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Explain What is Relation? A database relation is a predefined row or column format for storing information in a relational database. Relations are equal to tables.
Define two-phase locking protocol. Ans: Two-phase locking is significance in the context of ensuring that schedules are serializable. The two-phase locking protocol defines a p
What are the various forms of data transparency? a) fragmentation transparency b) replication transparency c) location transparency
I need some help with my normalization database homework.
Explain differance between Primary and secondary storage ? Primary and secondary storage Computer storage is classified within primary(main) memory and secondary(per
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
What is use of generating such tables? How can you create temporary tables? When you require a table only for a short time after that you want it to disappear automatically you
Suppose an instruction takes 1 nanosecond to execute (on average), a page fault takes 20 microseconds of processor time, and it takes 300 microseconds of disk time to read or write
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
I have been given 8 differebt data warehouseing failure case studies. I need to question 4 questions for each
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