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Question 1:
Define the term business intelligence tools? Briefly explain how the data from one end gets transformed into information at the other end?
Question 2:
What do you understand by data ware house? What are the major concepts and terminology used in the study of data warehouse?
Question 3:
What are the data modelling techniques used in data warehousing environment?
What is Relational calculus? Relational calculus is a Non- Procedural language.
What does data dictionary is a special file contains ? The data dictionary is a special file contain The name of all fields in all files.The width of all fields in all files an
We face problem of stock Opening balance and closing balance in Minus
Which is the properties of entities? Attributes is the properties of entities.
What is ODBC ? ODBC - Open DataBase Connectivity which is also denoted by ODBC enable the integration of SQL along with a common-purpose programming language. ODBC expose data
Cyber Transit Ltd keeps up-to-date information on the processing and current position of each dispatched item. Dispatched items are the main concern of the Cyber Transit product tr
Describe the storage structure of indexed sequential files and their access method. Ans: Index offers a lookup capability to rapidly reach the vicinity of the desired record.
Differance between internal and external schema? Internal and external schema: Internal Schema • Describes the physical storage structure • Uses a physical data model External
The Conceptual Level or Global level The conceptual level presents a logical view of the complete database as a unified whole. It permits the user to bring all the data in th
Explain the concepts of relational data model? Relational Data Model - The relational model was first introduced through Prof. E.F. Codd of the IBM Research in the year 1970
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