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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.
Can your organization scan large format documents? Yes, large format scanning used for such entities as city plans and blueprints is available. We selected scanners with the ab
Define NULL value NULL value NULL means something is unknown. It does NOT mean null (the digit 0). Null is as well employed as attribute value for a particular entity in which
what is primary key
In a relation, tuples are not inserted in any definite order. Ordering of tuples is not defined as a part of a relation definition. Though, records may be structured later accordin
Define physical image of a global relation at a site
Write a short note on QBE? Stands for "Query By Example." QBE is a feature involved along with various database applications which gives user-friendly techniques of running da
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
INSERT INTO command : Values can be inserted for all columns or for the selected columns Values can be given by sub query. In place of values parameter substitution
This assignment is worth 45% of your final grade for this module. Marks will be awarded as follows: Prototypes (wireframe and web based prototype) You are expected
how to make an e r diagram?
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