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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.
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Skills required are Database Administration, Software Architecture, Web Security
Define an operator that a Relational Algebra does not have Ans: Relational Algebra does not have Aggregation operators.
Difference between LEFT OUTER JOIN and RIGHT OUTER JOIN In left outer join tuples from the left-hand-side relation which do not match any tuple in the right-hand-side relation
give me a diagram about physical or internal level
Properties of a Transaction A transaction has four main properties. These are: Atomicity Consistency Isolation or Independence Durability or Permanen
State your technical objectives for mining the data. Data Understanding. Describe the data For each attribute, give its description and data type. For numeric attributes
it can be possible to create any table without primary key
does tables are called relations
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
Which operation is used if we are interested in only certain columns of a table? PROJECTION operation is used if we are interested in only certain columns of a table.
Why is need for the multiple access paths?
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