Page 16 -

5: daTabaSe ProCeSSInG 195 Contents 15

Q5-1 What Is the Purpose of a Database? 197
Q5-2 What Is a Database? 199

Relationships Among Rows 200
Metadata 201
• Ethics Guide: Querying Inequality? 202
Q5-3 What Is a Database Management System (DBMS)? 204

• So What? Not What the Data Says . . . 205
Q5-4 How Do Database Applications Make Databases More
Useful? 206
Traditional Forms, Queries, Reports, and Applications 208
Browser Forms, Reports, Queries, and Applications 209
Multi-user Processing 211
Q5-5 How Are Data Models Used for Database Development? 212
What Is the Entity-Relationship Data Model? 212

Q5-6 How Is a Data Model Transformed into a Database Design? 215
Normalization 216
Representing Relationships 217
Users’ Role in the Development of Databases 219

Q5-7 How Can Falcon Security Benefit from a Database System? 221

Q5-8 2026? 222
• Security Guide: Theft by SQL Injection 224
• Guide: Immanuel Kant, Data Modeler 226
Case Study 5: Searching for Classic and Vintage Car Parts . . . 231

6: The CloUd 237

Q6-1 Why Is the Cloud the Future for Most Organizations? 239
What Is the Cloud? 239
Why Is the Cloud Preferred to In-House Hosting? 242
Why Now? 243
When Does the Cloud Not Make Sense? 243
Q6-2 What Network Technology Supports the Cloud? 243

• Ethics Guide: Cloudy Profit? 244
What Are the Components of a LAN? 246
Connecting Your LAN to the Internet 248
Q6-3 How Does the Cloud Work? 249

An Internet Example 249
Carriers and Net Neutrality 250