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Go Back  dBforums > PC based Database Applications > Other PC Databases > types of databases?

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types of databases?

please specify the types of databases.................
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You have most likely received no replies because your question is too broad.

You need to explain what you are looking for. It does not really matter that you know what you are looking for - the people who would help do not understand what you are looking for. Cite a couple of examples and we may be able to proceed from there.
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There are two main types of database; flat-file and relational.

Flat file:The flat-file style of database are ideal for small amounts of data that needs to be human readable or edited by hand.


Relational database:the relational databases such as MySQL, Microsoft SQL Server and Oracle, have a much more logical structure in the way that it stores data. Tables can be used to represent real world objects, with each field acting like an attribute.
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Quote:
There are two main types of database; flat-file and relational.
Completely not true . . .

Maybe TS will provide some clarification and we can then answer the "real" question.
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Quote:
Originally Posted by riyaraj View Post
There are two main types of database; flat-file and relational.

Flat file:The flat-file style of database are ideal for small amounts of data that needs to be human readable or edited by hand.


Relational database:the relational databases such as MySQL, Microsoft SQL Server and Oracle, have a much more logical structure in the way that it stores data. Tables can be used to represent real world objects, with each field acting like an attribute.

Thanks for your information
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How do you intend to use the "information" you quoted?

Designers provide the logical structure - not the database product. There are many non-relational database systems (NOT flat-file style) that are quite properly "structured".

If you post what you really want to know/learn, someone will probably be able to clarify.
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A problem frequently encountered is the mis-use of the term DATABASE itself.

Too many times individuals use the term DATABASE, when they mean APPLICATION development language/tool which may or may not 'talk' to a DATABASE.

Also the term DATABASE is often used in-accurately to describe some file (often some form of a text or Excel file) containing Data - which is not a DATABASE.

And some older application development languages/tools used the term DATABASE to describe Data Tables which are not DATABASES.

Finally there are DATABASE SERVERS (such as MS SQL, MySQL, Oracle, Sybase, PostgreSQL, DB2, Informix, etc.) which are 'intelligent' servers, often with their own 'language', which can deliver data back to or receive data from an application (often developed in another language) when the appropriate commands are issued.

As was asked before, your helping us to understand what you are going to do with the information on this WAY TOO GENERAL question might enable us to answer your question in a manner more focused towards your needs.

Good Luck
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Quote:
Originally Posted by jrbbldr View Post
A problem frequently encountered is the mis-use of the term DATABASE itself.

Too many times individuals use the term DATABASE, when they mean APPLICATION development language/tool which may or may not 'talk' to a DATABASE.

Also the term DATABASE is often used in-accurately to describe some file (often some form of a text or Excel file) containing Data - which is not a DATABASE.

And some older application development languages/tools used the term DATABASE to describe Data Tables which are not DATABASES.

Finally there are DATABASE SERVERS (such as MS SQL, MySQL, Oracle, Sybase, PostgreSQL, DB2, Informix, etc.) which are 'intelligent' servers, often with their own 'language', which can deliver data back to or receive data from an application (often developed in another language) when the appropriate commands are issued.

As was asked before, your helping us to understand what you are going to do with the information on this WAY TOO GENERAL question might enable us to answer your question in a manner more focused towards your needs.

Good Luck
Thanks for your information with detailed manner...
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Analytic Databases
Operational Databases
Network Databases
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We use My SQL Database the best free one.
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Oracle, SQL, Sybase, posgres, Access, DB2,MYSQL, sqlite,perl
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thanks for your answer..
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Below types of databases...........

General interest databases - include information from several different subject areas and disciplines.
Discipline-specific databases - include information for several related subject areas.
Subject-specific databases - focus on providing information for one particular subject.
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colesraymond - unfortunately your categories define database content, not database type

Yes, when someone goes looking for content, they find terms like: Auto-Make/Model database, etc. which might appear to be consistent with your descriptions - but here the term is used to merely describe an assortment of associated topic-specific data and that is misleading.

In fact, most often when this type of data is purchased the information is not delivered in a database format at all, but instead it arrives in an Excel file, a CSV formatted file, or other non-database format.

So your descriptions unfortunately do not truly describe the database type - merely the content type/categories

Hopefully sathiyavathi got the answer(s) they were looking for.
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