Mysql

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Mysql

  1. 1. MySQL MySQL is the most popular open source database system.
  2. 2. MySQL <ul><li>MySQL is a relational database management system that runs as a server providing multi-user access to a number of databases. </li></ul><ul><li>The data in MySQL is stored in database objects called tables. </li></ul><ul><li>A table is a collection of related data entries and consists of rows and columns. </li></ul><ul><li>Databases are useful when storing information categorically. </li></ul>
  3. 3. Database Tables A database most often contains one or more tables. Each table is identified by a name (e.g. &quot;Customers&quot; or &quot;Orders&quot;). Tables contain records (rows) with data. Below is an example of a table called &quot;Persons&quot;: Persons Table: Last Name FirstName Address City Handsen Ola Timoteivn 10 Sandnes Joy Tova Borgvn 23 Sandnes San Karim Storgt 20 Stavanger
  4. 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 &quot;LastName&quot; column from &quot;Persons&quot; table, and will return a recordset like this: LastName Handsen Joy San
  5. 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. 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. 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.

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