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What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
wh
Explain about primary key Primary Key: It is one of the candidate keys that are taken to be the recognizing key for the entire table. E.g. although there are two candidate ke
What are the types of storage devices? Primary storage Secondary storage Tertiary storage Volatile storage Nonvolatile storage
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
Lack of Redundancy We have talked about the problems of repetition of information in a database. Such repetition should be stay away as much as possible. Let us state once again t
Define average latency time. The average latency time of the disk is one-half the time for a full rotation of the disk.
In E-R diagram how generalization is represented? in E-R diagram generalization is represented by Triangle shape.
explain participation constraints with examples
#questiRegional Gardens has many nurseries, including Wagga Wagga, Bathurst, Albury, Orange, and Dubbo. Each nursery is known by its campus code, eg WW, B, A, O and D respectively.
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