of sample Interview Questions and Multiple Choice Questions (MCQs) and their answers with appropriate explanations. SN Question/Answers Type 1 […]