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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
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State the Component Diagram A component diagram represents a set of component and relationships among them. In a dynamic model, component diagram is used to model physical com
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
List any eight applications of DBMS. a) Universities b) Airlines c) Banking d) Credit card transactions e) Tele communication f) Sales g)Finance h) Manufac
Differentiate between the object oriented decomposition and the structured decomposition? Process-oriented (structural) decomposition divides a complex process, function or tas
Explain concurrency control? Concurrency control Oracles multiversion concurrency control varies from the concurrency mechanism used by some other data base vendors. Read
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
The Transactions- A transaction is definite as the unit of work in a database system. Database systems that deal with a huge number of transactions are also termed as transaction p
Define Thomas write rule Thomas' write rule: The Thomas' write rule is a modification of timestamp-ordering protocol for concurrency control. Assume that transaction T i issue
What is B-Tree? A B-tree eliminates the redundant storage of search-key values .It permits search key values to appear only once.
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