Folder
Just like real world folders, folders on your hard drive store files. These files can be documents, programs, scripts, libraries, and any other kind of computer file you can think of. Folders can also store other folders, which may store more files or other folders, and so on.
Folders allow people to organize their files in a way that makes sense to them. For example, a college student might store all her photos in a folder named "Pictures," all her papers in a folder named "School Work," and all her financial information (including the tens of thousands of dollars in student loans) in a folder named "Finances." All these folders might reside within a folder called "My Documents."
The computer's operating system also uses folders to store data such as system files, library files, and user preferences. While
File
A text file is like a word processor file except there is no formatting in it.open windows notepad. Type some text and save it as file.txtthat is a text file.images, html, software etc are other types of text files. The 3 character extension on the end of the filename tells your computer what type of file it is and how to execute it or what other program to display it .While
Records
(1) In database management systems, a complete set of information. Records are composed of fields, each of which contains one item of information. A set of records constitutes a file. For example, a personnel file might contain records that have three fields: a name field, an address field, and a phone number field.
In relational database management systems, records are called tuples.
(2) Some programming languages allow you to define a special data structure called a record. Generally, a record is a combination of other data objects. For example, a record might contain three integers, a floating-point number, and a character string. While
Data Field
A data dictionary, as defined in the IBM Dictionary of Computing is a "centralized repository of information about data such as meaning, relationships to other data, origin, usage, and format."[1] The term may have one of several closely related meanings pertaining to databases and database management systems (DBMS):
a document describing a database or collection of databases
an integral component of a DBMS that is required to determine its structure
a piece of middleware that extends or supplants the native data dictionary of a DBMS
Just like real world folders, folders on your hard drive store files. These files can be documents, programs, scripts, libraries, and any other kind of computer file you can think of. Folders can also store other folders, which may store more files or other folders, and so on.
Folders allow people to organize their files in a way that makes sense to them. For example, a college student might store all her photos in a folder named "Pictures," all her papers in a folder named "School Work," and all her financial information (including the tens of thousands of dollars in student loans) in a folder named "Finances." All these folders might reside within a folder called "My Documents."
The computer's operating system also uses folders to store data such as system files, library files, and user preferences. While
File
A text file is like a word processor file except there is no formatting in it.open windows notepad. Type some text and save it as file.txtthat is a text file.images, html, software etc are other types of text files. The 3 character extension on the end of the filename tells your computer what type of file it is and how to execute it or what other program to display it .While
Records
(1) In database management systems, a complete set of information. Records are composed of fields, each of which contains one item of information. A set of records constitutes a file. For example, a personnel file might contain records that have three fields: a name field, an address field, and a phone number field.
In relational database management systems, records are called tuples.
(2) Some programming languages allow you to define a special data structure called a record. Generally, a record is a combination of other data objects. For example, a record might contain three integers, a floating-point number, and a character string. While
Data Field
A data dictionary, as defined in the IBM Dictionary of Computing is a "centralized repository of information about data such as meaning, relationships to other data, origin, usage, and format."[1] The term may have one of several closely related meanings pertaining to databases and database management systems (DBMS):
a document describing a database or collection of databases
an integral component of a DBMS that is required to determine its structure
a piece of middleware that extends or supplants the native data dictionary of a DBMS
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