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What are the drawbacks of shadow-paging technique?
The drawbacks of shadow paging is:-
a) Commit Overhead
b) Data fragmentation
c) Garbage collection
What is called remapping of bad sectors? If the controller detects that a sector is injured when the disk is initially formatted, or when an attempt is made to write the secto
Explain ER Relationship model? An entity-relationship model (ERM): An entity-relationship model (ERM) is an abstract theoretical illustration of structured data. Entity-relatio
Define Timestamp ordering Ans In timestamp-based method, a serial order is made among the concurrent transaction by assigning to every transaction a unique nondecreasing number
Which is an advantage of view? The Advantages of view is Data security, Derived columns and Hiding of complex queries
Company Database: a-)Here is the ER Model b-)Here is the Relational Model: IMPORTANT NOTICE FOR SOLUTION TYPE: ***THIS ASSIGNMENT WILL BE SOLVED BY THE
By using the delete operation some consisting records can be deleted from a relation. To delete some definite records from the database a condition is also specified based on which
domain
under what condition log based recovery is feasible?
#questiontypes of keys examples..
E-R Model This data model is based on real world that consists of basic objects named entities and of relationship among these objects. Entities are illustrated in a database
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