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Which database object does not physically exist?
A view database object does not physically exist.
Creating views with Read only option : In the view definition this option is used to make sure that no DML operations can be done on the view.
In a job interview with a branch manager of a bank that operates in multiple Canadian provinces and the Yukon, you learn that all of the information is captured in real time in a s
List and explain the memory constructs of the Oracle 12c databases?
What is the purpose of storage manager? The storage manager is responsible for the following a) Interaction with the file manager b) Translation of DML commands in to low
Explain the concept of QBE? Query-by-example represents a visual/graphical approach for accessing information in a database by the use of query templates called as skeleton tab
multiplicity constarin
Distributed Database Management System
What does the cardinality ratio specify? Mapping cardinalities or cardinality ratios state the number of entities to which another entity can be associated. Mapping cardinaliti
Describe sequential file organization. Explain the rules for (i) Inserting a new record. (ii) Deleting an existing record. Ans:A sequential f
Which method is used to key transformation ? A hash method is used to key transformation.
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