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Complexity : A distributed DBMS that is available, reliable, and secure is inherently more difficult than a centralised DBMS. Though, adequate data replication is essential to have
What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
Conflicting Operations in Schedule: The three simple ways of interleaved instruction implement of transactions T1 and T2. Please note that in the following tables the first col
Define what Immediate database modification technique uses? Ans: Both undo and redo.
While using extract datasets it is required to have a special workarea for interface False. It is not required to have a special workarea for interface
what do you mean by primary key constraint?
Define identify relationship? Identifying relationship: An identifying relationship means in which the child table cannot be uniquely recognize without the parent. For exampl
i am not clear with the climetic condition of the north indian plain. can u plz explain it for me
There are three main sources of utilities and applications for a DBMS: a. Vendor applications and utilities are given for working with or maintaining the database, and generally
Rearrange the Execution Order for Efficiency Rearranging execution order for efficiency means executing such job that requires less execution time. By rearranging the object
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