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The Relational Database

A fish must swim three times—in water, in butter, and in wine.

—POLISH PROVERB

Topics Covered in This Chapter

What Is a Database?

The Relational Database

What’s Next?

Summary

Review Questions

The relational database has been in existence for 50 years as of this writing. Yes, that’s right—50 years! It continues to be a multibillion dollar industry, is still the most widely used type of database, has weathered changes in the database world, has stood the test of time, and is an essential part of our everyday lives. It is very likely that you are using a relational database every time you purchase goods online or at ...

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