EPISODE · Dec 30, 2018 · 5 MIN
Flat file VS RDBMS
from Informatics Overload · host Matthew Cumming
In this episode I discuss Unit 3 Outcome 1 Key Knowledge points 5 AND 7, purposes and structure of an RDBMS, including comparison with flat file databases, AND a methodology for creating an RDBMS structure: identifying entities, defining tables and fields to represent entities; defining relationships by identifying primary key and foreign key fields; defining data types and field sizes; normalisation to third level.
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