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read-set(T) : Each data items that are read by a transaction T Timestamps : for all transaction T, the start-time and the end time are reserved for all the three phases.
Write a query to define tables students and teachers as sub tables of people? Create table students of student under people Create table teachers of teacher under people
what is cascading? what is rollback cascading? please explain in detail
Define Serializable schedule Serializable schedule: An interleaved schedule of much more than one transaction is known as a serializable schedule, if it is equal to some serial
I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one
How is concurrency identified? Concurrency in objects can be identified by the way they alter their state. Current objects can change their state independently. Aggregation imp
3 assignments combined in 1
Describe the Association: Design Before we describe association design let us define association "Association is set of links between two objects in the object model". It is
Attributes and its types explain?
Question 1: (a) Explain the legal meaning of :- (i) Computer Service Person (ii) Data holding (b) Explain how the law ensures Data protection and Security. Qu
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