Mysql

Mysql

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Mysql
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This basic MySQL tutorial explains some of the basic SQL statements. If this is the first time you have used a relational database management system, this tutorial gives you everything you need to know to work with MySQL such as querying data, updating data, managing databases, and creating tables.
MySQL (/ ˌ m aɪ ˌ ɛ s ˌ k juː ˈ ɛ l /) is an open-source relational database management system (RDBMS). Its name is a combination of 'My', the name of co-founder Michael Widenius's daughter, and 'SQL', the abbreviation for Structured Query Language.
MySQL Community Edition MySQL Community Edition is the freely downloadable version of the world's most popular open source database. It is available under the GPL license and is supported by a huge and active community of open source developers.
If you are already familiar with other relational database management systems such as PostgreSQL, Oracle, and Microsoft SQL Server, you can use this tutorial to refresh your knowledge and understand how the SQL dialect of MySQL is different from other systems.
Section 1. Getting started with MySQLMySQL for Excel is now covered under Oracle Lifetime Sustaining Support Per Oracle's Lifetime Support policy, as of Sept 18, 2020, MySQL for Excel is covered under Oracle Sustaining Support. MySQL Cluster CGE. MySQL Cluster is a real-time open source transactional database designed for fast, always-on access to data under high throughput conditions. MySQL Yum Repository; MySQL APT Repository; MySQL SUSE Repository; MySQL Community Server; MySQL Cluster; MySQL Router; MySQL Shell; MySQL Workbench; MySQL Installer for Windows; MySQL.

This section helps you get started with MySQL. We will start installing MySQL, downloading a sample database, and loading data into the MySQL server for practicing.
Installing MySQL database server – show you step by step how to install MySQL database server on your computer.
Downloading MySQL sample database – introduce you to a MySQL sample database named classicmodels. We also provide you links for downloading the sample database and its diagrams.
Loading the sample database into your own MySQL database server – walk you through steps of how to load the classicmodels sample database into your MySQL database server for practicing.
Section 2. Querying dataThis section helps you learn how to query data from the MySQL database server. We will start with a simple SELECT statement that allows you to query data from a single table.
SELECT – show you how to use simple SELECT statement to query the data from a single table.
Section 3. Sorting dataORDER BY – show you how to sort the result set using ORDER BY clause. The custom sort order with the FIELD function will be also covered.
Section 4. Filtering dataWHERE – learn how to use the WHERE clause to filter rows based on specified conditions.
SELECT DISTINCT – show you how to use the DISTINCT operator in the SELECT statement to eliminate duplicate rows in a result set.
AND – introduce you to the AND operator to combine Boolean expressions to form a complex condition for filtering data.
OR– introduce you to the OR operator and show you how to combine the OR operator with the AND operator to filter data.
IN – show you how to use the IN operator in the WHERE clause to determine if a value matches any value in a list or a subquery.
BETWEEN – show you how to query data based on a range using BETWEEN operator.
LIKE – provide you with technique to query data based on a specific pattern.
LIMIT – use LIMIT to constrain the number of rows returned by SELECT statement
IS NULL – test whether a value is NULL or not by using IS NULL operator.
Section 5. Joining tablesTable & Column Aliases – introduce you to table and column aliases.
Joins – give you an overview of joins supported in MySQL including inner join, left join, and right join.
INNER JOIN – query rows from a table that has matching rows in another table.
LEFT JOIN – return all rows from the left table and matching rows from the right table or null if no matching rows found in the right table.
RIGHT JOIN – return all rows from the right table and matching rows from the left table or null if no matching rows found in the left table.
CROSS JOIN – make a Cartesian product of rows from multiple tables.
Self-join – join a table to itself using table alias and connect rows within the same table using inner join and left join.
Section 6. Grouping dataGROUP BY – show you how to group rows into groups based on columns or expressions.
HAVING – filter the groups by a specific condition.
ROLLUP – generate multiple grouping sets considering a hierarchy between columns specified in the GROUP BY clause.
 Section 7. SubqueriesSubquery – show you how to nest a query (inner query) within another query (outer query) and use the result of the inner query for the outer query.
Derived table – introduce you to the derived table concept and show you how to use it to simplify complex queries.
EXISTS – test for the existence of rows.
Section 8. Common Table ExpressionsCommon Table Expression or CTE – explain to you the common table expression concept and show you how to use CTE for querying data from tables.
Recursive CTE – use the recursive CTE to traverse the hierarchical data.
Mysql Workbench DownloadSection 9. Set operatorsUNION and UNION ALL – combine two or more result sets of multiple queries into a single result set.
INTERSECT – show you a couple of ways to simulate the INTERSECT operator.
MINUS – explain to you the SQL MINUS operator and show you how to simulate it.
Section 10. Modifying data in MySQLIn this section, you will learn how to insert, update, and delete data from tables using various MySQL statements.
INSERT – use various forms of the INSERT statement to insert data into a table.
INSERT Multiple Rows – insert multiple rows into a table.
INSERT INTO SELECT – insert data into a table from the result set of a query.
INSERT IGNORE – explain you the INSERT IGNORE statement that inserts rows into a table and ignores rows that cause errors.
UPDATE – learn how to use UPDATE statement and its options to update data in database tables.
UPDATE JOIN – show you how to perform cross-table update using UPDATE JOIN statement with INNER JOIN and LEFT JOIN.
DELETE – show you how to use the DELETE statement to delete rows from one or more tables.
ON DELETE CASCADE – learn how to use ON DELETE CASCADE referential action for a foreign key to delete data from a child table automatically when you delete data from a parent table.
DELETE JOIN – show you how to delete data from multiple tables.
REPLACE – learn how to insert or update data depends on whether data exists in the table or not.
Prepared Statement – show you how to use the prepared statement to execute a query.
Section 11. MySQL transactionTransaction – learn about MySQL transactions, and how to use COMMIT and ROLLBACK to manage transactions in MySQL.
Table locking – learn how to use MySQL locking for cooperating table access between sessions.
Section 12. Managing MySQL databases and tablesThis section shows you how to manage the most important database objects in MySQL including databases and tables.
Selecting a MySQL database – show you how to use the USE statement to select a MySQL database via the mysql program and MySQL Workbench.
Managing databases – learn various statements to manage MySQL databases including creating a new database, removing an existing database, selecting a database, and listing all databases.
CREATE DATABASE – show you how to create a new database in MySQL Server.
DROP DATABASE – learn how to delete an existing database.
MySQL storage engines– it is essential to understand the features of each storage engine so that you can use them effectively to maximize the performance of your databases.
CREATE TABLE – show you how to create new tables in a database using CREATE TABLE statement.
MySQL sequence – show you how to use a sequence to generate unique numbers automatically for the primary key column of a table.
ALTER TABLE – learn how to use the ALTER TABLE statement to change the structure of a table.
Renaming table – show you how to rename a table using RENAME TABLE statement.
Removing a column from a table – show you how to use the ALTER TABLE DROP COLUMN statement to remove one or more columns from a table.
Adding a new column to a table – show you how to add one or more columns to an existing table using ALTER TABLE ADD COLUMN statement.
DROP TABLE – show you how to remove existing tables using DROP TABLE statement.
Temporary tables – discuss MySQL temporary table and show you how to manage temporary tables.
TRUNCATE TABLE – show you how to use the TRUNCATE TABLE statement to delete all data in a table fast.
Generated columns – learn how to use the MySQL generated columns to store data computed from an expression or other columns.
Section 13. MySQL data typesMySQL data types – show you various data types in MySQL so that you can apply them effectively in designing database tables.
INT – show you how to use integer data type.
DECIMAL – show you how to use DECIMAL datatype to store exact values in decimal format.
BIT – introduce you BIT datatype and how to store bit values in MySQL.
BOOLEAN – explain to you how MySQL handles Boolean values by using TINYINT(1) internally.
CHAR – a guide to CHAR data type for storing the fixed-length string.
VARCHAR – give you the essential guide to VARCHAR datatype.
TEXT – show you how to store text data using TEXT datatype.
DATE – introduce you to the DATE datatype and show you some date functions to handle the date data effectively.
TIME – walk you through the features of TIME datatype and show you how to use some useful temporal functions to handle time data.
DATETIME – introduce you to the DATETIME datatype and some useful functions to manipulate DATETIME values.
TIMESTAMP – introduce you to TIMESTAMP and its features called automatic initialization and automatic update that allows you to define auto-initialized and auto-updated columns for a table.
JSON – show you how to use JSON data type to store JSON documents.
ENUM – learn how to use ENUM datatype correctly to store enumeration values.
Section 14. MySQL constraintsNOT NULL constraint – introduce you to the NOT NULL constraint and show you how to declare a NOT NULL column or add a NOT NULL constraint to an existing column.
Primary key constraint – guide you on how to use the primary key constraint to create the primary key for a table.
Foreign key constraint – introduce you to the foreign key and show you step by step how to create and drop foreign keys.
Disable foreign key checks – learn how to disable foreign key checks.
UNIQUE constraint – show you how to use UNIQUE constraint to enforce the uniqueness of values in a column or a group of columns in a table.
CHECK constraint – learn how to create CHECK constraints to ensure data integrity.
CHECK constraint emulation – if you use MySQL 8.0.15 or earlier version, you can emulate CHECK constraints using views or triggers.
Section 15. MySQL globalizationMysql Count

This section helps you get started with MySQL. We will start installing MySQL, downloading a sample database, and loading data into the MySQL server for practicing.
Installing MySQL database server – show you step by step how to install MySQL database server on your computer.
Downloading MySQL sample database – introduce you to a MySQL sample database named classicmodels. We also provide you links for downloading the sample database and its diagrams.
Loading the sample database into your own MySQL database server – walk you through steps of how to load the classicmodels sample database into your MySQL database server for practicing.
Section 2. Querying dataThis section helps you learn how to query data from the MySQL database server. We will start with a simple SELECT statement that allows you to query data from a single table.
SELECT – show you how to use simple SELECT statement to query the data from a single table.
Section 3. Sorting dataORDER BY – show you how to sort the result set using ORDER BY clause. The custom sort order with the FIELD function will be also covered.
Section 4. Filtering dataWHERE – learn how to use the WHERE clause to filter rows based on specified conditions.
SELECT DISTINCT – show you how to use the DISTINCT operator in the SELECT statement to eliminate duplicate rows in a result set.
AND – introduce you to the AND operator to combine Boolean expressions to form a complex condition for filtering data.
OR– introduce you to the OR operator and show you how to combine the OR operator with the AND operator to filter data.
IN – show you how to use the IN operator in the WHERE clause to determine if a value matches any value in a list or a subquery.
BETWEEN – show you how to query data based on a range using BETWEEN operator.
LIKE – provide you with technique to query data based on a specific pattern.
LIMIT – use LIMIT to constrain the number of rows returned by SELECT statement
IS NULL – test whether a value is NULL or not by using IS NULL operator.
Section 5. Joining tablesTable & Column Aliases – introduce you to table and column aliases.
Joins – give you an overview of joins supported in MySQL including inner join, left join, and right join.
INNER JOIN – query rows from a table that has matching rows in another table.
LEFT JOIN – return all rows from the left table and matching rows from the right table or null if no matching rows found in the right table.
RIGHT JOIN – return all rows from the right table and matching rows from the left table or null if no matching rows found in the left table.
CROSS JOIN – make a Cartesian product of rows from multiple tables.
Self-join – join a table to itself using table alias and connect rows within the same table using inner join and left join.
Section 6. Grouping dataGROUP BY – show you how to group rows into groups based on columns or expressions.
HAVING – filter the groups by a specific condition.
ROLLUP – generate multiple grouping sets considering a hierarchy between columns specified in the GROUP BY clause.
 Section 7. SubqueriesSubquery – show you how to nest a query (inner query) within another query (outer query) and use the result of the inner query for the outer query.
Derived table – introduce you to the derived table concept and show you how to use it to simplify complex queries.
EXISTS – test for the existence of rows.
Section 8. Common Table ExpressionsCommon Table Expression or CTE – explain to you the common table expression concept and show you how to use CTE for querying data from tables.
Recursive CTE – use the recursive CTE to traverse the hierarchical data.
Mysql Workbench DownloadSection 9. Set operatorsUNION and UNION ALL – combine two or more result sets of multiple queries into a single result set.
INTERSECT – show you a couple of ways to simulate the INTERSECT operator.
MINUS – explain to you the SQL MINUS operator and show you how to simulate it.
Section 10. Modifying data in MySQLIn this section, you will learn how to insert, update, and delete data from tables using various MySQL statements.
INSERT – use various forms of the INSERT statement to insert data into a table.
INSERT Multiple Rows – insert multiple rows into a table.
INSERT INTO SELECT – insert data into a table from the result set of a query.
INSERT IGNORE – explain you the INSERT IGNORE statement that inserts rows into a table and ignores rows that cause errors.
UPDATE – learn how to use UPDATE statement and its options to update data in database tables.
UPDATE JOIN – show you how to perform cross-table update using UPDATE JOIN statement with INNER JOIN and LEFT JOIN.
DELETE – show you how to use the DELETE statement to delete rows from one or more tables.
ON DELETE CASCADE – learn how to use ON DELETE CASCADE referential action for a foreign key to delete data from a child table automatically when you delete data from a parent table.
DELETE JOIN – show you how to delete data from multiple tables.
REPLACE – learn how to insert or update data depends on whether data exists in the table or not.
Prepared Statement – show you how to use the prepared statement to execute a query.
Section 11. MySQL transactionTransaction – learn about MySQL transactions, and how to use COMMIT and ROLLBACK to manage transactions in MySQL.
Table locking – learn how to use MySQL locking for cooperating table access between sessions.
Section 12. Managing MySQL databases and tablesThis section shows you how to manage the most important database objects in MySQL including databases and tables.
Selecting a MySQL database – show you how to use the USE statement to select a MySQL database via the mysql program and MySQL Workbench.
Managing databases – learn various statements to manage MySQL databases including creating a new database, removing an existing database, selecting a database, and listing all databases.
CREATE DATABASE – show you how to create a new database in MySQL Server.
DROP DATABASE – learn how to delete an existing database.
MySQL storage engines– it is essential to understand the features of each storage engine so that you can use them effectively to maximize the performance of your databases.
CREATE TABLE – show you how to create new tables in a database using CREATE TABLE statement.
MySQL sequence – show you how to use a sequence to generate unique numbers automatically for the primary key column of a table.
ALTER TABLE – learn how to use the ALTER TABLE statement to change the structure of a table.
Renaming table – show you how to rename a table using RENAME TABLE statement.
Removing a column from a table – show you how to use the ALTER TABLE DROP COLUMN statement to remove one or more columns from a table.
Adding a new column to a table – show you how to add one or more columns to an existing table using ALTER TABLE ADD COLUMN statement.
DROP TABLE – show you how to remove existing tables using DROP TABLE statement.
Temporary tables – discuss MySQL temporary table and show you how to manage temporary tables.
TRUNCATE TABLE – show you how to use the TRUNCATE TABLE statement to delete all data in a table fast.
Generated columns – learn how to use the MySQL generated columns to store data computed from an expression or other columns.
Section 13. MySQL data typesMySQL data types – show you various data types in MySQL so that you can apply them effectively in designing database tables.
INT – show you how to use integer data type.
DECIMAL – show you how to use DECIMAL datatype to store exact values in decimal format.
BIT – introduce you BIT datatype and how to store bit values in MySQL.
BOOLEAN – explain to you how MySQL handles Boolean values by using TINYINT(1) internally.
CHAR – a guide to CHAR data type for storing the fixed-length string.
VARCHAR – give you the essential guide to VARCHAR datatype.
TEXT – show you how to store text data using TEXT datatype.
DATE – introduce you to the DATE datatype and show you some date functions to handle the date data effectively.
TIME – walk you through the features of TIME datatype and show you how to use some useful temporal functions to handle time data.
DATETIME – introduce you to the DATETIME datatype and some useful functions to manipulate DATETIME values.
TIMESTAMP – introduce you to TIMESTAMP and its features called automatic initialization and automatic update that allows you to define auto-initialized and auto-updated columns for a table.
JSON – show you how to use JSON data type to store JSON documents.
ENUM – learn how to use ENUM datatype correctly to store enumeration values.
Section 14. MySQL constraintsNOT NULL constraint – introduce you to the NOT NULL constraint and show you how to declare a NOT NULL column or add a NOT NULL constraint to an existing column.
Primary key constraint – guide you on how to use the primary key constraint to create the primary key for a table.
Foreign key constraint – introduce you to the foreign key and show you step by step how to create and drop foreign keys.
Disable foreign key checks – learn how to disable foreign key checks.
UNIQUE constraint – show you how to use UNIQUE constraint to enforce the uniqueness of values in a column or a group of columns in a table.
CHECK constraint – learn how to create CHECK constraints to ensure data integrity.
CHECK constraint emulation – if you use MySQL 8.0.15 or earlier version, you can emulate CHECK constraints using views or triggers.
Section 15. MySQL globalizationMysql CountMysqlCharacter Set – discuss character set and show you step by step how to perform various operations on character sets.
Collation – discuss collation and show you how to set character sets and collations for the MySQL server, database, tables, and columns.
Section 16. MySQL import & exportMysql DownloadImport CSV File Into MySQL Table – show you how to use LOAD DATA INFILE statement to import CSV file into a MySQL table.
Export MySQL Table to CSV – learn various techniques of how to export MySQL table to a CSV file format.
Mysql Create DatabaseSection 17. Advanced techniquesMysql DownloadNatural sorting – walk you through various natural sorting techniques in MySQL using the ORDER BY clause.