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Determine the Derived attribute to avoid re-computation
Each class box consists of an ordered list of attributes and operations, each represented as a next string. We can find location of any attribute by adding the size of all elements in front of it, to the location of the class box itself. If a new attribute string is added to a list, then locations of one's after it in the list are simply offset by size of the new element. If an element is deleted or moved, the elements under it must be redrawn.
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
Give two profit of Reuse of Code. Reusing the implementation . Place existing class directly inside a new class. The new class can be made up of any number and type of the oth
The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
Submit SQL SELECT Statements to demonstrate several reports off your database, according to the following guidelines: You must submit at least 5 SELECT Statements. Each
Creating views with Replace option : This option is used to alter the definition of the view without recreating and dropping it or regranting object privileges previously granted o
Rearrange the Execution Order for Efficiency Rearranging execution order for efficiency means executing such job that requires less execution time. By rearranging the object
In a relational model how relations are termed? In a relational model, relations are termed as tables. (The term ‘relation’ is the technical name of the ‘table’ in RDBMS)
Question 1 What is data mining? Write Data Mining applications Question 2 What is OLAP? Write the benefits of OLAP Question 3 What is Business Intelligence? Explai
Depending upon the rules we have found, we can classify the locks into two types. Shared Lock: A transaction might be acquiring shared lock on a data item in order to read it
Question 1 Create a table student with attributes student name, roll number, total marks and percentage. Do the following operations Insert details in to the table Update
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