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Increased parallelism: Since the replicated date has several copies a query can be distributed or can be answered from the smallest loaded site. Also, with more replicas you have greater chances that the required data is found on the site where the transaction is implementing. Hence, data replication can minimise movement of data among sites.
what is file organization? what are file organization techniques.explain in detail? explain random file organization technique, multikey file organization technique?what is indexin
Advantages of Database management system Let us summarize the advantages. Reduction of Redundancy: This is perhaps the most important advantage of using DBMS. Redundancy i
what is Lossless-join decomposition
What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
define lock conversion
Submit the SQL Statements necessary to create your database according to the following guidelines: Your SQL statements should exactly mirror your ERD. All primary keys,
Illustrate how you can use QBE to perform logical AND and OR operation
The advantages of a database management system (DBMS) include :- Data integrity and elimination of duplication.
Question : (a) Differentiate between database integrity and database security (b) Database security involves measures to avoid loss of privacy and loss of confidentiality. D
What is recovery management component? Ensuring durability is the responsibility of a software component of the base system known as the recovery management component.
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