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(a) Differentiate between information and data .
(b) List and briefly explain five potential benefits of the database approach compared to conventional file systems.
(c) Differentiate between Database System and Database Management System Support your answer with an appropriate example of each.
(d) With the help of a diagram, explain the ANSI -SPARC Schema architecture. Why do we need mappings between Schema levels?
State about the Use Case Diagram A use case diagram represents a set of use cases, actors and their relationships. These diagrams shall be used to model context or requirement
What are the three types of data sources used with ODBC? An ODBC file data source is a file that can be shared between database users. An ODBC system data source is one that is
What is the difference among a database schema and a database state? The collection of information stored in database at particular moment in time is known as database state a
Submit the SQL Statements necessary to create your database according to the following guidelines: Your SQL statements should exactly mirror your ERD. All primary keys,
What are the properties of transaction? There are three properties of transactions :- A) Atomicity B) Consistency C) Isolation
File Organisation And Its Types Just as arrays, trees, lists and other data structures are used to execute data Organisation in main memory, a number of planning's are used to
Explain four causes for failures in data warehouse projects
Although how will the system recover The selection of REDO or UNDO for a transaction for the recovery is completed on the basis of the state of the transactions. This state is
A customer places orders for parts and belongs to a particular industry group. An individual order is taken by a particular sales representative on a specific date and the sales re
What is the difference between serial and sequential files? How searching is applied on both? Ans: A serial file is one where the records have been stored in the order where
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