Book Image

Learn SQL Database Programming

By : Josephine Bush
5 (1)
Book Image

Learn SQL Database Programming

5 (1)
By: Josephine Bush

Overview of this book

SQL is a powerful querying language that's used to store, manipulate, and retrieve data, and it is one of the most popular languages used by developers to query and analyze data efficiently. If you're looking for a comprehensive introduction to SQL, Learn SQL Database Programming will help you to get up to speed with using SQL to streamline your work in no time. Starting with an overview of relational database management systems, this book will show you how to set up and use MySQL Workbench and design a database using practical examples. You'll also discover how to query and manipulate data with SQL programming using MySQL Workbench. As you advance, you’ll create a database, query single and multiple tables, and modify data using SQL querying. This SQL book covers advanced SQL techniques, including aggregate functions, flow control statements, error handling, and subqueries, and helps you process your data to present your findings. Finally, you’ll implement best practices for writing SQL and designing indexes and tables. By the end of this SQL programming book, you’ll have gained the confidence to use SQL queries to retrieve and manipulate data.
Table of Contents (24 chapters)
Section 1: Database Fundamentals
Section 2: Basic SQL Querying
Section 3: Advanced SQL Querying
Section 4: Presenting Your Findings
Section 5: SQL Best Practices

Understanding SQL syntax for importing and exporting data

To import and export data via SQL scripts, the --secure_file_priv option must be properly configured. The secure_file_priv option may be disabled by default, or it may require you to place your file in a specific folder. You may be able to change this setting on your local instance, but you most likely won't have this level of permissions on a server, especially in a production environment.

Be VERY careful if you decide to change the ini file on your local instance of MySQL. The ini file contains essential configuration information required to run MySQL Server. You can damage the MySQL installation, for which the only solution may be to uninstall and reinstall MySQL. Do not make any ini file changes on a server without consulting a system or database administrator.

To check the secure_file_priv configuration...