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database - Coggle Diagram
database
classified by
NON
relational data models
flat-file
sequentionally organised in single table
network
graph
PRO: NO redundancy, flexible
VS: complex
hierarchical
tree-like structure
VS
rigidity
redundancy
object-oriented
data is stored as obj, (belonging to a class)
relational data models
DBMS
software system that stores and organises data
retrieves data for application programmes
contains data files