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3 assignments combined in 1
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
Question A What is operational intelligence? Question B What is Business Intelligence? Explain the components of BI architecture Question C Differentiate between databas
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Describe Physical Data independence ? Physical Data Independence - It is capacity to modify the internal schema without having to change conceptual schema. Therefore, the exter
State the Object Design for Processing The object design phase comes after analysis and system design phase. The object design phase includes implementation details like as i
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
Define the terms 1) physical schema 2) logical schema. Physical schema: The physical schema explains the database design at the physical level, which is the lowest lev
What is a virtual table that draws its data from the result of an SQL SELECT statement? View is a virtual table that draws its data from the result of an SQL SELECT statement.
Analyzing Association Traversal Till now, we have supposed that associations are bi-directional. But in the case of traversal, it is in only one direction in any application,
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