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Exam (elaborations)

SQL All-in-One 2024/2025 | 7 Books in One! Complete Guide to Databases, Queries & Data Analysis

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Master the fundamentals and advanced concepts of SQL (Structured Query Language) with the SQL All-in-One 2024/2025 Study Guide by Academic Hub. This 7-in-1 comprehensive resource is designed for beginners, students, and professionals who want to strengthen their database management and data analytics skills. What You’ll Learn Inside: SQL Basics & Database Fundamentals – Perfect for beginners. Advanced Queries & Data Analysis – Learn joins, subqueries, indexing, and optimization. Database Administration Essentials – Manage users, security, and performance tuning. Practical SQL for Business & Data Analytics – Apply SQL to real-world datasets. Hands-on Exercises & Examples – Reinforce knowledge through practice. Whether you’re preparing for a tech job interview, coursework, or data-driven projects, this guide provides step-by-step instructions, clear examples, and expert insights to help you succeed. SQL all-in-one guide 2024, SQL for beginners 2025, structured query language book, learn SQL step by step, SQL exam prep guide, SQL database queries, SQL practice exercises 2024, SQL programming textbook, SQL query optimization book, Academic Hub SQL guide, SQL 7 books in one, SQL professional training, SQL for data science and analytics, SQL hands-on practice book, SQL administration and security, SQL indexing and tuning, SQL course companion 2025, SQL coding practice guide, SQL complete reference 2024/2025, SQL data management fundamentals

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Institution
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Institution
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Uploaded on
September 28, 2025
Number of pages
800
Written in
2025/2026
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Exam (elaborations)
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,Contents at a Glance
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Book 1: Getting Started with SQL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
CHAPTER 1: Understanding Relational Databases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
CHAPTER 2: Modeling a System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
CHAPTER 3: Getting to Know SQL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
CHAPTER 4: SQL and the Relational Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
CHAPTER 5: Knowing the Major Components of SQL . . . . . . . . . . . . . . . . . . . . . . . . . . 75
CHAPTER 6: Drilling Down to the SQL Nitty-Gritty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Book 2: Developing Relational Databases . . . . . . . . . . . . . . . . . . . 133
CHAPTER 1: System Development Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
CHAPTER 2: Building a Database Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
CHAPTER 3: Balancing Performance and Correctness . . . . . . . . . . . . . . . . . . . . . . . . . 169
CHAPTER 4: Creating a Database with SQL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203

Book 3: Writing SQL Queries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
CHAPTER 1: Values, Variables, Functions, and Expressions . . . . . . . . . . . . . . . . . . . . 219
CHAPTER 2: SELECT Statements and Modifying Clauses . . . . . . . . . . . . . . . . . . . . . . . 249
CHAPTER 3: Querying Multiple Tables with Subqueries . . . . . . . . . . . . . . . . . . . . . . . 295
CHAPTER 4: Querying Multiple Tables with Relational Operators . . . . . . . . . . . . . . . 323
CHAPTER 5: Cursors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 345

Book 4: Securing Your Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 357
CHAPTER 1: Protecting Against Hardware Failure and External Threats . . . . . . . . . 359
CHAPTER 2: Protecting Against User Errors and Conflicts . . . . . . . . . . . . . . . . . . . . . . 391
CHAPTER 3: Assigning Access Privileges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 419
CHAPTER 4: Error Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 431

Book 5: Programming with SQL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 447
CHAPTER 1: Database Development Environments . . . . . . . . . . . . . . . . . . . . . . . . . . . 449
CHAPTER 2: Interfacing SQL to a Procedural Language . . . . . . . . . . . . . . . . . . . . . . . . 455
CHAPTER 3: Using SQL in an Application Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . 461
CHAPTER 4: Designing a Sample Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 477
CHAPTER 5: Building an Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 497
CHAPTER 6: Understanding SQL’s Procedural Capabilities . . . . . . . . . . . . . . . . . . . . . 513
CHAPTER 7: Connecting SQL to a Remote Database . . . . . . . . . . . . . . . . . . . . . . . . . . 531

,Book 6: Working with Advanced Data Types
in SQL: XML, JSON, and PGQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 545
CHAPTER 1: Using XML with SQL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 547
CHAPTER 2: Storing XML Data in SQL Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 575
CHAPTER 3: Retrieving Data from XML Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . 599
CHAPTER 4: Using JSON with SQL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 617
CHAPTER 5: Exploring Property Graph Queries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 633

Book 7: Optimizing Your Database . . . . . . . . . . . . . . . . . . . . . . . . . . . 645
CHAPTER 1: Tuning the Database . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 647
CHAPTER 2: Tuning the Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 659
CHAPTER 3: Finding and Eliminating Performance Bottlenecks . . . . . . . . . . . . . . . . 681

Book 8: Appendixes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 709
CHAPTER 1: SQL:2023 Reserved Words . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 711
CHAPTER 2: Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 721

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 731

, Table of Contents
INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
About This Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Foolish Assumptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Icons Used in This Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Beyond the Book . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Where to Go from Here . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

BOOK 1: GETTING STARTED WITH SQL . . . . . . . . . . . . . . . . . . . . . . . . 5
CHAPTER 1: Understanding Relational Databases . . . . . . . . . . . . . . . . . 7
Understanding Why Today’s Databases Are Better
than Early Databases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Irreducible complexity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Managing data with complicated programs . . . . . . . . . . . . . . . . . . . . 8
Managing data with simple programs . . . . . . . . . . . . . . . . . . . . . . . .11
Which type of organization is better? . . . . . . . . . . . . . . . . . . . . . . . . .11
Databases, Queries, and Database Applications . . . . . . . . . . . . . . . . . .12
Making data useful . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Retrieving the data you want — and only the data you want . . . . .12
Examining Competing Database Models . . . . . . . . . . . . . . . . . . . . . . . . .14
Looking at the historical background of the competing models . . .14
The hierarchical database model . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
The network database model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
The relational database model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
The object-oriented database model . . . . . . . . . . . . . . . . . . . . . . . . .25
The object-relational database model . . . . . . . . . . . . . . . . . . . . . . . .25
The nonrelational NoSQL model . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Why the Relational Model Won . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

CHAPTER 2: Modeling a System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Capturing the Users’ Data Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Identifying and interviewing stakeholders . . . . . . . . . . . . . . . . . . . . .30
Reconciling conflicting requirements . . . . . . . . . . . . . . . . . . . . . . . . .31
Obtaining stakeholder buy-in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Translating the Users’ Data Model to a Formal
Entity-Relationship Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Entity-Relationship modeling techniques . . . . . . . . . . . . . . . . . . . . .33
Drawing Entity-Relationship diagrams . . . . . . . . . . . . . . . . . . . . . . . .38
Understanding advanced ER model concepts . . . . . . . . . . . . . . . . . .41
A simple example of an ER model . . . . . . . . . . . . . . . . . . . . . . . . . . . .45
A slightly more complex example . . . . . . . . . . . . . . . . . . . . . . . . . . . .47



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