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Introduction to SQL for MySQL

2 Day Course
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Course Information

Overview

This introduction to SQL training course is specifically for those who need to to be competent extracting data from, and updating data in, MySQL relational databases. The course is highly practical in nature and the focus throughout is on coding SQL (with MySQL variances) by hand. On completion, a comprehensive set of course notes, examples, tutor and attendee scripts are made available online for each attendee.

Prerequisites

No prior SQL, MySQL or relational database experience is assumed.

Course Outline

1. An Overview of MySQL Relational Databases
  • The Role of the MySQL Database Server
  • Using a Client to interact with the MySQL Server
  • Some Available Clients for MySQL
  • Databases, Tables, Rows and Columns
  • Primary Keys and Foreign Keys Explained
  • Introducing Data Types: Character, Numeric, Date and Time
  • The Basics of Database Normalization
2. Introducing SQL for MySQL
  • Creating and Editing SQL
  • About Statements, Batches and Scripts
  • Executing and Parsing SQL Scripts
  • SQL Syntax and The Rules of SQL
  • About Keywords, Identifiers. Operators, Whitespace and Case
  • About the Semi Colon
  • SQL Conventions and Good Practice
3. Retrieving Data with SQL: First Steps
  • Introducing Queries: The SELECT Statement
  • The Clauses of the SELECT Statement
  • About Optional Clauses and Mandatory Clauses
  • Using FROM to Specify the Source Table(s)
  • Retrieving Entire Tables
  • Retrieving Specific Columns
  • The Importance of Clause Order
  • How to Build Successful Queries
  • Types of Output: About the Result Set
  • Using Column Aliases to Rename Columns
  • Performing Calculations
  • Using Numeric and String Operators to Create Derived Output
  • Ways of Limiting the Output
  • Using ORDER BY to Sort the Output
  • Ways of Working: Some Tips
4. Using WHERE to Filter Results
  • Working with Comparison Operators (=, >= etc)
  • Numeric and String Based Filtering
  • Filtering Based on Calculations
  • Eliminating Duplicate Results with DISTINCT
  • Working with Execution Order
  • Column Aliases: Where You Can and Cannot Use Them
  • Extending Filters with AND and OR
  • Solving AND/OR Difficulties with Brackets
  • Excluding Results with NOT: Some Tips
  • Range Filtering using BETWEEN and IN
  • NULL and its Implications Explained
  • Catering for NULL
  • Matching Patterns with LIKE
5. Getting Results From Multiple Tables
  • Qualifying Column Names
  • Joins Explained
  • The Different Types of Joins
  • Creating an Inner Join: WHERE Syntax
  • Creating an Inner Join: INNER JOIN Syntax
  • Table Aliases: The Need
  • Working with Self Joins
  • Outer Joins: An Example
  • How to Simplify Joins: An Approach
6. Using Standard MySQL Functions
  • How to Use Standard MySQL Functions to Modify Results
  • How to Find the Right Function
  • Mathematical, String and Conversion Functions
  • Functions for Modifying and Calculating Dates
  • Formatting Numbers to Two Decimal Places
  • Replacing NULL with a Specific Value
  • Using Standard MySQL Functions in WHERE
  • Using CASE to Specify Output Conditions
7. Working with Dates
  • Understanding How Dates are Stored
  • Introducing Date Functions
  • Converting Text Dates To Date Format
  • Establishing Today's Date
  • Extracting Parts of a Date (Day, Month, Year)
  • Displaying Dates in Specific Date Formats
  • Filtering with Dates
8. Grouping and Summarizing Results
  • The difference Between Tabular and Scalar Results
  • Using Aggregate Functions (MAX(), SUM(), AVG(), COUNT() etc)
  • The Way Aggregate Functions Work
  • Where to Use and Where Not to Use Aggregate Functions
  • Using GROUP BY to Group Results
  • The Need for HAVING: Filtering the Result Table
9. Working with Subqueries
  • Subqueries Explained
  • Where you can Use Subqueries
  • How to Successfully Construct Subqueries
  • Subqueries for Filtering
  • Subqueries to Create Derived Columns
10. Working with Views
  • Views Explained
  • Advantages of Views
  • How to use Views to Simplify your Work
  • Creating Views
  • Dropping Views
11. Inserting, Updating and Deleting Data
  • Inserting Single Rows
  • Inserting Multiple Rows
  • Inserting Rows by Column Position
  • Inserting Rows by Column Name
  • Dealing with Auto-Incrementing Values
  • Dealing with Nulls when Inserting
  • Inserting Data from one Table into Another
  • Updating Data
  • Deleting Data
  • Modifying Data through a View

Private Courses

We can arrange your own private SQL course.

Tailored

Have us build a custom private course tailored to your needs.

Cost Effective

If you are looking to training a group of people private courses can be very cost effective.

Post Course Support

Unlimited post course email support on the course topics.

What Our Clients Think

Very informative course, very useful tips on how to work with SQL Management Studio. A lot of SQL quirks explained, a lot of good examples.

Magdalena Piekarska - Veolia

Very informative and was at a good pace. Lots of extra useful tips too.

Harry Finch - Lancashire Insurance

The trainer did a fantastic job of delivering the course and providing understanding

Niall Simmons - Haven Power

A great course. The trainers experience and knowledge is a great asset.

Nancy Shering - Equinix Group Ltd

Really good course. lots of hands on practice and clear explanations.

fiona dawe - Covetrus Global Software Services

Really enjoyed this course. It delivered exactly what I wanted out it.

Malkit Singh - Regatta Ltd

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