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Three Level Architecture of DBMS or Logical DBMS Architecture The logical architecture defines how data in the database is perceived by users. It is not deals with how the da
An object-oriented design process 1. Define the context and modes 2. Designs the system architecture 3. Identifies the principal system objects 4. Identifies concurrency in
#queDefine a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pic
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
Why Like predicate used for? LIKE predicate: The LIKE predicate searches for strings in which have a certain pattern.
Timestamps For Read operations: If TS (T) If TS (T) >= W-timestamp (Q), then the transaction T is trying to read a value of data item Q which has been written and committed
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
Define a table in SQL known as Client that is used to store information about the clients. Define CLIENT_NO as the primary key whose first letter must begin with ‘C'. Also ensure t
what is bogus empowerment. And what is genuine empowerment
What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
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