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Which database level is closest to the users?
External database level is closest to the users.
find the name of supplier who supply some red part
Consider the subsequent relation Professor (Pfcode, dept, head, time) It is assumed that (i) A professor can work in much more than one
Architectural standard: Designation : Architect , Consultant Job Profile : As a part of Oracle Fusion Middleware at Satyam, I am involved with Presales, Delivery, A
Explain the main advantages of DBMS over File Oriented System ?
Q. Define a weak entity set and its identifying relationship. List the necessary conditions for a meaningful identifying relationship set of a weak entity set. Entity is a t
what is natural join?
external and internal mapping with examples
#question benefits and limitations of data models..
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
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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