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MariaDB is a community developed, open source relational database management system.
- Development was led by few of the original developers of MySQL
- It's an improved version of MySQL with numerous inbuilt powerful features,security, performance improvements compared to MySQL.
- High compatibility with MySQL and thus it has exact matching with MySQL APIs and commands with new features.
- New storage engine, Aria
- MariaDB has been supported in Amazon RDS service and Microsoft Azure.
- Intended to remain free and open source software under GPL, BSD or LGPL licenses.
- Supports different programming languages and runs on different operating systems.
CREATE command is used to create a table, schema or an index.
CREATE TABLE table_name (
column1 datatype,
column2 datatype,
....);
ALTER command is used to add, modify or delete columns or constraints from the database table.
ALTER TABLE Table_name ADD column_name datatype;
TRUNCATE command is used to delete the data present in the table but this will not delete the table.
TRUNCATE table table_name;
DROP command is used to delete the table along with its data.
DROP TABLE table_name;
RENAME command is used to rename the table name.
ALTER TABLE table_name1 RENAME to new_table_name1;
INSERT Statement is used to insert new records into the database table.
INSERT INTO table_name (column1, column2, column3, ...) VALUES (value1, value2, value3, ...);
Select statement is used to select data from database tables.
SELECT column1, column2, ...
FROM table_name;
UPDATE statement is used to modify the existing values of records present in the database table.
UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;
DELETE statement is used to delete the existing records present in the database table.
DELETE FROM table_name where condition;