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What is the error handling
Traditionally, bits have been sent over line lacking any error correcting scheme in physical layer. The presence of the CPU in each modem makes it possible to take in an error correcting code in layer 1 to greatly lessen the effective error rate which is seen by layer 2. The error handling by modems cans be done totally transparently to the layer 2. Many modems now have a built in error correction
What are the function of DBA?
how to prepare a data dictionary for online examination system for certified courses?
Foreign Keys and NULL Let us take the relation: DEPT DEPT ID DNAME BUDGET D1 M
What are called index-sequential files? The files that are ordered sequentially with a primary index on the search key are known as index-sequential files
i want to database for online assignment submission system
Explain Foreign Key? Foreign Key - Let there are two relations (tables) R and S. Any candidate key of the relation R that is referred within the relation S is known as the fo
Define a view and a trigger. Construct a view for the above relations that have the information about suppliers and the elements they supply. The view holds the S#, SNAME, P# , PNA
explain exhaustively the problems associated with ER diagrams. include illustrations in your answer
various techniques of hashing?
List the types of authorization. A) Read authorization B) Write authorization C) Update authorization D) Drop authorization
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