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Question 1: What is the role of a DBMS, and what are it advantages?
Question 2: What are its disadvantages?
Need a three-level schema architecture for the Company that provide better security also design a data abstraction
Assume that the value of attribute Z of the last record in the relation is changed from z3 to z2. Now list all the functional dependenciesthat this relation instance satis?es.
Suppose that we replace the wait and signal operations of monitors with a single construct await(B), where B is a general Boolean expression. Write a monitor using this scheme to implement the readers--writers problem.
part-1therearefourtraininginputtargetpairsforatwo-classproblema two-input perceptron with hard limit activation
Draw the ER diagram for the database described above and create a relational database schema for this model assuming
What are the functional dependencies among the data represented in this first normal form relation?
Identify a relational algebra tree (or a relational algebra expression if you prefer) that reflects the order of operations a decent query optimizer would choose.
knowledge and data warehousing adventure works cycles the fictitious company on which the adventureworks sample
What is the business implications that can be drawn from the process of building and comparing these models, and has this practice helped resolve the business issue? Why or why not?
There is a growing requirement to meet or exceed expectations of end users and applications communicating over a packet-switched network. In order to fulfil this requirement, different techniques are used to improve the QoS.
part a - use cases perform a requirements analysis for the case study. express the results using the following
Create a function that returns the day of the week for a specified date. Create a trigger that displays the message "Emp table updated" when an update to the employee table increases the employee's basic salary.
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