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Describe file organisation?
A file is organized logically as a sequence of records. These records are mapped onto disk blocks.
A) Fixed-Length Records
Type deposit=record
Accountnumber:char(10);
branch name:char(22);
balance: real;
end
B) Variable length records
a) storage of multiple record types in a file
b) Record types that allow variable lengths for one or more fields
c) Record types that allow repeating fields
d) Byte string Representation
e) Fixed length representation
What is meant by mean time to failure? The mean time to failure is the amount of time that the system could run continuously without failure.
Events4Fun is an event management company in Europe with branches in South America as well. The company is well-known for its efficiency, good-quality services, and affordable char
Describe Embedded Query Language? Embedded Query Language - A query language (e.g., SQL) can be implemented in two ways. It can be used interactively or embedded within a host
what is union compatable?
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
DISADVANTAGES OF RDBMS
What is Cardinality Ratio? Cardinality Ratios - The cardinality ratios for relationship kinds specifies the maximum number of relationship instances in which an entity can pa
Explain the term - Handling Boundary Condition These are some circumstances that to be handled in any system initialization and termination. Describes how system is bro
what is lossless & dependency preserving decomposition ?
Describe Parameteric end users? Parametric end users might be given update access, but are commonly not permitted to change the structure of data.
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