What is denormalization
What do you understand by the term denormalization and why would someone consider doing so?
Expert
Denormalization is the procedure of taking normalized relations and changing them so that they are not longer normalized. This procedure might lead to anomalies and create or make data redundancy as negative consequences. But, the revised relations must improve database performance.
Briefly describe the term a Cube and Linked Cube with reference to data warehouse?
Briefly describe the differentiation between star and snowflake schemas?
What do you understand by the term deadlock in DBMS? How can it be avoided? How can it be solved once it happens?
Illustrates the term data structure?
Briefly describe the differentiation between data warehouse and OLAP?
Explain the term lattice of cuboids in brief.
Can we stop and start one session in the concurrent batch?
Which of the following method does not support sorting (Exchange, Selection, Insertion, Deletion)?
You have been given a setup of tables with data and inquired to make a new database to store them. What are you looking for, when you observe the data values in the tables?
Describe the various categories of the range of database application?
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