Inhaltsangabe:
In just 24 lessons of one hour or less, Sams Teach Yourself SQL in 24 Hours helps you use SQL to build effective databases, efficiently retrieve data, and manage everything from performance to security.
This Seventh Edition is thoroughly revised and reorganized for faster learning and a deeper understanding of modern SQL development. Based on standardized SQL throughout, it teaches using new sample code based on the free, easy-to-use Oracle Database Express (XE). You'll find more hands-on examples than ever, culminating in an all-new Bonus Exercises Workshop with even more real-world practice.
This guide's straightforward, step-by-step approach shows you how to work with database structures, objects, queries, tables, and more. In just hours, you will be applying advanced techniques, from transactions and joins to complex data retrieval using views and subqueries.
Step-by-step instructions carefully walk you through the most common SQL tasks.
Practical, hands-on examples show you how to apply what you learn.
Quizzes and exercises help you test your knowledge and stretch your skills.
Notes and tips point out shortcuts and solutions.
Learn how to...
* Master core relational database concepts, SQL concepts, and language components
* Clearly understand your data
* Set up databases and plan efficient database designs
* Define entities and relationships, establish data structures, and create database objects
* "Normalize" raw databases into logically organized tables
* Edit relational data and tables and manage transactions
* Write effective, well-performing queries
* Categorize, summarize, sort, group, and restructure data
* Work with dates and times
* Join tables in queries, use subqueries, and combine multiple queries
* Optimize performance with indexes and other techniques
* Administer databases and manage users
* Secure databases and data
Über die Autorin bzw. den Autor:
Ryan Stephens is an entrepreneur who has built his career and multiple IT companies around SQL, data, and relational databases. He has shared his knowledge and experience with organizations, students, and IT professionals all over the world. Two of the companies he has co-founded, Perpetual Technologies, Inc. (PTI), and Indy Data Partners, have provided expert database and IT services to large-scale government and commercial clients for more than 25 years. Ryan has authored several books for Pearson, including Sams Teach Yourself SQL in 24 Hours, 6th Edition; some of his books have been translated and published internationally. Additionally, Ryan has worked for large organizations and has consulted within the areas of SQL, database design, database management, and project management. He designed and taught a database management program for Indiana University-Purdue University in Indianapolis and currently teaches online SQL and database classes for Pearson Education.
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