Data dictionary - Revision history

EdBot: Category:Computer Science

2008-04-01T20:51:52Z

Category:Computer Science

CSGuy at 04:50, December 14, 2007

2007-12-14T04:50:49Z

Jallen at 15:56, October 24, 2007

2007-10-24T15:56:41Z

HelpJazz: Undo revision 319602 by Special:Contributions/JeffL (User talk:JeffL)

2007-10-20T00:53:20Z

Undo revision 319602 by Special:Contributions/JeffL (User talk:JeffL)

JeffL: /* Description */

2007-10-20T00:41:32Z

Description

Isaac4given: more information

2007-09-16T23:20:36Z

more information

HelpJazz: clean up

2007-09-15T16:35:52Z

clean up

Isaac4given: New page: == Description == A data dictionary is a collection of database metadata, which is data about data. One kind of data dictionary is a human view of entities, attributes, and relationships,...

2007-09-14T16:40:42Z

New page: == Description == A data dictionary is a collection of database metadata, which is data about data. One kind of data dictionary is a human view of entities, attributes, and relationships,...

New page

== Description ==

A data dictionary is a collection of database metadata, which is data about data. One kind of data dictionary is a human view of entities, attributes, and relationships, called a designer's data dictionary. There is usually a data dictionary that is internal to the DBMS, called a system catalog, which contains additional system-generated metadata. A designer's data dictionary can be derived from the system catalog, and the terms "data dictionary" and "system catalog" are often used interchangeably.

== Purpose ==

== Database Designer's Database ==

← Older revision		Revision as of 20:51, April 1, 2008
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	A data dictionary is sometimes called a '''database designer's database''' because it defines choices made in light of [[database]] design of entities and their characteristics.		A data dictionary is sometimes called a '''database designer's database''' because it defines choices made in light of [[database]] design of entities and their characteristics.

−	[[~~category~~:Computer ~~science~~]]	+	[[Category:Computer Science]]

← Older revision		Revision as of 04:50, December 14, 2007
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−	~~== Description ==~~
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	A '''data dictionary''' is a collection of [[database]] metadata, which is data about data. One kind of data dictionary is a human view of entities, attributes, and relationships, called a designer's data dictionary. There is usually a data dictionary that is internal to the [[DBMS]], called a system catalog, which contains additional system-generated metadata. A designer's data dictionary can be derived from the system catalog, and the terms "data dictionary" and "system catalog" are often used interchangeably.		A '''data dictionary''' is a collection of [[database]] metadata, which is data about data. One kind of data dictionary is a human view of entities, attributes, and relationships, called a designer's data dictionary. There is usually a data dictionary that is internal to the [[DBMS]], called a system catalog, which contains additional system-generated metadata. A designer's data dictionary can be derived from the system catalog, and the terms "data dictionary" and "system catalog" are often used interchangeably.

← Older revision		Revision as of 15:56, October 24, 2007
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	A data dictionary is sometimes called a '''database designer's database''' because it defines choices made in light of [[database]] design of entities and their characteristics.		A data dictionary is sometimes called a '''database designer's database''' because it defines choices made in light of [[database]] design of entities and their characteristics.

−	[[category:Computer ~~Science~~]]	+	[[category:Computer science]]

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 == Description ==
-A '''data dictionary''' is a collection of [[database]] metadata, which is data about data. One kind of data dictionary is a human view of entities, attributes, and relationships, called a designer's data dictionary. There is usually a data dictionary that is internal to the [[DBMS]], called a system catalog, which contains additional system-generated metadata. A designer's data dictionary can be derived from the system catalog, and the terms "data dictionary" and "system catalog" are often used interchangeably. Some notable scientists used these, like Thomas Edison.
+A '''data dictionary''' is a collection of [[database]] metadata, which is data about data. One kind of data dictionary is a human view of entities, attributes, and relationships, called a designer's data dictionary. There is usually a data dictionary that is internal to the [[DBMS]], called a system catalog, which contains additional system-generated metadata. A designer's data dictionary can be derived from the system catalog, and the terms "data dictionary" and "system catalog" are often used interchangeably.
 == Purpose ==

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 == Description ==
-A '''data dictionary''' is a collection of [[database]] metadata, which is data about data. One kind of data dictionary is a human view of entities, attributes, and relationships, called a designer's data dictionary. There is usually a data dictionary that is internal to the [[DBMS]], called a system catalog, which contains additional system-generated metadata. A designer's data dictionary can be derived from the system catalog, and the terms "data dictionary" and "system catalog" are often used interchangeably.
+A '''data dictionary''' is a collection of [[database]] metadata, which is data about data. One kind of data dictionary is a human view of entities, attributes, and relationships, called a designer's data dictionary. There is usually a data dictionary that is internal to the [[DBMS]], called a system catalog, which contains additional system-generated metadata. A designer's data dictionary can be derived from the system catalog, and the terms "data dictionary" and "system catalog" are often used interchangeably. Some notable scientists used these, like Thomas Edison.
 == Purpose ==

← Older revision		Revision as of 23:20, September 16, 2007
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		+	== Description ==
		+
	A '''data dictionary''' is a collection of [[database]] metadata, which is data about data. One kind of data dictionary is a human view of entities, attributes, and relationships, called a designer's data dictionary. There is usually a data dictionary that is internal to the [[DBMS]], called a system catalog, which contains additional system-generated metadata. A designer's data dictionary can be derived from the system catalog, and the terms "data dictionary" and "system catalog" are often used interchangeably.		A '''data dictionary''' is a collection of [[database]] metadata, which is data about data. One kind of data dictionary is a human view of entities, attributes, and relationships, called a designer's data dictionary. There is usually a data dictionary that is internal to the [[DBMS]], called a system catalog, which contains additional system-generated metadata. A designer's data dictionary can be derived from the system catalog, and the terms "data dictionary" and "system catalog" are often used interchangeably.
		+
		+	== Purpose ==
		+
		+	The purpose of a data dictionary is to make sure that all of the people who design and implement the database are on the same page in light of the entities, attributes, and relationships.
		+
		+	== Database Designer's Database ==
		+
		+	A data dictionary is sometimes called a '''database designer's database''' because it defines choices made in light of [[database]] design of entities and their characteristics.

	[[category:Computer Science]]		[[category:Computer Science]]

← Older revision		Revision as of 16:35, September 15, 2007
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−	~~== Description ==~~	+	A '''data dictionary''' is a collection of [[database]] metadata, which is data about data. One kind of data dictionary is a human view of entities, attributes, and relationships, called a designer's data dictionary. There is usually a data dictionary that is internal to the [[DBMS]], called a system catalog, which contains additional system-generated metadata. A designer's data dictionary can be derived from the system catalog, and the terms "data dictionary" and "system catalog" are often used interchangeably.

−	A data dictionary is a collection of database metadata, which is data about data. One kind of data dictionary is a human view of entities, attributes, and relationships, called a designer's data dictionary. There is usually a data dictionary that is internal to the DBMS, called a system catalog, which contains additional system-generated metadata. A designer's data dictionary can be derived from the system catalog, and the terms "data dictionary" and "system catalog" are often used interchangeably.	+	[[category:Computer Science]]
−
−	~~== Purpose ==~~
−
−	~~== Database Designer's Database ==~~