Chapter 26
Compare and Contrast Various Database Structures
There are many types of database structures, and in this chapter you learn how they are similar and different. This chapter covers CompTIA IT Fundamentals+ Objective 5.2: Compare and contrast various database structures. Topics covered include the following:
Structured vs. semi-structured vs. nonstructured
Relational databases (schema, tables, rows/records, fields/columns, primary key, foreign key, constraints)
Nonrelational databases (key/value databases, document databases)
Foundation Topics
Structured vs. Semi-Structured vs. Nonstructured
Most people believe that the only type of data structure used in a database is structured (rows and columns), and if data can’t be structured, ...
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