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COMPUTER SCIENCE - Coggle Diagram
COMPUTER SCIENCE
Database
differences between data and information.
differences between an information system and a database.
need for databases.
Database transaction
ACID PROPERTIES
two functions databases require to be performed on them
Types of relationships
Data redundancy
Importance of referential integrity
Data normalization
ER diagrams
7 views
DDL commands and DML commands
Query
3 tiers, 3 levels of architecture
Data dictionary
SQL
Data modelling
Keys
Functions and roles of DBMS
System fundamentals
Legacy system
Organizational issues
SAAS
On Premise
Alternative Installation process
Data migration
Types of testing
Internal documentation
External documentation
Different methods of providing user document
Causes of data loss
Range of methods to prevent data loss
Ways a company gets info they need from stakeholder
Prototype
Social and ethical issues
Usability problems with digital devices
Computer organization:
Inside the CPU
Buses
Fetch, Decode, Execute, Store
Primary memory
Operating system brief definition
GUI and CLI differences
Binary, octal, hexadecimal
Logic gates