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write on the various type of relationalkey
Write a Query that uses the UNION Operator 1. Use the Software Experts database to: a. Display the first and the last name of all consultants who worked on any projects f
Define NULL value NULL value NULL means something is unknown. It does NOT mean null (the digit 0). Null is as well employed as attribute value for a particular entity in which
Which is another name for weak entity? Child is another name of weak entity.
Availability: A site having the copy of a replicated relation fails, even then the relation may be found in another site. Therefore, the system may carry on to process at least th
Hi is anyone well versed in accounting information systems available now to help me work through an important assignment due tomorrow at noon?
Normal 0 false false false EN-IN X-NONE X-NONE
what is er digram given that example of hospital,bank and library er digram.
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
Chapter 10a review questions
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