List the most used commercial Database Management Systems of all kind!?
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So, in order of which system processes the most amount of data today, it would be:\n\n1. DB2\n2. Oracle\n3. MS SQL Server\n4. MySQL (not really commerical though)\n5. MS Access\n6. Sybase/Illustra\n7. FoxPro\n8. All others...\n\nIf this is the best answers, please vote it the best answer. Thanks!
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Read this short review:\nhttp://en.wikipedia.org/wiki/DBMS
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It would be helpful to know what version of SQL you want.\n\nFor Transact-SQL (Microsoft): http://msdn.microsoft.com\n\nFor MySQL: http://forums.mysql.com/\n\nFor PL/SQL (Oracle): http://education.oracle.com/
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Data Base Management System\nthe system which add,delete and manipulate recordes,fields and tables in a database
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Your question is pretty open-ended... And you got so many questions here! :)\n\nClassification of database server... There are usually four classes that I see: desktop, multi-user, client-server, cluster-server. Those may not be the formal terms used in the industry, BTW. As I did not read YOUR text, I may have a different system of classification than your text, so... caveat emptor! :)\n\ndesktop -- your typical single user database, Access, Paradox, Filemaker, etc. \n\nMulti-user -- most of these programs will also work with multiple users when installed and configured on a network. \n\nClient-server -- A dedicated server program, that talks to SQL clients over a network. Examples are MS SQL Server, Oracle 9i, and so on. \n\nCluster-Server -- a database server that runs on a GROUP of servers (i.e. a cluster) \n\nWhere are they used? Anywhere there is data! Accounting system has a database system as its foundation. All Customer Relations Management (CRM) software are basically databases. A mailing list is a database, so is an addressbook, a phonelist, and so on. Most websites (such as this Yahoo Answers site) that requires interaction has a database backend where answers and questions and user data are stored. \n\nCommunication between the client and the server: there is no "standard" per se for those communications. Microsoft tried to impose a standard way back when, and with a little help from third-party the standard, known as ODBC (open database connectivity) actually stuck. Basically it defined a set of SQL commands that a database must minimally support. In other cases, the communication between client and server is that database's proprietary information. \n\nAdvantages? A database basically makes finding something easier. Say you want to check who among your clients are in California, or more specifically, northern California, you can find out by tapping a few commands, instead of going through each and every client record. For a short list there wouldn't be much difference, but the longer the list, the bigger the time savings. When the entry is a few thousand lines long, it is no longer practical to do by hand, and just imagine the size of a database used by the IRS to keep track of your tax info! The more complicated databases can also handle permissions, giving some people ability to enter but not delete, others view only, and so on and so forth. \n\nDisadvantage? Database usually cost money, at least the commercial ones. And most have a proprietary format and special commands that require expertise to use. You will need someone to set it up, then populate the data, and you will need\nsomeone to administer it later. It is another layer of complexity and expense. A database server that works well demands hefty hardware. We're not talking $500 desktops here, but rather $10000 dedicated servers armed with dual or quad Xeons / Opterons and 5-7 disk RAID arrays, and we haven't counted the software itself yet!
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My guess would be that you're asking about a database named "Oracle".  It's used for storing and categorizing large amounts of information.  Examples might be: Customer information, Invoices, Inventory, Orders, etc.
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Normally private software have their own way to store data through proprietary format files.\n\nAn Microsoft Access or Microsoft SQL Server can do the same thing (and often better) than those proprietary format but you need to buy them (and they are expensive).\n\nIn fact, Access and SQL Server is normally used by business to keep their information about their customer. I won't tell you the difference between all those databases but if you really need something to work with, I suggest you SQL Server 2005 Express which is totally free. ( http://go.microsoft.com/fwlink/?LinkId=64064 )
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It's a matter of personal taste. For those who have a very strong database background, I would recommend iBatis. With it, you will *always* work with real SQL.\n\nOn the other hand, if you use hibernate, you can take an approach of writting code which will be portable amongst many databases.\n\nMy experience says that it is a lot easier for a company to change their application server or programming language than it is for them to change their database server (this may not be your case). So, writting unportable (but efficient) SQL code is not a sin.
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I use modwest.com.  Good prices, reliable servers, plus they actually KNOW something about PHP and MySQL.
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I found this for you : http://www.databasejournal.com/features/mssql/article.php/1756161\n\nHope that helps! Sounds like fun!
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That being a microsoft program u can use a ligter version which i beleive is free too... it's called SQL 2005 Express Edition... if you want something fully robust and not deal with the high cost, I would personally recommend MySQL. I have used it in all my softwares and we currently use it in our main datacenter to handle all our data from our 35 remote offices world wide... it is extremely fast... we handle over a million transactions a day... give it a try.
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http://www.databaseanswers.org/data_models/
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Since mysql, Oracle, DB2 and Microsoft all offer free versions of their databases I am not sure who would pay money for a database.  Try selling something else.
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The PostgreSQL database server provides a reliable, robust database solution at no cost. Here's a link which will clearly expalins how to do it\n\nhttp://www.builderau.com.au/program/dotnet/soa/Integrate_PostgreSQL_with_NET/0,339028399,339267580,00.htm
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Please elaborate more on what database is of interest and what programming language you are looking for.\n\nIf in doubt, start by thinking about the platform you want to be programming on (Windows, Linux), what type of application (Web, Desktop), what type of licenses (Open Source, commercial) and we will be able to guide you to what you should be looking for.\n\nEasy does it!
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I would use PHP, ASP, or Perl for web applications.\n\nVisual Basic would be ok for a software interface if that is the language you know.\n\nSome links for you:\nhttp://www.downloaddatabase.com/databasemanagement/asp-php-web-database-interface-builder.htm\nhttp://sourceforge.net/projects/phpdbi/\n\nhttp://www.databasejournal.com/features/php/article.php/3305401\nhttp://www.spsu.edu/cs/faculty/bbrown/papers/php3.html\n\nhttp://www.tutorial-web.com/asp/database/\nhttp://www.rcbowen.com/imho/cgi-database/index.html\n\nHope this helps.
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Database development, Data mining, System's Security, and many more