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What is Message switching
Message switching transmits data units which can be arbitrarily long. Packet switching has a utmost packet size, if any message longer than that, it split up into multiple packets.Mbps is 40 msec. At 56 kbps it is around 714 msec.
What is the role of ORDER By Clause? ORDER BY clause: The ORDER BY clause permits you to sort the records in your result set. The ORDER BY clause can just be used in select s
In the architecture of a database system which external level used? In the architecture of a database system view external level used.
Write an sql statement to find what is the percentage of home policies which are from the state of Arizona out of all Home policies by Policy Value.
Ask questioYou are the database administrator in a university. You have been tasked to come up with a new database for the University. Using the stages in Database Life Cycle come
Although, the essential features of E-R diagrams are enough to design many database situations. Though, with more difficult relations and advanced database applications, it is need
Explain Superkey Ans: A superkey is described in the relational model of database organization like a set of attributes of a relation variable for which it holds that in all re
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What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
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
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