The big tech companies are increasingly relying on the database management systems to store and maintaining the massive volume of data generated by our digital lives.
The Relational Database Management System (RDBMS) is extensively used by these tech giants to not only store the large volume of data but as an advanced tool to gain insight from massive volume of data generated by our increasingly digital lives. The Structured Query Language (SQL) is the language of choice define, manipulate, control and query the data within a RDBMS. Companies rely on RDBMS for organization of their customer data as well as to review this valuable data and keep it current and secure.
This book is written to serve as your personal guide so you can efficiently and effectively learn and write SQL statements or queries to retrieve from and update data on relational databases such as MySQL. You will be able to install the free and open MySQL user interface with the instructions provided in this book. This will allow you to get hands-on practice utilizing a variety of exercises included in this book, so you will be able to create not only correct but efficient SQL queries to succeed at work and ace those job interview questions. Another tip to make the best use of this book is to try to come up with your own names and labels to be used within the presented examples and verify those result sets obtained with the ones provided in this book, as you read and understand all the concepts and SQL query structures. Some of the highlights of this book are:
- Foundational concepts of SQL language as well as 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).
- Learn the thumb rules for building SQL syntax or query.
- A variety of SQL data types that are a pre-requisite for learning SQL have been explained in an easy to understand language.
- Overview of a wide range of user interfaces available with MySQL servers including MySQL workbench, Sequel Pro, Toad, among others.
- Learn how to create an effective database on the MySQL server as well as to create data tables and insert data into those tables.
- Learn the concept of temporary tables, derived tables and how you can create a new table from an existing table.
- The key concept of SQL Joins is provided in exquisite detail including different SQL JOIN and the SQL Union functions.
- Learn how to create new user accounts, update the user password as needed, grant and revoke access privileges.
- Learn CREATE VIEW, MERGE, TEMPTABLE, UNDEFINED, Updatable SQL Views, ALTER VIEW and CREATE OR REPLACE VIEW statements.
- The properties of SQL transactions as well as various SQL transaction statements with controlling clauses such as, START TRANSACTION, COMMIT, ROLLBACK among others.
Don't miss the opportunity to quickly learn a programming language like SQL. Don't you think it can be that easy? If you really want to have proof of all this, don't waste any more time!
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