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What is object identity?
An object retains its identity even if some or all the values of variables or explanations of methods change overtime.
intent locking
What is completeness constraint on generalization? Define the variation between total and partial design constraint. Give an example each. Ans: Completeness Constraints
Problem 1. Describe the following a) Advantages of Database Systems b) Functions of a DBMS Explanation of part (a) and (b) 2. Explain the following concepts w
List two restrictions that are applied on the modification (updation, insertion or deletion) of base tables through view. Ans: The two restrictions are: 1. If a view
Discuss how the one-to-one associations have to be implemented. Some of properties of associations can be implemented directly by providing suitable declarations of the data me
#queDefine a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pic
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
What does authentication refer? Authentication refers to the task of verifying the uniqueness of a person.
A student entity type has the following attributes,name..
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
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