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Explain the function of Object model
Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object model information certainly exists in some form in design. For this, sometimes new redundant classes are added which increase effectiveness.
List and explain the memory constructs of the Oracle 12c databases?
Define Join and Outer Join and differentiate between them. Ans: Join - It generates all the combinations of tuples from two relations which satisfy a join condition. Oute
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
We will explain here an example database application having COLLEGE database and use it in showing several E-R modelling concepts. College database remains track of faculty, Stu
Write the syntax of creating an INDEX ? Syntax of Creating an Index: CREATE [BITMAP] [UNIQUE] INDEX ON ( [, ] . . .);
Explain what is Aggregation ? Aggregation: This is used whenever we intend to show a relationship between an entity and the relationship. There is no provision for this in th
Project Description: I want to build a card playing Website. The user should be able to 1. Login. 2. Have profile access. 3. Put money into the site. 4. Selects t
What are the function of DBA?
Define multivalued dependency. What do understand by trivial multivalued dependency? Ans: A multivalued dependency is a full constraint among two sets of attributes in a rela
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