CompTIA Tech+ CertMike: Prepare. Practice. Pass the Test! Get Certified!, 2nd Edition

CHAPTER 30Database Structures: Objective 5.3: Compare and contrast various database structures

The data we work with every day comes in varying degrees of structure and may be in different formats as we store and process it. All data resides on a spectrum, ranging from highly structured tables to very unstructured, poorly organized, data. We store this data in different types of databases, both relational and nonrelational systems.

In this chapter, you’ll learn the material that you need to know about Tech+ objective 5.3. The topics covered in this chapter include:

• Structured vs. semi-structured vs. nonstructured
• Relational databases
• Nonrelational databases

STRUCTURING DATA

When you think of data, chances are that spreadsheets come ...