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State
The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its state from one to another.
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
What are the two types of errors? The two types of errors are: a) Logical error b) System error
management information system based on functional organisation
A B-tree of order how much children m has maximum ? m has maximum m mchildren in a B tree.
Decompose the table with the following description and functional dependencies into a set of equivalent tables normalized to 3NF or BCNF. This database stores records from a (ve
Describe the Composite Key Composite Key: Sometimes one key is not enough to uniquely recognize a row. E.g. in a single class Roll is enough to search a student, but in the w
Consider the following database containing five transactions. Let min_sup = 60%. Mine all frequent itemsets using Apriori and FP-growth algorithm. Compare the efficiency of the t
State the process of Rearranging Classes and Operations The various, yet similar operation of different classes can be slightly modified thus that they can be covered by a sin
What is difference between primary index and secondary index? Primary Index a) It is an ordered file whose records are of fixed length along with two fields. b) Only base
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