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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 sector, it can logically map the sector to a dissimilar physical location.
Describe the term- State Diagram State Diagram: An object could receive a sequence of the input instructions. The state of the object can differ depending upon sequence of in
Define seek time. The time for repositioning the arm is known as the seek time and it enhances with the distance that the arm is known as the seek time.
The Second Normal Form (2NF) Definition: A relation is in 2NF if it is in 1NF and each non-key attribute is fully dependent on each candidate key of the relation. Some of th
Dependency Preservation It is obvious that the decomposition must be lossless so that we do not lose any information from the relation that is decomposed. Dependency preservati
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
When are they useful? Justify with an example. The temporary tables are commonly used to support specialized rollups or exact application processing needs. Unlike a permanent t
What are the advantages and disadvantages of merging an association into a class? Advantages: i) Less number of tables ii) Faster performance due to the fewer tables
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.
Funky Festivals Specification Funky Festivals organise music festivals which take place at various venues throughout the UK. A venue needs to be booked before a Festival can t
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
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