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Replication: It is definite as a copy of a relation. Every replica is stored at a dissimilar site. The alternative to replication is to store only single copy of a relation which is not recommended in distributed databases.
Drawbacks of Database systems ?
What are the two types of errors? The two types of errors are: a) Logical error b) System error
What is the main advantage of the object model? What are its different components? The object model focuses on the logical data structures. Each object model comprises of many
(1) Insert into PERSON Violated constraint: - Key constraint Reason: - Primary key 1 already exists in PERSON. Dealing: - DBMS could ask the user to provide valid PER
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
I need solution of the question posted at http://www.expertsmind.com/questions/sql-query-for-testing-triggers-and-stored-procedures-30140149.aspx
Describe the shadow paging technique.
Views A view is like a window by which data from tables can be changed or viewed. The table on which a view is based is known as Base table. The view is stored as a SELECT stat
Lock Based Protocol A lock is nothing but a mechanism that tells the DBMS whether a particular data item is being used by any transaction for read/write purpose. As there are t
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