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I need web security expert , website management
Project Description:
i want professional for the below .
website management
server management
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Skills required are Database Administration, Website Management, Web Security
Which is the properties of entities? Attributes is the properties of entities.
Explanation on Data Sharing?
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
In the ER diagram, one example of subclassing is depicted following the Services entity. The subclasses Item Based and Time Based are created. The entity Services gains the attribu
Q. What is relational algebra and calculus? Explain the relational algebra operators :- Selection and predicate, set operation, joins and division. Sol. Relational Algebra
What is schema
Determine the language that needs a user to specify the data to be retrieved with no specifying exactly how to get it is Ans: Non-Procedural DML
With the linear commit protocol, sites are connected in a chain, and the subtransaction at the left-hand end of the chain initiates the protocol. Propose a crash recovery protocol
Why is database redesign necessary? Database redesign is essential for two reasons. First, redesign is essential both to fix mistakes made during the initial database design. S
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