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Define object-relational systems? Systems that give object-oriented extensions to relational systems are known as object-relational systems.
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Explain the ANSI SPARC architecture The three-schema architecture is as well known as ANSI SPARC architecture. The aim of the three-schema architecture is to separate the user
Dirty Reads: T10 reads a value which is updated by T9. This update has not been committed and T9 aborts. T9 T10 Value of x old value = 200
what is the relationship between receipt and owner entities in computer sales and service company
limitations and benefits in database tecknowlagy
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
discuss the array implementation of a stack.
Question 1 Explain the concept of Foreign Key. How a foreign key differs from a Primary Key? Can the Foreign Key accept nulls? Question 2 With a necessary example explain (i)
What is difference between TRUNCATE and DELETE? - Truncate can't be rolled back whereas Delete can be. - Truncate keeps the lock on table whereas Delete keeps the lock on ea
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