SQL_LearntheStructuredQueryLanguageforth.epub - (EPUB全文下载)

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SQL
 
 
 
Preston Prescott
 
 
 
 
 
 
 
 
 
 
 
 
All rights Reserved. No part of this publication or the information in it may be quoted from or reproduced in any form by means such as printing, scanning, photocopying or otherwise without prior written permission of the copyright holder.
Disclaimer and Terms of Use: Effort has been made to ensure that the information in this book is accurate and complete, however, the author and the publisher do not warrant the accuracy of the information, text and graphics contained within the book due to the rapidly changing nature of science, research, known and unknown facts and internet. The Author and the publisher do not hold any responsibility for errors, omissions or contrary interpretation of the subject matter herein. This book is presented solely for motivational and informational purposes only
 
Contents
Other Books by the Author
Chapter 1: Introduction to SQL & Databases
Chapter 2: Data Types & Database/Table Creation
Exercise 2
Chapter 3: Drop, Alter, Truncate, & Insert
Exercise 3
Chapter 4: Select, Where, & Order By
Exercise 4
Chapter 5: SQL Operators I
Exercise 5
Chapter 6: SQL Operators II
Exercise 6
Chapter 7: Aggregate Functions, Delete, & Update
Exercise 7
Chapter 8: Relationships & Join Queries
Exercise 8
Chapter 9: SQL Sub-queries
Exercise 9
Chapter 10: SQL Character Functions
Exercise 10
Other Books by the Author
Other Books by the Author
 
JavaScript Programming: A Beginners Guide to the Javascript Programming Language
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If you've attempted to learn how to program in the past, but hadn't had much success then give
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Chapter 1: Introduction to SQL & Databases
SQL stands for structured query language. It is officially pronounced as “Ess que ell.” SQL, as the name suggests, is a query language used to interact with relational databases. SQL is used to perform functions like inserting data into a database, retrieving data, updating data, deleting data, and other similar actions. The first chapter presents a bird’s-eye view of SQL along with a brief introduction to databases.
Contents
What are databases?
Advantages of relational databases
Types of SQL
Data Definition Language
Data Manipulati ............

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