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Understanding the Data Hierarchy

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Understanding the Data Hierarchy Empty Understanding the Data Hierarchy

Tue Jul 31, 2018 1:22 pm
You can have data without information,
but you cannot have information without data.
ㅡ Daniel Keys Moran




When businesses store data items on computer systems, they are often stored in a framework called the data hierarchy that describes the relationships between data components.





  • Characters are letters, numbers, and special symbols, such as A, 7, and $. Anything you can type from the keyboard in one keystroke is a character, including seemingly “empty”characters such as spaces and tabs.

  • Fields are data items that each represent a single attribute of a record; fields are composed of one or more characters. Fields include items such as lastName, middleInitial,streetAddress, or annualSalary.

  • Records are groups of fields that go together for some logical reason. A random name, address, and salary aren’t very useful, but if they’re your name, your address, and your salary, then that’s your record. An inventory record might contain fields for item number, color, size, and price; a student record might contain an ID number, grade point average, and major.

  • Files are groups of related records. The individual records of each student in your class might go together in a file called Students.dat. Similarly, records of each person at your company might be in a file called Personnel.dat.  






Understanding the Data Hierarchy 210




A database holds groups of files or tables that together serve the information needs of an organization.
Database software establishes and maintains relationships between fields in these tables, so that
users can pull related data items together in a format that allows businesspeople to make managerial
decisions efficiently.


Have you ever tried working on database? If yes, can you share us your own experience? if not, would you like to create your own database in the near future?


Last edited by Admin Rash on Tue Aug 07, 2018 10:49 am; edited 5 times in total
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Tue Aug 07, 2018 9:21 am
judedominguiano wrote:Have you ever tried working on database? Yes ma'am why?
Of course, I did. Actually it is a requirement for us to work with our own database. Super helpful sya specially kung need mo talaga mag-store ng large amount of data.
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Thu Aug 09, 2018 11:35 am
ma'am usually saang lugar po may database ?

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Thu Aug 09, 2018 2:46 pm
Sean wrote:ma'am usually saang lugar po may database ?

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One example of ng mga kailangan gumamit ng databases are companies. Since kailangan nila magstore ng data, gumagamit sila ng database for queries. Yung sa mga restaurants, every transactions, pumapasok sya sa databases nila.
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Thu Aug 09, 2018 4:06 pm
Maituturing bang Database ang record of students kahit wala sa computer?
LouiseSebastianeYagi
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Thu Aug 09, 2018 5:00 pm
Ma’am if database is considered a file, then what is the difference between data and a file?

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Thu Aug 09, 2018 5:02 pm
Hindi Luwiezz kasi hindi na siya quick access eh. Tsaka mahirap hanapin yung record ng studyante kung mano-mano mong hahanapin. Sa database kasi all infos, lahat ng kailangan basta ilagay mo lang, hahanap siya ng magmamatch na identity dun sa hinahanap mo. Opinyon ko lang.

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Thu Aug 09, 2018 5:03 pm
Sean wrote:ma'am usually saang lugar po may database ?

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Sa tingin ko pre, ang Garena ay isang database kasi server siya para ma-access mo lahat ng different games and maka-acceess ng multiple accounts. Sa tingin ko lang naman. Hahahaha!

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Thu Aug 09, 2018 5:04 pm
Ma’am question po, diba sabi niyo po nagtry na kayo mag-database, ilang records po ang ginawa niyo nun at paano po siya na-consider na database?

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Thu Aug 09, 2018 5:22 pm
LouiseSebastianeYagi wrote:Ma’am question po, diba sabi niyo po nagtry na kayo mag-database, ilang records po ang ginawa niyo nun at paano po siya na-consider na database?

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Macoconsider syang data base if ang file type nya ay .dat. Khit 1 file lng. Opinion ko lng.
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Thu Aug 09, 2018 5:23 pm
LouiseSebastianeYagi wrote:
Sean wrote:ma'am usually saang lugar po may database ?

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Sa tingin ko pre, ang Garena ay isang database kasi server siya para ma-access mo lahat ng different games and maka-acceess ng multiple accounts. Sa tingin ko lang naman. Hahahaha!

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Same IDEA. S tingin ko s mga servers madalas may database.
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Thu Aug 09, 2018 5:24 pm
Luwiezzz wrote:Maituturing bang Database ang record of students kahit wala sa computer?

Well if .dat p den ung file khit nsa USB sya. Database pa den sya para sakin.
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Thu Aug 09, 2018 5:26 pm
LouiseSebastianeYagi wrote:Ma’am if database is considered a file, then what is the difference between data and a file?

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Pag data ang alam ko structured na sya. Pag file unstructured.
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justjoking10
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Thu Aug 09, 2018 5:30 pm
Maam. Ang space po ay considered as character po dba. Ano po ang size ng space?
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justjoking10
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Thu Aug 09, 2018 5:43 pm
Maam. Data base n den po nmn pinag uusapan. Pano po un ioopen?
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Thu Aug 09, 2018 5:49 pm
justjoking10 wrote:Maam. Ang space po ay considered as character po dba. Ano po ang size ng space?

1 bit nadin siguro kasi character eh.

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Thu Aug 09, 2018 5:50 pm
justjoking10 wrote:Maam. Data base n den po nmn pinag uusapan. Pano po un ioopen?

Alam ko may program na kailangan para ma-open yun eh.

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Thu Aug 09, 2018 5:51 pm
justjoking10 wrote:Ma’am if database is considered a file, then what is the difference between data and a file?

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Pag data ang alam ko structured na sya. Pag file unstructured.

Eh di meaning nun hindi structured ang databse, considering it is a file?

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Thu Aug 09, 2018 5:52 pm
justjoking10 wrote:Maituturing bang Database ang record of students kahit wala sa computer?

Well if .dat p den ung file khit nsa USB sya. Database pa den sya para sakin.

Hindi pa siguro database yung kung hindi pa madami. Kasi alam ko ang .dat ay datafile palang.

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Thu Aug 09, 2018 5:53 pm
[quote="justjoking10"]
Sean wrote:ma'am usually saang lugar po may database ?

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Sa tingin ko pre, ang Garena ay isang database kasi server siya para ma-access mo lahat ng different games and maka-acceess ng multiple accounts. Sa tingin ko lang naman. Hahahaha!

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Same IDEA. S tingin ko s mga servers madalas may database.

Oo. Ang sabi kasi nila ma’am and sir kanina ay database daw kasi ay server din daw.

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Thu Aug 09, 2018 5:55 pm
justjoking10 wrote:Ma’am question po, diba sabi niyo po nagtry na kayo mag-database, ilang records po ang ginawa niyo nun at paano po siya na-consider na database?

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Macoconsider syang data base if ang file type nya ay .dat. Khit 1 file lng. Opinion ko lng.

Considered siya kung yung 1 file ay naglalaman ng multiple or mass records. Pero paano kapag iilan lang?

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Thu Aug 09, 2018 8:16 pm
Luwiezzz wrote:Maituturing bang Database ang record of students kahit wala sa computer?
paano yun pre ? naka sulat lang sa papel ganun ?

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Thu Aug 09, 2018 8:26 pm
LouiseSebastianeYagi wrote:Ma’am if database is considered a file, then what is the difference between data and a file?

pre opinyon ko lang . yung data kasi siya yung mga quantities, characters, or symbols in which operations are performed by a computer, also yung file is naka stored and transmitted . Yung data din pala yung may relationship yung bawat laman nun. Tapos pinagisa lang siya pre . while yung file naman siya yung nag co.collect ng mga data, program etc. Naka stored siya sa computer memory o sa storage device na may single identifying name lang siya .

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Thu Aug 09, 2018 8:27 pm
LouiseSebastianeYagi wrote:
Sean wrote:ma'am usually saang lugar po may database ?

Sa tingin ko pre, ang Garena ay isang database kasi server siya para ma-access mo lahat ng different games and maka-acceess ng multiple accounts. Sa tingin ko lang naman. Hahahaha!

tama ka pre pero sa tingin ko bawat games may sariling database .

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Thu Aug 09, 2018 8:30 pm
justjoking10 wrote:Maam. Ang space po ay considered as character po dba. Ano po ang size ng space?
sa tingin ko pre same lang ata ng size ng letters yung size ng space .

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