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Introduction to MariaDB

The Introduction to MariaDB course covers the basics of the SQL language as implemented by MariaDB. The course is designed  to give delegates practical experience in writing SQL statements using the MySQL client program and MySQL Workbench. The basic  SQL statements, including the use of SQL functions and the basic table and view handling statements are introduced.

The delegate will learn and acquire skills as follows:

  • Using client programs to access a MariaDB database
  • Creating, altering and dropping a MariaDB database
  • Writing SQL statements to select data from a MariaDB database
  • Writing joins and subqueries
  • Using SQL expressions
  • Using SQL aggregate functions and scalar functions
  • Inserting, updating, deleting and replacing rows
  • Creating and altering tables, indexes and views
  • Using transactions
  • Granting and revoking access privileges on tables and views
  • Exporting and importing data

Who will the Course Benefit?

Anyone who needs to access and work with a MariaDB Database or is migrating from MySQL to MariaDB.

Reset

Learning Objectives

To provide the skills needed to create and alter a MariaDB database and query and modify data held within such a database.

Pre-Requisites

There are no formal pre-requisites, although an understanding of databases and exposure to information technology in general would be useful.

Course Content

Day 1

Course Introduction

  • Administration and course materials
  • Course structure and agenda
  • Delegate and trainer introductions

Session 1: DATABASE CONCEPTS

  • What is a database?
  • Database management systems
  • Tables, rows and columns
  • Indexes, primary keys, unique constraints and foreign keys
  • Client-Server architecture
  • Supported data types
  • Storage engines and table types
  • The Information_Schema and MySQL Databases for MariaDB
  • Exercise: Using a MariaDB Database

Session 2: USING THE MySQL CLIENT with MariaDB

  • What is the MySQL client?
  • Getting started and Logging in
  • Selecting a database
  • Client commands
  • Entering and executing SQL statements
  • Retrieving previous commands
  • Creating, editing and executing SQL files
  • Redirecting output into a file
  • Command line execution of SQL Scripts
  • Session 3: BASIC SELECT

    • The SQL SELECT statement
    • Case sensitivity
    • Quotes
    • Statement terminator
    • Syntax conventions
    • The select clause
    • The FROM clause
    • Conditions and the WHERE clause
    • Logical operators
    • The ORDER BY clause
    • Column aliases
    • Arithmetic expressions
    • Precedence of operators
    • Exercises:   Querying the sample database

    Session 4: LIMIT, UNION AND AGGREGATE FUNCTIONS

    • The LIMIT clause
    • UNION
    • UNION ALL
    • Aggregate functions
    • The GROUP BY clause
    • Using Rollup with GROUP BY
    • The HAVING clause
    • Exercises:   Using Limit, Union and Aggregate Functions

Day 2

Session 5: SUBQUERIES AND JOINS

  • Subqueries
  • Cartesian products
  • Joins with original syntax
  • Table aliases
  • Natural joins
  • Join using
  • Join on
  • Multi-table joins
  • Exercises:   Using Subqueries and Joins

Session 6: NUMERIC AND CHARACTER FUNCTIONS

  • Function types
  • Testing functions
  • Numeric functions
  • Character functions
  • Exercise:   Using Numeric and Character Functions

Session 7: DATE, TIME AND OTHER FUNCTIONS

  • Date and time column types
  • Date and time formats
  • The date format function
  • Functions to return date time
  • Functions to extract components from date time
  • Date time arithmetic
  • Miscellaneous functions
  • Exercise:   Using Date, Time and other functions

Session 8: DATABASES AND TABLES

  • Creating a database
  • Selecting a database
  • Creating tables
  • Auto_increment
  • Show create table
  • Column operations
  • Constraint operations
  • Copying tables
  • Renaming tables
  • Changing engine for tables
  • Dropping tables
  • Temporary tables
  • Exercises:   Maintaining databases and tables

Session 9: INDEXES AND VIEWS

  • What is an index?
  • Creating an index
  • Reviewing indexes
  • Dropping indexes
  • What is a view?
  • Creating views
  • View restrictions
  • Dropping views
  • Exercise:   Maintaining indexes and views

Session 10: MANAGING DATA

  • Inserting rows
  • Replacing rows
  • Updating rows
  • Deleting rows
  • The truncate statement
  • The COMMIT and ROLLBACK commands
  • Savepoints
  • Implicit commits
  • Exercise:   Managing data

Session 11: ACCESS CONTROL

  • Creating users
  • Renaming users
  • Dropping users
  • Granting privileges
  • Revoking privileges
  • Exercise:   Creating users, granting and revoking

Session 12: IMPORT AND EXPORT

  • Exporting using SQL
  • Importing using SQL
  • Exporting from the command line
  • Importing from the command line
  • Exercise:   Export and import data

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