1. Hard disk: computer accessories used to store data. It is a non-volatile memory. The C drive, D drive, and E drive in the computer usually refer to the hard disk.
So even if you turn off t
Tag: Concept
PowerDesigner (5) – Concept Data Model (CDM Generate LDM, PDM and OOM)
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Conceptual Data Model (CDM): expresses the overall logical structure of data, which is independent of any software