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Whst is logical schema ?
Logical schema is the entire database.
Explain Interfaces for parametric Users? Interfaces for Parametric Users - Parametric users, such as bank tellers, frequent have a little set of operations in which they must p
A student entity type has the following attributes,name..
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
What is System R? What are its two major subsystems? System R was intended and developed over a period of 1974-79 at IBM San Jose Research Center. It is a prototype and its pur
For this application, we will consider IBM DB2 catalog data (i.e., metadata) for IBM's enterprise-class servers running the z/OS (formerly OS/390 or MVS) operating system. One of
1) Define 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 pict
You are to write a property management database program that allows a real estate agent to view, add, search, and save property listings. The program is to do the following: 1.
why we fregment at all?
Consider the following relational schema: Doctor(DName,Reg_no) Patient(Pname, Disease) Assigned_To (Pname,Dname) Give expression in both Tuple calculus and Domain calculus for
what is the need of a log in dbms
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