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What is candidate key?
Candidate Key - A candidate key of an entity set is a minimal superkey, which uniquely identifies each row in the relation.
what is query processing?
can you resolve this for me please? Database Management Systems Homework 1 The following relations are given (primary keys are underlined): PLAY-ACTOR(AId, Name, Nationality, Birt
Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
What are the disadvantages of relational data ? Disadvantages • Performance - If the number of tables among that relationships to be established are large and the tables t
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
Project Description: I am having a random problem with my Wordpress site. If I click on "Publish" and "Add new", it takes me to a 404 page not found of /wp-admin/post.php (th
average response time?
Design a gennalization and specialization hierarchy for an automobile sales company
Hi is anyone well versed in accounting information systems available now to help me work through an important assignment due tomorrow at noon?
What are the advantages of Logical Databases? It offers a simple-to-use selection screens. You can change the pre-generated selection screen to your needs. It offers check f
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