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What is the way a particular application views the data from the database that the application uses?
Sub schema is the way a particular application views the data from the database that the application uses.
#what is cursor its uses ? Explain it
What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
When It is better to use files than a DBMS? It is better to use files than a DBMS when Multiple users wish to access the data.
tell me the functionality,advantages and disadvantages of student database
FitAll Ltd is a company that manufactures clothes. Its processes are manual and there are stand-alone Information Systems that aid to manage them. The Information Systems were purc
Using the concepts defined previous, we have identified that strong entities in COLLEGE database are FACULTY, STUDENT, COURSE and DEPARTMENT. This database also has one weak entity
Let us now make the E-R diagram for the student database as per the explanation given in the previous section. We can also states the overall logical structure of a database usi
Explain the utilities which help the DBA to manage the database? Every DBA uses database utilities to maintain and control their databases. But there is a lot of confusion wit
Differentiate between logical database design and physical database design. Show how this separation leads to data independence? Basis Logical Databas
Saving Derived Attributes to Avoid Re-computation As discussed, "redundancy means duplication of exact data". But, if multiple copies of same data are present in the system,
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