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Summary System Analysis Summaries

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2023/2024 Written for academic year
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System Analysis (SAND)
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Documentation goes in depth for Learning Unit 5 Chapter 9.

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LEARNING UNIT 5: CHAPTER 9

, DATABASE SCHEMA
 Organization of individual stored data items into higher level groups, such as tables.
 Associations among tables or classes
 Details of physical data store organization, including types, lengths, locations, and indexing
of data items
 Access and content controls, including allowable values for specific data items, value
dependencies among multiple data items, and lists of users allowed to read or update data
items



CHARACTERISTICS OF A DBMS
 Simultaneous access by many users and many applications
 Direct access to data with a data interface
 Uniform and consistent access
 Integration and distribution of data across multiple servers



DA AND DBA RESPONSIBILITES




WHAT IS A RELATIONAL DATABASE?
PARTIAL DISPLAY OF A RELATIONAL DATABASE TABLE

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