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What is called query processing?
Query processing refers to the range of activities included in extracting data from a database.
A B-tree of order how much children m has maximum ? m has maximum m mchildren in a B tree.
what is primary key
#question benefits and limitations of data models..
The PROJECT operation The project operation is used to choose the records with specified attributes as discarding the others based on some related criteria. This is denotes as ∏
For problems 1-4, give all candidate keys for the tables with FDs specified. Composite candidate keys must be put in parentheses, and candidate keys must be separated with commas
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
Boyce-Codd Normal Form (BCNF) The relation NEWSTUDENT (Enrolmentno, Sno, Sname, Cname, Cno,) has every attributes participating in candidate keys as all the attributes are assu
job scheduling for different cubes
Write a short note on built in function in QBE? Built in function in QBE: QBE involves various built in functions like AVG, MAX,MIN,SUM and CNT. We must prefix these operator
i would like to ask if you will do assignment of database number of words 1500 and how much
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