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What is equi join?
Equi Join - It generates all the combinations of tuples from two relations which satisfy a join condition along with only equality comparison (=).
what is correlation in nested query
Let us first look into some of the important features of ER model. Entity relationship model is a high-level conceptual data model. It permits us to define the data invo
Meaningful use refers to the use of certified EHR technology to "enhance quality, efficiency, and reduce health disparities
File Organisation In Dbms Introduction Databases are used to store information. Usually, the principal operations we have to perform on database are those relating to:
Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
What is disadvantage of multiple inheritances? There is potential ambiguity if the similar variable or method can be inherited from more than one superclass.eg: student class m
what is difference between circular inked lust and grunded linked list
write a database program for concurrency transaction in a bank
complete assignment on the above title.
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
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