1. MySQL MySQL is the most popular open source database system.

3. Database Tables A database most often contains one or more tables. Each table is identified by a name (e.g. "Customers" or "Orders"). Tables contain records (rows) with data. Below is an example of a table called "Persons": Persons Table: Last Name FirstName Address City Handsen Ola Timoteivn 10 Sandnes Joy Tova Borgvn 23 Sandnes San Karim Storgt 20 Stavanger

4. Queries * A query is a question or a request. * With MySQL, we can query a database for specific information and have a recordset returned. Example : Select LastName from persons This query selects all the data in "LastName" column from "Persons" table, and will return a recordset like this: LastName Handsen Joy San

5. Features 1)Strong Data Protection: * Powerful mechanisms for ensuring only authorized users have access. * Powerful data encryption and decryption functions. 2)Management Ease: * Use Event Scheduler automatically schedule common recurring SQL- based tasks to execute on the database server * Average time from software download to complete installation is less than fifteen minutes

6. Features 3) Comprehensive Application Development: * Support for stored procedures, triggers, functions, views, cursors, ANSI-standard SQL, and more. * Plug-in libraries to embed MySQL database support into nearly any application. 4) Scalability and Flexibility: Run anything from ... * Deeply embedded applications with a footprint of just 1MB, or * Massive data warehouses holding terabytes of information.

7. Features 5) High Performance: * Table and Index Partitioning * Ultra-fast load utilities * Distinctive memory caches * Full-text indexes, and more 6) Lowest Total Cost of Ownership: * Save on database licensing costs and hardware expenditures, all while cutting systems downtime.