• $5.99

Publisher Description

Get up to speed fast with SQL, the language of databases. Bestselling author Chris Fehily teaches you just the parts of SQL that you need to know. Quick, learn-by-example lessons start with simple data retrieval and sorting, move on to filtering and grouping, and then build to more-advanced topics, including joins, subqueries, views, and transactions. Whether you're an analyst, developer, data scientist, or Microsoft Office user, you'll find straightforward, practical answers. You can download the sample database to follow along with the examples.


• Covers Oracle, Microsoft SQL Server, IBM DB2, MySQL, PostgreSQL, and Microsoft Access.

• Learn the core language for standard SQL, and variations for the most widely used database systems.

• Organize your database in terms of the relational model.

• Master tables, columns, rows, and keys.

• Retrieve, sort, and format data.

• Filter the data that you don't want to see.

• Convert and manipulate data with SQL's built-in functions and operators.

• Use aggregate functions to summarize data.

• Create complex SQL statements by using joins, subqueries, constraints, conditional logic, and metadata.

• Create, alter, and drop tables, indexes, and views.

• Insert, update, delete, and merge data.

• Execute transactions to maintain the integrity of your data.

• Avoid common pitfalls involving nulls.

• Troubleshoot and optimize queries.

• Plenty of tips, tricks, and timesavers.

• Fully cross-referenced, linked, and searchable.


Contents

1. Introduction

2. Database Basics

3. SQL Basics

4. Retrieving Data from a Table

5. Sorting Rows

6. Filtering Rows

7. Combining and Negating Conditions

8. Pattern Matching

9. More Ways to Filter Rows

10. Operators and Functions

11. Working with Functions

12. Evaluating Conditional Values

13. Summarizing Data

14. Grouping Data

15. Joining Tables

16. Working with Joins

17. Subqueries

18. Combining Queries

19. Inserting Rows

20. Updating and Deleting Rows

21. Creating and Changing Tables

22. Indexes

23. Views

24. Transactions

A. The Sample Database

B. Running SQL Programs

C. Data Types


About the Author

Chris Fehily is a statistician and author based in San Francisco.

GENRE
Computers & Internet
RELEASED
2014
September 23
LANGUAGE
EN
English
LENGTH
268
Pages
PUBLISHER
Questing Vole Press
SELLER
Questing Vole Press
SIZE
1.5
MB

More Books by Chris Fehily