Tag: IBM

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How Many Tables?

(Troy Coleman) Depending on the database management system you support, you may have a different understanding as to what a database is. A DB2 for z/OS database is a collection of tables and table and index spaces. When you create a database, an internal representation of that database is maintained

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IMS at 40: Stronger than Ever

(Kim Moutsos) Putting a man on the moon is a tough act to follow. But 40 years on, the Information Management System (IMS) star hasn’t dimmed. In fact, IBM’s hierarchical database management system, developed to track bills of material for lunar-bound Apollo spacecraft, continues to expand its custo