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MariaDB for Developers

This MariaDB Developers training course is designed for MariaDB Developers who have a good understanding of a MariaDB (or MySQL) database and experience of using SQL commands.  The course provides further practical experience in more advanced MariaDB commands and SQL statements including Stored Routines and Triggers.

Who will the Course Benefit?

Developers who have a basic understanding of a MariaDB (or MySQL) database and SQL commands as covered on the Introduction to MariaDB course.

Learning Objectives

To provide the skills needed to write more advanced queries and database maintenance statements on a MariaDB database.

The delegate will learn and acquire skills as follows:

  • Using advanced features of the MySQL Client with MariaDB
  • Using advanced data types
  • Writing complex SQL query statements
  • Using advanced SQL expressions
  • Performing advanced Insert, Update, Delete, Replace and Truncate Operations
  • Using user variable syntax and properties
  • Importing and exporting data from within MariaDB
  • Importing and exporting data from the command line
  • Performing complex subqueries
  • Using MariaDB Connectors
  • MariaDB and NoSQL integration
  • Creating, managing and using views
  • Implementing a Common Table Expression ( CTE )
  • Using Window functions
  • Implementing Regular Expressions
  • Using prepared statements
  • Creating and using stored routines
  • Creating and using triggers
  • Obtaining database metadata
  • Optimizing queries
  • Working with the main storage engines
  • Debugging MariaDB applications

Pre-Requisites

Requirements

A working knowledge of MariaDB (or MySQL) is required. This can be gained by attendance on the Introduction to MariaDB.

Pre-Requisite Courses

  • Introduction to MariaDB

Follow-On Courses

  • MariaDB Database Administration
  • PHP Programming & MariaDB for Web Developmen
  • Perl Programming

Course Content

Course Contents - DAY 1

Course Introduction

  • Administration and Course Materials
  • Course Structure and Agenda
  • Delegate and Trainer Introductions

Session 1: CLIENT/SERVER CONCEPTS

  • MariaDB client/server architecture
  • Server modes
  • Using client programs
  • Logging in options
  • Configuration files
  • Precedence of logging in options
  • Exercises: Using client/server

Session 2: THE MYSQL CLIENT PROGRAM FOR MariaDB

  • Using MariaDB interactively
  • The MariaDB prompts
  • Client commands and SQL statements
  • Editing
  • Selecting a database
  • Help
  • Safe updates
  • Using script files
  • Using a source file
  • Redirecting output into a file
  • Command line execution
  • MariaDB output formats
  • Overriding the defaults
  • Html and xml output
  • MySQL Utilities
  • Exercises: Using the MySQL client program to connect to MariaDB

Session 3: DATA TYPES

  • Bit data type
  • Numeric data types
  • Auto_increment
  • Character string data types
  • Character sets and collation
  • Binary string data types
  • Enum and Set data types
  • Temporal data types
  • Timezone support
  • Spatial Datatypes
  • Handling Missing Or Invalid Data Values
  • SQL_MODE options
  • Exercises: Using data types

Session 4: IDENTIFIERS

  • Using Quotes with identifier naming
  • Case sensitivity in Identifier naming
  • Qualifying columns with table and database names
  • Using reserved words as identifiers
  • Function names
  • Exercises: Using identifiers

Session 5: QUERYING FOR DATA

  • The SQL select statement and MAriaDB differences
  • Advanced order by
  • Order by and collation
  • Order by with enum datatype
  • Order by with Set datatype
  • Ordering with distinct and group by
  • Special features of union
  • Limit and order by clauses
  • Group By clause
  • Group_concat
  • Using Rollup in a Group By clause
  • Exercises: Querying for data

Course Contents - DAY 2

Session 6: SQL EXPRESSIONS AND FUNCTIONS

  • Components of expressions
  • Nulls
  • Numeric expressions
  • String expressions
  • Temporal expressions
  • Comparison functions
  • Flow control functions
  • Numeric functions
  • String functions
  • Temporal functions
  • Exercises: Using expressions and functions

Session 7: UPDATING DATA

  • Update operations and privileges
  • Inserting rows
  • Insert using a set clause
  • Inserting duplicate values
  • Replacing rows
  • Updating rows
  • Update using the order by and limit clauses
  • Deleting rows
  • The delete and truncate statements
  • Exercise: Inserting, updating, replacing and deleting data

Session 8: CONNECTORS

  • MariaDB connectors
  • Connecting to MariaDB server using Java and PHP connectors
  • MariaDB and NoSQL

Session 9: OBTAINING DATABASE METADATA

  • What is metadata?
  • Using mysqlshow utility with MariaDB
  • The show and describe commands
  • Describing tables
  • The information_schema
  • Listing tables
  • Listing columns
  • Listing views
  • Listing key_columns_usage
  • Exercises: Obtaining database metadata

Session 10: DEBUGGING

  • MariaDB error messages
  • The show statement
  • Show errors
  • Show count(*) errors
  • Show warnings
  • Show count(*) warnings
  • Note messages
  • The perror utility
  • Exercises: Debugging

Course Contents - DAY 3

Session 11: IMPORT AND EXPORT

  • Exporting using SQL
  • Privileges required to export data
  • Importing using SQL
  • Messages when loading data
  • Privileges required to load data
  • Exporting from the command line
  • Mysqldump main options
  • Importing from the command line
  • Mysqlimport main options
  • Exercises: Importing and exporting

Session 12: SUBQUERIES

  • Types of subquery
  • Multiple-column subqueries
  • Correlated subqueries
  • Using the ANY, ALL and SOME operators
  • Using the EXISTS operator
  • Subqueries as scalar expressions
  • Derived Table
  • WITH Clause ( Common Table Expression – CTE )
  • Recursive CTEs
  • Using subqueries in updates and deletes
  • Exercises: Coding subqueriess

Session 13: VIEWS

  • Why views are used
  • Creating views
  • View creation restrictions
  • View algorithms
  • Updateable views
  • Altering and dropping views
  • Displaying information about views
  • Privileges for views
  • Exercises: Using views

Session 14: USING WINDOW FUNCTIONS

  • Description
  • Non-aggregate window functions
  • Using RANK, DENSE_RANK, ROW_NUMBER, NTILE
  • Window partition clause
  • Using LAG. LEAD, FIRST_VALUE, LAST_VALUE, NTH_VALUE
  • Aggregate window functions – SUM, AVG etc
  • Window frame clause
  • Exercises: Using Window Functions

Session 15: REGULAR EXPRESSION SUPPORT

  • Overview of Regular Expression
  • Regular Expression Notation
  • The REGEXP_LIKE operator
  • The REGEXP_INSTR function
  • The REGEXP_SUBSTR function
  • The REGEXP_INSTR function
  • The REGEXP_REPLACE function
  • Exercises: Regular Expression Support

Course Contents - DAY 4

Session 16: USER VARIABLES AND PREPARED STATEMENTS

  • Creating User variables
  • User variables in a select
  • Prepared statements
  • The prepare statement
  • The execute statement
  • The deallocate statement
  • Using prepared statements in code, with connectors
  • Exercises: Using variables and prepared statements

Session 17: INTRODUCTION TO STORED ROUTINES

  • Types of stored routines
  • Benefits of stored routines
  • Stored routine features
  • Differences between procedures and functions
  • Introduction to the Block
  • Declaring variables and constants
  • Assigning values to variables
  • Definer rights and invoker rights
  • Using SELECT in stored routines
  • Altering and dropping stored routines
  • Obtaining stored routine metadata
  • Stored routine privileges and execution security
  • Exercises: Writing simple stored routines

Session 18: STORED ROUTINES - PROGRAM LOGIC

  • The IF .. THEN .. ELSEIF construct
  • The CASE statement
  • The basic loop
  • The while loop
  • The repeat loop
  • The iterate statement
  • Nested loops
  • Exercises: Writing stored routines with program logic

Session 19: PROCEDURES WITH PARAMETERS

  • Creating procedures with parameters
  • Calling Procedures With Parameters
  • Exercises: Writing stored routines with parameters

Course Contents - DAY 5

Session 20: STORED ROUTINES - EXCEPTION HANDLERS & CURSORS

  • Dealing with errors using Exception handlers
  • Cursors
  • What is a cursor?
  • Cursor operations
  • Declaring cursors
  • Opening and closing cursors
  • Fetching rows
  • Status checking
  • Exercises: Writing stored routines with program logic

Session 21: FUNCTIONS

  • What is a function?
  • The create function statement
  • Executing functions
  • Executing functions from code
  • Executing functions from SQL statements
  • The deterministic and SQL clauses
  • Exercises: Writing functions

Session 22: TRIGGERS

  • Trigger creation
  • Restrictions on triggers
  • The create trigger statement
  • Using the old and new qualifiers
  • Managing triggers
  • Destroying triggers
  • Required privileges
  • Exercises: Writing triggers

Session 23: BASIC OPTIMIZATIONS

  • Normalisation of data to third normal form
  • Using indexes for optimization
  • General query enhancement
  • Using Explain to analyze queries
  • Choosing an INNODB or MYISAM storage engine
  • Using MariaDB Enterprise Monitor in query optimization
  • Exercises: Making use of basic optimizations

Session 24: MORE ABOUT INDEXES

  • Indexes and joins
  • Exercises: Investigating indexes and joins

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