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What is Object Oriented model?
This model is based on collection of objects. An object has values stored in instance variables with in the object. An object also having bodies of code that operates on the object. These bodies of code are known methods. Objects that contain same types of values and the similar methods are grouped together into classes.
Define the Division Operation of Relational Algebra Let R be a relation comprising attributes (A1,...Ap,Ap+1,...An) and S comprising attributes (Ap+1,...An) DEF: Division
external view of DBMS in healthcare department?
I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one
What do you mean by persistence? How you will make your data persistent? Persistent data is the data, which has a longer lifetime than program which has created it. Enabling th
Using the questions found at the end of Chapter 9 in your textbook, complete this homework activity. Students will submit a Word document answering questions 2, 3, and 4.
What is object containment? References among objects can be used to model dissimilar real-world concepts.
explaination
Describe briefly models which define the operations on classes. The three models which are used to define operations on classes are as: Object Model = data dictionary + Obje
what benefit can a company gain by managing its own infrasture and services
Special comparison operator used in where Clause a. between. ...and...It gives range among two values (inclusive) Example: SELECT ENAME, SAL FROM EMP WHERE SAL BETWE
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