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What is Database  A database is an organized collection of data. The data is typically organized to model aspects of reality in a way that supports processes.

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Presentation on theme: "What is Database  A database is an organized collection of data. The data is typically organized to model aspects of reality in a way that supports processes."— Presentation transcript:

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2 What is Database  A database is an organized collection of data. The data is typically organized to model aspects of reality in a way that supports processes requiring information.data  For example: library,Bank  Database management systems are computer software applications that interact with the user, other applications, and the database itself to capture and analyze data.computer software  Well-known DBMSs include MySQL, PostgreSQL,Microsoft SQL Server, Oracle, Sybase and IBM DB2.MySQLPostgreSQLMicrosoft SQL ServerOracleSybaseIBM DB2

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4 MySQL  MySQL is an open source relational database management system. It is based on the structure query language (SQL).SQL  Standard SQL commands, such as ADD, DROP, INSERT, and UPDATE can be used with MySQL.  MySQL can be used for a variety of applications, but is most commonly found on Web servers.  Many database-driven websites that use MySQL also use a Web scripting language like PHP to access informationPHP from the database.

5 PostgreSQL  PostgreSQL, is an object-relational database management system (ORDBMS).object-relational database management system  As a database server, its primary function is to store data securely, supporting best practices, and to allow for retrieval at the request of other software applications.  Recent versions also provide replication of the database itself for availability and scalability.scalability  PostgreSQL is cross-platform and runs on many operating systems including Linux, FreeBSD, Solaris, and Microsoft Windows.cross-platformoperating systemsLinuxFreeBSDSolarisMicrosoft Windows  PostgreSQL is developed by the PostgreSQL Global Development Group, a diverse group of many companies and individual contributors. It is free and open source softwarefree and open source software

6 Microsoft SQL Server  Microsoft SQL Server is a relational database management system developed by Microsoft.relational database management systemMicrosoft  As a database, it is a software product whose primary function is to store and retrieve data as requested by other software applications.  Today, SQL is commonly used for Web database development and management.  Though SQL is now considered to be a standard language, there are still a number of variations of it, such as mSQL and mySQL.  Its primary query languages are T-SQLquery languagesT-SQL and ANSI SQL.ANSI SQL

7 Oracle Database  Oracle Database(commonly referred to as Oracle RDBMS or simply as Oracle) is an object-relational database management system.object-relational database management system  IT was produced and marketed by Oracle Corporation.Oracle Corporation  SDL developed the original version of the Oracle software.  An Oracle database system identified by an alphanumeric system identifier or SID—comprises at least one instance of the application, along with data storage.instance  The Oracle RDBMS stores data logicallystores data logically in the form of tablespaces and tablespaces physically in the form of data filesfiles ("datafiles").datafiles

8 Sybase  Sybase is an enterprise software and services company offering software to manage, analyze, and mobilize information, using relational databases, analytics and data warehousing solutions and mobile-application development platforms.enterprise software relational databasesanalyticsdata warehousing mobile-application  Sybase is a standalone subsidiary of SAP.SAP  Sybase works with companies in infrastructure, data storage and virtualization to optimize technologies for delivery into public and virtual private cloud environments that provide greater technology availability and flexibility to Sybase customers looking to unwire their enterprise.data storage virtualization virtual private cloud  Sybase has a strong presence in the financial services, telecommunications,financial services telecommunications technology, and government markets.

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