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Should I select imaging software that allows changes?
An imaging system should not give features to edit or alter images. Images generally are formed as safe and secure records of existing paper documents. Allowing changes to be made would adversely impact the integrity of the records.
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
Soccer player ER Diagram to Relational database schema
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 delet
Explain mechanism of nested queries? SQL gives a mechanism for nesting subqueries. A subquery is a select from where expression that is nested within one more query. A common u
How Relational Calculus is different from Relational Algebra? What do understand by TRC queries and DRC queries? Ans: Relational calculus contain two calculi, the tuple relati
Consider the 1ollowin8 relation: CAR SALE (Car_id, Option_type, Option_listprice, Sale_date, Option_discountedprice) This relation refers to options installed in cars (e.g., crui
explain at least five widly used case tools
explain three types of internet risks to the consummers whent he business system is data dependent. how can we minimise these risks
Explain the Cartesian product: The Cartesian product operation does not need relations to union-compatible. The meaning of this is that the involved relations may have dissim
Define deadlock prevention. Deadlock prevention is a set of methods for ensuring that at least one of the four essential conditions like mutual exclusion, hold and wait, no pre
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