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There are many simple and complex approaches to implement. These reports are based on some views or certain query.
The following number of reports can be built.
1. The average of the customers reported.
2. The average of materials.
3. The employee average in all materials utilized.
4. The percentage of materials ordered according to services rendered.
5. The number of operators on duty in a year's time.
What are the factors to be taken into account when choosing a RAID level? A) Monetary cost of extra disk storage requirements. B) Performance requirements in terms of number
Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
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
Creating views with check option : This option limits those updates of data values that cause records to go off the view. The following instance tells this in more detail: Examp
WOUND-WAIT
What is the main difference between read-only and update methods? A read-only method does not affect the values of a variable in an object, whereas an update method may alter t
Explain pipelining. Ans: In order to describe pipelining in simple terms, think of it as breaking down processor functions into smaller and smaller parts. For instance,
what problems are raised by the database? why is it so controversial? why is data quality an issue?
Let us now make the E-R diagram for the student database as per the explanation given in the previous section. We can also states the overall logical structure of a database usi
Ways for Selecting Data Structure Algorithms operate on data structure. Therefore, selection of the best algorithm means selecting the best data structure from whole bunch. Th
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