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SQL and Relational Theory How to Write Accurate SQL Code 2nd Edition by CJ Date ISBN 1449319750 9781449319755

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SQL and relational theory how to write accurate SQL code 2ed. Edition Date Digital Instant Download

Author(s): Date, C. J
ISBN(s): 9781449319755, 1449319750
Edition: 2ed.
File Details: PDF, 6.61 MB
Year: 2012
Language: english
SKU: EB-5428890 Category: Tags: ,

SQL and Relational Theory How to Write Accurate SQL Code 2nd Edition by CJ Date – Ebook PDF Instant Download/Delivery: 1449319750, 9781449319755
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ISBN 10: 1449319750 
ISBN 13: 9781449319755
Author: CJ Date

SQL is full of difficulties and traps for the unwary. You can avoid them if you understand relational theory, but only if you know how to put the theory into practice. In this insightful book, author C.J. Date explains relational theory in depth, and demonstrates through numerous examples and exercises how you can apply it directly to your use of SQL.

This second edition includes new material on recursive queries, “missing information” without nulls, new update operators, and topics such as aggregate operators, grouping and ungrouping, and view updating. If you have a modest-to-advanced background in SQL, you’ll learn how to deal with a host of common SQL dilemmas.

Why is proper column naming so important? Nulls in your database are causing you to get wrong answers. Why? What can you do about it? Is it possible to write an SQL query to find employees who have never been in the same department for more than six months at a time? SQL supports “quantified comparisons,” but they’re better avoided. Why? How do you avoid them? Constraints are crucially important, but most SQL products don’t support them properly. What can you do to resolve this situation?

Database theory and practice have evolved since the relational model was developed more than 40 years ago. SQL and Relational Theory draws on decades of research to present the most up-to-date treatment of SQL available.

C.J. Date has a stature that is unique within the database industry. A prolific writer well known for the bestselling textbook An Introduction to Database Systems (Addison-Wesley), he has an exceptionally clear style when writing about complex principles and theory.

SQL and Relational Theory How to Write Accurate SQL Code 2nd Table of contents:

Chapter 1: Introduction to SQL and Relational Databases
1.1. What is SQL?
1.2. Relational Database Theory
1.3. The Importance of Accurate SQL Code
1.4. Overview of SQL Syntax and Structure

Chapter 2: The Relational Model
2.1. Key Concepts in Relational Theory
2.2. Tables, Rows, and Columns
2.3. Keys: Primary, Foreign, and Candidate Keys
2.4. Relationships Between Tables
2.5. Normalization and Data Integrity

Chapter 3: SQL Data Types and Operators
3.1. Common SQL Data Types
3.2. SQL Operators and Their Functions
3.3. Type Conversion and Compatibility
3.4. Handling Null Values in SQL

Chapter 4: Writing Simple SQL Queries
4.1. The SELECT Statement
4.2. Filtering Data with WHERE
4.3. Sorting Data with ORDER BY
4.4. Limiting Data with LIMIT / TOP
4.5. Aggregate Functions (COUNT, SUM, AVG, etc.)

Chapter 5: Complex SQL Queries
5.1. Joining Tables: INNER, LEFT, RIGHT, and FULL JOINS
5.2. Subqueries and Nested Queries
5.3. UNION and INTERSECT
5.4. GROUP BY and HAVING Clauses
5.5. Complex Filtering with AND, OR, and NOT

Chapter 6: Advanced SQL Techniques
6.1. Common Table Expressions (CTEs)
6.2. Window Functions and Analytical Queries
6.3. Recursive Queries
6.4. Indexing for Performance Optimization
6.5. Query Optimization Techniques

Chapter 7: Modifying Data with SQL
7.1. Inserting Data: INSERT INTO
7.2. Updating Data: UPDATE
7.3. Deleting Data: DELETE
7.4. Transactions and the ACID Properties
7.5. Handling Errors and Rollbacks

Chapter 8: Relational Theory Applied to SQL Design
8.1. Entity-Relationship Model (ER Model)
8.2. Translating ER Models to SQL Schemas
8.3. The Importance of Normalization
8.4. Denormalization for Performance
8.5. Designing Scalable Databases

Chapter 9: Writing Accurate SQL Code
9.1. Avoiding Common SQL Mistakes
9.2. Best Practices for Readable SQL Code
9.3. Debugging and Troubleshooting SQL Queries
9.4. Using SQL Code Reviews and Version Control
9.5. Maintaining SQL Code Quality Over Time

Chapter 10: SQL in the Real World
10.1. SQL in Data Warehousing
10.2. SQL in Data Analytics and Reporting
10.3. SQL in Web Applications and APIs
10.4. SQL and Big Data Technologies

Chapter 11: Conclusion and Future of SQL and Relational Databases
11.1. The Future of Relational Database Management Systems (RDBMS)
11.2. SQL and NoSQL Databases: A Comparison
11.3. Emerging Trends in SQL and Database Management
11.4. The Evolution of Database Design and Theory

 

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