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I want a professional with strong IT background who provide me timely assignments
Project Description:
I want a professional who can do my assignments for my major i.e. Information Systems in that information assurance.
For first two months the subjects are database management, industrial control system security.
The information should not be pasted from the web.
Skills required are Database Administration, Software Architecture, Web Security
State about the Activity Diagram Activity diagrams show flow from one activity to other. It is an ongoing non atomic execution within a state machine. Activity finally results
Describe logical data independence ? Logical Data Independence - It is the capacity to modify the conceptual schema without having to change external schemas or application p
What is the use of Union and intersection operation? Union: The result of this operation contains all tuples that are either in r1 or in r2 or in both r1 and r2.Duplicate tuple
How does a query tree represent a relational algebra expression? Ans: This includes transforming an initial expression (tree) into an equivalent expression (tree) that is
To do the division operation R1 ÷ R2, R2 should be a correct subset of R1. In the following example R1 have attributes A and B and R2 have only attribute B so R2 is a correct subse
what do you mean by consistency in rdbms?
Consider a database schema consisting of four relations, whose schemas are: Product (maker, model, type) PC (model, speed, ram, hd, price) Laptop (model, speed, ram, hd, s
Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
write an SQL statement to create the database in MYSQL server
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