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Physical Database Design Issues
The database design includes the process of logical design with the use of E-R diagram, normalisation, etc., followed by the physical design.
The Key issues in the Physical Database Design are:
Some of the basic inputs needed for Physical Database Design are:
Though, for this type of data some of the Physical Database Design Decisions that are to be taken are:
What are the advantages of having an index structure? Ans: The index structures commonly provide secondary access paths, which offer alternative ways of accessing the reco
Consider the following relations: BRANCH( bno, street, area, city, pcode, Tel_no, Fax_no) STAFF( Sno, Fname, Lname, address, position , salary, bno) Express the subsequent qu
Adding Redundant Associations for Efficient Access The expression redundant association means using "duplicate association for proficient access". While analysis, it is not a
Explain Two phase locking protocol A transaction is consider as to follow the two-phase locking protocol if all locking operations precede the first unlock operation in the tra
Need a sample of a clinic database relationships
Define union compatibility? Explain why INTERSECTION of two relations cannot be performed if they are not union compatible? Two relations R(A1, A2,-------, An) and S(B1, B2,--
Difference between Operating System and Database Security Security within the operating system can be executed at various levels ranging from passwords for access to system, t
Control Files : The redo and control files logs support the rest of the architecture. Every database must have at least one control file, although you have more than one to guard
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.
Consider the relations described below: PHYSICIAN (regno, name, telno, city) PATIENT (pname, street, city) VISIT (pname, regno, date_of_visit, fee) Where the regno and pname ide
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