You can order and install the IMS Database Manager (IMS DB) with or without the IMS Transaction Manager (IMS TM).
In This Chapter
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 ...