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Question 1 Define OLTP? Explain the Differences between OLTP and Data Warehouse
Question 2 What is Architecture? Explain various components involved in it
Question 3 Explain the Basic tasks in data transformation
Question 4 What is Data mining?
Question 5 Explain the Data smoothing techniques
Question 6 What is Clustering? Explain in detail
What is an Operand? The data on which the operation is to be performed is known as an Operand
What is the use of rename operation? Rename operation is used to rename both relations and an attributes. It uses the as clause, taking the form: Old-name as new-name.
Which component is not included in database environment ? A users component is not included in database environment.
Describe the functions and features of foreign key? Foreign Key : The primary key of one file or table that is implanted in another file or table to implement the relationships
What is hashing file organization? In the hashing file organization, a hash function is computed on some attribute of every record. The result of the hash function specify in
Explain about primary key Primary Key: It is one of the candidate keys that are taken to be the recognizing key for the entire table. E.g. although there are two candidate ke
Drawbacks of Data Distribution: The primary drawbacks of distributed database systems are the added complexity needed to ensure proper coordination between the sites. This increas
Explain five duties of Database Administrator? 1. DBA administers the three stages of the database and, in consultation along with the whole user community, sets up an defin
What is Information System?
Hot Backup: Some sites cannot terminate the database while creating a backup copy of the files. The cold backup is not a reliable option. So different kinds of backing up database
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