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Problem
1. Describe the following
a) Advantages of Database Systems
b) Functions of a DBMS
2. Explain the following concepts with respect to storage structures in databases
a) Clustering
b) Indexing
3. Explain the first 3 Normal Forms taking the help of an un-normalized relation and reducing it to 3 NF
What are the reasons for having variable length records? What are the various ways to store variable length records? Variable-length records arise in a database in various wa
Aggregate functions Some of these functions are min, count, max, and avg. These functions help in getting consolidated information from a set of tuples. Example:
The users who use easy-to-use menu are called ? The users who use easy to use menu are called as Naïve users.
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Explain four causes for failures in data warehouse projects
Give the forms of triggers? The triggering event can be insert or delete. For updated the trigger can state columns. The referencing old row as clause The referencing
Explain the Log Based Recovery Method? The system log that is generally written on stable storage consists of the redundant data required to recover from volatile storage failu
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
Project Description: I would like to get a database of a website which has clients email name and phone number. If you are able to get information from a website, by entering
Write an sql statement to find what is the percentage of home policies which are from the state of Arizona out of all Home policies by Policy Value.
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