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Leonard Base - SQL Coding For Beginners: A Smart Guide For Absolute Beginners To Learn SQL Database And Server. Learn It Faster And Remember It Longer

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SQL Coding For Beginners: A Smart Guide For Absolute Beginners To Learn SQL Database And Server. Learn It Faster And Remember It Longer: summary, description and annotation

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If you want to learn SQL fast and even if you have no technical skills whatsoever, Read On...

How many times have you thought about learning how to code but got discouraged because you had no technical background, didnt have the time to learn, or you just didnt think you were smart enough?

Well, we have good news for you.

You dont need an expensive computer science degree, a 500 page textbook or a genius mind to learn the basics of SQL!

Today our Digital lives have inundated companies with large volumes of data that is stored and maintained using the database management systems. One of the most widely used type of database management systems is called RDBMS or Relational Database Management System. Now, data storage is only touches the surface of capabilities expected from a RDBMS, the most vital functionality offered by these systems pertains to the ability of a user or company to not only organize and view the underlying data but also to make updates to the original data set while ensuring the security of this valuable data. This is where a programming language, such as, SQL is used to define, manipulate, control and query the data within a RDBMS.

This book will serve as your guiding beacon through the journey of learning a programming language for RDBMS, using a free and open MySQL user interface that can be easily installed on your operating system, so you can get hands-on practice and be able to create not only correct but efficient SQL queries to succeed at work or during job interviews.

Some of the highlights of this book are:

Learn the fundamental concepts of SQL language, along with the five fundamental types of SQL queries namely, Data definition language (DDL), Data manipulation language (DML), Data control language (DCL), Data query language (DQL) and a Transaction control language (TCL).

Learn the SQL CREATE statements and the vital concept of SQL constraints used with the SQL ALTER statements with hands-on exercises and examples.

Get familiar with are a variety of user interfaces available with MySQL servers including MySQL workbench, Sequel Pro, Toad, among others.

Get hands-on practice for creation of a whole new database and subsequently learn to create tables and insert data into those tables on the MySQL server.

Learn the concept of temporary tables, derived tables and how you can create a new table from an existing table.

Master the SQL SELECT statements along with the various data manipulation clauses including ORDER BY and WHERE.

Deep dive into the concept of joins presented with different SQL JOIN functions such as INNER JOIN, LEFT JOIN, RIGHT JOIN, CROSS JOIN and SELF JOIN.

Learn the MySQL UNION and MySQL UNION ALL statements are presented in detail along with the distinction between MySQL join and union functions.

Learn the CREATE VIEW statement is explained along with the underlying processing algorithms used in MySQL such as, MERGE, TEMPTABLE and UNDEFINED.

Master the concept of Updatable SQL Views with an understanding of how to modify SQL views using ALTER VIEW and CREATE OR REPLACE VIEW statements.

Deep dive into the concept of SQL transactions and various SQL transaction statements with controlling clauses such as, START TRANSACTION, COMMIT, ROLLBACK.

The syntaxes of all the SQL statement or queries are explained in exquisite detail, along with examples and pictures of the result set that you can expect to obtain while performing hands-on execution of the given examples on your own MySQL instance.

Even if you have no idea how to use SQL Programming, with this guide you can learn all the secrets to do it very quickly!

Want To Know More?

Download now and know all about SQL and what it consists of!

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SQL Coding For
Beginners
A Smart Guide For Absolute Beginners To Learn SQL Database And Server. Learn It Faster And Remember It Longer
Leonard Base
Table of Contents
Introduction
Congratulations on downloading SQL Coding For Beginners.
The following chapters will discuss the fundamental concepts of the structured query language (SQL) to help the beginners looking to learn and master this analytical language for the relational database management systems. This book will provide you everything you need to know to efficiently and effectively use SQL for retrieving and updating information on SQL databases and servers, primarily focusing on the MySQL server, which is one of the highly touted interface for relational database management.
In the first chapter of this book titled Introduction to SQL and the data definition language, you will start with an overview of the database management systems along with the different types of database management systems and their advantages. You will be introduced to the SQL language and the five fundamental types of SQL queries namely, Data definition language (DDL), Data manipulation language (DML), Data control language (DCL), Data query language (DQL) and Transaction control language (TCL). This chapter will also provide you with the thumb rules required to build SQL syntax or query, which pertains to the chord structure that can be processed by the database server. You will also learn the most commonly used data types, which are integral to their learning of SQL. We will kick start the actual programming language learning with the SQL CREATE statements and continue to build up on these concepts. The vital concept of SQL constraints used with the SQL ALTER statements is also explained in detail with multiple examples and hands-on exercises.
In the chapter 2 titled, Creating a database using SQL and maintaining data integrity, you will be introduced to MySQL, which is a free and open source relational database management system. There are a variety of user interfaces available with MySQL servers including MySQL workbench, phpMyAdmin, Adminer, ClusterControl, Database workbench, DBeaver, DBEdit, HeidiSQL. Sequel Pro, Toad among others; which are used by anyone looking to execute SQL queries on the MySQL database server. You will be walked through the process of installing MySQL on your operating system(s). Since, this is an open and free program you can easily download and install it on your system, so you can make the best use of this book and included hands-on exercises and example to effectively learn the SQL programming language. You will be learning how to generate a whole new database and subsequently create tables and insert data into those tables on the MySQL server. You will also learn the concept of temporary tables, derived tables and how you can generate a new table from a table already present in the database.
In the chapter 3 titled, SQL Joins and Union commands, you will be introduced to the SQL SELECT statement along with the various Data manipulation clauses including ORDER BY, WHERE. The key concept of SQL Joins is presented in detail including different SQL JOIN functions such as INNER JOIN, LEFT JOIN, RIGHT JOIN, CROSS JOIN and SELF JOIN. The syntaxes of these clauses are explained in exquisite detail the with examples and pictures of the result set that you can expect to obtain while performing hands-on execution of the examples on your own MySQL instance. This effort has been made to bolster your understanding and allow hands on practice of the SQL programming language. In this chapter, you will also learn about the SQL union function that is used to collate a number of outputs into a single comprehensive result set. The MySQL UNION and MySQL UNION ALL statements are presented in detail along with the distinction between MySQL join and union functions.
In the chapter 4 titled, SQL Views and Transactions, you will learn the concept of Database View in SQL, which is simply a virtual table defined using the SQL SELECT statements with the SQL JOIN clause(s). There are a wide variety of advantages of using the Database View or SQL View as explained in this chapter. The CREATE VIEW statement is explained along with the underlying processing algorithms used in MySQL such as, "MERGE", "TEMPTABLE" and "UNDEFINED". You will also learn how to create a view from another existing view which may or may not include a sub query. The concept of Updatable SQL Views is also explained with examples and hands on exercises, so you can learn how to modify SQL views using ALTER VIEW and CREATE OR REPLACE VIEW statements. In SQL, transaction is defined as "a unit of work that is performed against a database". The different properties of SQL transactions and various SQL transaction statements with controlling clauses such as, START TRANSACTION, COMMIT, ROLLBACK among others are included in this chapter. Another important concept of database recovery models is explained here along with different types of recovery models and SQL BACKUP statements. The process of restoring database in case of a failure can be crucial to maintain the valuable data, as you will learn in this book.
The last chapter titled, Database Security and Administration, will primarily focus on the user access privileges to manage and secure the data on a MySQL server. You will be given a step-by-step walk-through on how to create new user accounts, update the user password as needed, grant and revoke access privileges to ensure that only permitted users have authorized and required access to the database.
There are plenty of books on this subject on the market, thanks again for choosing this one! Every effort was made to ensure it is full of as much useful information as possible, please enjoy!
Chapter 1
Introduction to SQL and Data Definition Language
A database could be defined as an organized collection of information or data, which can be stored electronically on a computer system and accessed as needed. A Database Management System (DBMS) is defined as a software that interacts with the end users, applications and the database itself to capture and analyze the data. DBMS is an integrated computer software package enabling users to communicate with a number of databases and offering access to the information stored on the database. The DBMS offers multiple features which enable big volumes of data to be entered, stored and retrieved as well as offers methods for managing how the data can be organized. Considering this close association, the term database is frequently used to refer to both databases as well as DBMS.
Existing DBMSs provide multiple features to manage and classify a database and its information into four primary functional groups as follows:
  • Data definition Definitions that represent the organization of data are created, modified and eliminated.
  • Update Inserting, modifying and deleting the actual data.
  • Retrieva l - Provision of data in a form that can be used directly or processed further by other applications. Data collected may be accessible in the same form as the one in the database or in a different form, acquired through alteration or combination of data sets from various databases.
  • Management User registration and tracking, data security enforcement, performance tracking, data integrity, competence control, and the recovery of data damaged by a certain event, for example, an accidental glitch in the system.
A database and its DBMS are in accordance with a given model database. "Database system" can be defined as a collection of the database, DBMS and database model.
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