What is a Database Management System?
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Hi buddy,\n\nDatabase Management System is not a software or some kind of application. Its just a concept, It says how data are to be stored, maintained, modified or retrieved, etc.\n\nMs Access, Oracle, etc  are the softwares that come with the implementation of the Database Management System Concepts, where u can store ur data, retrieve it, delete it, etc. These softwares are bought by companies and are used for their database management.
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It is a Management tool to manage your assets and facilities efficiently.It can be deployed as a enterprise wide solution.
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It is a database software.
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What you need to dig into is SQL for database inquiry and update.
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Examples are all around you and in your everyday living. Say you go to the bank. The teller will ask you the bank account number or your social security number. Then they punch in the computer to bring up your account information. That's a database management system. \n\nAnother example, you go to a colleage and the registration office would need your student id to enter grades. That's another database management system. \n\nYour identity, including age, gender, race, date of birth, social security number are all stored in some kind of database management system.
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Order management system: Software that receives customer order information and inventory availability from the warehouse management system and then groups orders by customer and priority, allocates inventory, and determines delivery dates; also called order processing system\n\ntry google & other search engines with links to information managemnt\n\nbye & best of luck
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A database stores information in tables.  Each table has a list of information in it.\n\nA school's database might have one table called classes and another called students.\n\nClass (two columns, classID and class)\nM-101  Albegra\nM-201  Trig\nM-301  Calculus\nM-401  Calc II\n\nStudents (two columns, studentID student)\n1  Mary Jane\n2  Bob Jones\n3  Tom Smith\n\nIf the school wants to track which students are in which classes, they would need another table.\n\nstudents_in_classes (two columns, studentID and classID):\n1  M-101\n2  M-101\n3  M-301\n\nThis table suggests a relationship between students and classes: a student is registered for a set of classes and a class has a set of students.  \n\nBecause they are good at storing relationships, most databases are called Relational Database Management Systems (RDBMS).  \n\nImagine if we managed more relationships: which students were in which class years; which students got what grades in which classes; who are the parents of each student.  \n\nUsing this relational approach, if a student's named changed, we would only need to change it in one place: the students table.  If the student's mother changed her name (let's say she re-marries after a divorce) that would only need to change one place.  \n\nThis design -- keeping data in as few places as possible -- is called normalization.\n\nRDBMS's use a language called SQL (Structured Query Language) to manage the information.  If I wanted to get a list of all students taking Calculus, I would use this SQL:\n\nselect s.*\nfrom students s, students_in_classes sc\nwhere sc.classID = 'M-301'\nand sc.studentID = s.studentID\n\nAccess is a relational database that comes with MS Office.  If you don't have Office, MySQL is a free relational database that you can download from mysql.com if you want to learn about them.
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The data base administrator (DBA) is a key role for companies that use large databases.  The DBA is responsible for the planning, installation and ongoing maintenance of the company's databases, and it's very specialized work.  Plus when the database is not online (not working), the DBA is in panic mode - it's not a relaxing situation.\n\nMost large companies have a group of DBA's, not just one.\n\nYou need training, either Oracle certification training or a BS in Computer Science or similar (preferred). You can learn from an experienced DBA if the company has one or more already and they want to add staff - this type of apprenticeship is the way a lot of today's current DBA learned, supplemented by the occasional training course from the database software vendor.\n\nOracle's website describes the training classes available for DBA's.
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Advantages of a Database\n·        Reduction in data redundancy \n·        Maintenance of data integrity and quality \n·        Avoidance of inconsistency  \n·        Reduced cost of software development  \n·        Security restrictions  \n\n\nThe biggest advantage is that if a standard way to organize and store data that  allows you to decouple the representation of the data from the software that uses it.\n\nThis allows you to move or reorganize data without have to find every program that uses the data and change them to match the change in the data. \n\n\naccess speed and increase in space to represent the data are the big disadvantages.
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A data warehouse is a collection of data gathered and organized so that it can easily by analyzed, extracted, synthesized, and otherwise be used for the purposes of further understanding the data. It may be contrasted with data that is gathered to meet immediate business objectives such as order and payment transactions, although this data would also usually become part of a data warehouse.\n\nor\n\nA technique for properly assembling and managing data from various sources for the purpose of answering business questions and making decisions that were not previously possible.
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Somehow u're right, MySQL is a multithreaded, multi-user, SQL Database Management System (DBMS). MySQL is popular for web applications such as MediaWiki or PHP-Nuke and acts as the database component of the LAMP and WAMP platforms (Linux/Windows-Apache-MySQL-PHP/Perl/Python). Its popularity as a web application is closely tied to the popularity of PHP, which is often combined with MySQL and nicknamed the Dynamic Duo. It is easy to find many references that combine the two in websites and books (PHP and MySQL for Dummies, PHP and MySQL Bible, Beginning PHP and MySQL, etc.) The claim made in many books is that MySQL is easier to learn and use than many other database applications. An example from the Dummies book is that you can quit MySQL with an obvious command of either exit or quit, although this is true for many other database applications.
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You would need Apache server http://httpd.apache.org/, you might also want to install MySQL http://www.mysql.com/ or PostgreSQL http://www.postgresql.org/ for database management.  In addition you might also want to install PHP www.php.net to run PHP scripts. With those 3 things you should be able to start a simple web server.
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If what you are asking is what you can use to store and manage data (don't know about the 'buy' part) I can take a stab at it. \n\nI am a software engineer that has been writing database applications for 13 years. What I have used are:\nMicrosoft Access (http://office.microsoft.com/en-us/access/default.aspx)\nMySQL (an Open Source, free database) (http://www.mysql.com/)\nMicrosoft SQL Server (http://www.microsoft.com/sql/default.mspx) and \nOracle (http://www.oracle.com/index.html).  \n\nThese are pretty much the viable solutions depending on the application. MS Access is more of a poor-mans solution but certainly capable of handling 100's of thousands of rows of data, MySQL is a bit more complex but has evolved and even has a User Interface to manage the database now and fairly capable in terms of it's data capacity. SQL Server/Oracle are the full-blown Database Management Systems (DBMS) that cost the big bucks to license but are what large enterprises/web sites use to hold all their data.\n\nHope this helps.
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SQL : Structured Query Language, is the most popular computer language used to create, modify and retrieve data from relational database management systems. The language has evolved beyond its original purpose to support object-relational database management systems. It is an ANSI/ISO standard.\n \nT-SQL : Short for Transaction-SQL an extended form of SQL that adds declared variables, transaction control, error and exception handling and row processing to SQL’s existing functions. \n\nMS SQL : Microsoft SQL and its Programing Software from Microsoft
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Open Database Connectivity (ODBC) provides a standard software API method for using database management systems (DBMS). The designers of ODBC aimed to make it independent of programming language, database system and operating system.\n\nFor More infromation \n  http://en.wikipedia.org/wiki/ODBC
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MS Access IS NOT a relational Database Management System, but merely a Jet engine used to store data for Desktop Applications.\n\nMS Access was introduced by Microsoft in an attempt to compete with Fox Pro. When things did not work out as expected, MS bought Fox Pro.\n\nMS Access can be used as the data store for small desktop applications, but is not convenient for programs with multiuser client - server architectures.
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Access is fully programmable, and easy to set up for small databases.  You could probably do this yourself.  I'm not sure you will find an actual "Lost and Found" database, but morelikely find an inventory control or the like.