Term
A characteristic or property of an entity; also called a field or column.
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A characteristic or property of an entity; also called an attribute or a field.
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A file used to store data about a single entity. It’s the computer counterpart to an ordinary paper file you might keep in a file cabinet, an accounting ledger, and so on. Such a file can be thought of as a table.
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The property that lets you change the structure of a database without requiring you to change the programs that access the database; examples of these programs are the forms you use to interact with the database and the reports that provide information from the database.
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A structure that can store information about multiple types of entities, the attributes of these entities, and the relationships among the entities.
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The individual or group that is responsible for a database.
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6) database administration (DBA) – |
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Database administrator (DBA) The individual who is responsible for a database, or the head of database administration.
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7) database administrator – |
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The process of determining the content and structure of data in a database in order to support some activity on behalf of a user or group of users.
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A program, or a collection of programs, through which users interact with a database. DBMSs let you create forms and reports quickly and easily, as well as obtain answers to questions about the data stored in a database.
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9) database management system (DBMS) – |
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A person, place, object, event, or idea for which you want to store and process data.
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A graphic model for database design in which entities are represented as rectangles and relationships are represented as either arrows or diamonds connected to the entities they relate.
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Definition
11) entity-relationship (E-R) diagram – |
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Term
A characteristic or property of an entity; also called an attribute or a column.
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Definition
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A screen object you use to maintain, view, and print data from a database.
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A database has integrity if the data in it satisfies all established integrity constraints.
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A rule that must be followed by data in a database.
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Definition
15) integrity constraint – |
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A relationship between two entities in which each occurrence of the first entity is related to many occurrences of the second entity, and each occurrence of the second entity is related to at most one occurrence of the first entity.
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Definition
16) one-to-many relationship – |
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Duplication of data, or the storing of the same data in more than one place.
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An association between entities.
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The prevention of unauthorized access to a database.
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For more study material on this topic
click here and go to
my Database Study Help page
http://www.share-connect.com
Thanks, mikeypzy |
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Definition
For more study material on this topic
click here and go to
my Database Study Help page
http://www.share-connect.com
Thanks, mikeypzy |
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