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Define page.
The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
What is a dataset? A dataset is an in-memory database that is disconnected from any regular database, but has all the significant characteristics of a regular database. Dataset
Define rotational latency time. The time spent waiting for the sector to be accessed to appear under the head is known as the rotational latency time.
waht is a repeating group?
Ask q“A database will be made to store information about patients in a hospital. On arrival, each patient’s personal details (name, address, and telephone number) are recorded wher
explain normalisation
Describe logical data independence ? Logical Data Independence - It is the capacity to modify the conceptual schema without having to change external schemas or application p
What is a database graph? The partial ordering implies that the set D may now be viewed as a directed acyclic graph, known as a database graph.
What do you understand by RAID? Explain RAID Level 4 and Level5? RAID - It is stands for Redundant Array of Inexpensive Disks (as named by the inventor), or alternatively Re
what is RDBMS? how it works? good example.
Example: Consider the following relations: ROLLNO NAME ADDRESS COURSE_ID 100 Ka
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