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explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
Why did SAP introduce the extended star schema? Explain why it is reported to be better than the traditional schema model?
A super key is an attribute or set of attributes used to recognize the records uniquely in a relation. For instance, in the Relation PERSON defines earlier PERSON_ID is a super
#question.ERD of any car
Need a sample of a clinic database relationships
Funky Festivals Specification Funky Festivals organise music festivals which take place at various venues throughout the UK. A venue needs to be booked before a Festival can t
Which two files are used during operation of the DBMS? Data dictionary and transaction log are two files used during operation of the DBMS.
The Update Operations : Update operations are used for altering database values. The constraint violations faced by this operation are logically the similar as the problem faced
Define Hash files organization a. Hashing includes computing the address of a data item by calculating a function on the search key value. b. A hash function h is a functi
10A.53 Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department. 10A.54 Code an Oracle Database trigger to allow the
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