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Security: In a centralised system, access to the data can be simply controlled. Though, in a distributed DBMS not only does access to replicated data have to be controlled in many locations, but also the network required to be secured. Networks over a period have become more secure, still there is a long way to go.
What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
Benefits of using heuristics
Explain TPS concurreny executions stating their advantages in online business advancement
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
Run the following queries. For each query show 1) What you expect the output to be based upon the data 2) the SQL code and 3) the output running the query in Oracle. 1. Show all c
Suppose that in an organisation, an employee may do different roles in dissimilar projects. Say, RAM is doing coding in one project and doing designing in another. Suppose that the
Problem : AirwaysCentre, an international airline booking company currently uses a relational database system for their operations, which includes the following relations: P
Consider the following relational database: STUDENT (name, student#, class, major) COURSE (course name, course#, credit hours, department) SECTION (section identifier, course#, sem
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
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