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What are the costs to be considered when a transaction has to be rolled back when recovering from deadlock? Ans: A few transaction will must rolled back (made a victim)
File Organisation And Its Types Just as arrays, trees, lists and other data structures are used to execute data Organisation in main memory, a number of planning's are used to
Our company hires independent contractors to install equipment at precise locations across North America. We want to track the installation data and generate reports. The compan
What do you understand by a view? What does WITH CHECK OPTION clause for a view do? - A view is a virtual table which comprises fields from one or more real tables. - It is
Write a query that display ename annual salary and comm from emp table
What is Index? An index is a physical structure having pointers to the data. Indices are created in an existing table to locate rows more quickly and efficiently. It is possibl
What is Relational calculus? Relational calculus is a Non- Procedural language.
What is the way a particular application views the data from the database that the application uses? Sub schema is the way a particular application views the data from the data
what do you mean by consistency in rdbms?
In this practical assignment, we will run through a complete database application development cycle, starting with the schema design, from an initial data import to database applic
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