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Whst is logical schema ?
Logical schema is the entire database.
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
projects?
Determine the Objectives of object oriented design provide an overview of object oriented design; partitioning system to subsystems; describe how a software desig
Describe the objective of Structural Diagrams The main objective of structural diagram is to visualize, construct, specify and document static aspects of a system. Their eleme
Describe logical data independence ? Logical Data Independence - It is the capacity to modify the conceptual schema without having to change external schemas or application p
Explain Candidate Key and Super Key A super key is a set of one or more than attributes that, taken collectively, permits us to identify uniquely a tuple in the relation. Wher
explain five responsibilities of DBA?
(a) Why did SAP introduce the extended star schema?
What is meant by mean time to failure? The mean time to failure is the amount of time that the system could run continuously without failure.
How can we Classify the operations on classes This step fundamentally means all three models functional, object and dynamic (studied in last section) must be combined so that
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