Chapter 6. Overview of the IMS Database Manager
You can order and install the IMS Database Manager (IMS DB) with or without the IMS Transaction Manager (IMS TM).
In This Chapter
• IMS Database Manager Overview
• Implementation of IMS Databases
• Storing Data in IMS and DB2 for z/OS
IMS Database Manager Overview
A database management system (DBMS) provides facilities for business application transactions or processes to access stored information. The role of a DBMS is to provide the following functions:
• Allow access to the data for multiple users from a single instance of the data.
• Control concurrent access to the data to maintain integrity for all updates.
• Minimize hardware device and operating ...
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