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

Chapter 14

  1. Reporting, Explanatory, Predictive, Correlation, Causation.
  2. How something changed over time, go from the big picture to a narrow focus, start narrow and go to the big picture, and comparing and contrasting.
  3. Decision-makers, colleagues, and the general public.
  4. Yes, depending on how many audiences you might have.
  5. Explaining the question, answer, and methodology.
  6. It's essential to keep your focus on one question.
  7. As you go through explaining the answer, make sure to give context along the way, and don't wait to answer everything until the end.
  8. Make sure to describe your methodology so that it gives your presentation context. You may have a long process to get to the question's answer, but most audiences won't want or need that much explanation.
  9. Jumping to conclusions, switching colors, not labeling your charts, not providing context, cherry-picking...