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Define physical image of a global relation at a site
What is the meaning of Recovery? In deferred update methods, if a transaction fails before arriving its commit point, it will not have altered the database in any way, so UNDO
create an er diagram for production management in film industry
Relationship between Security and Integrity: Database security usually refers to access, while database integrity refers to avoidance of accidental loss of consistency. But usually
What are the factors to be taken into account when choosing a RAID level? A) Monetary cost of extra disk storage requirements. B) Performance requirements in terms of number
What is storage manager? A storage manager is a program module that gives the interface among the low level data keeps in a database and the application programs and queries su
write-set(T): Each data items that are written by a transaction T
File Organisation In Dbms Introduction Databases are used to store information. Usually, the principal operations we have to perform on database are those relating to:
define anomalies and different types of anomalies with example
What are the function of DBA?
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