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Hardware failure: Hardware failures are the failures when some disk or hardware chip fails. This may result in loss of data. One such trouble can be that a disk gets damaged and cannot be read any more. This may be because of many reasons. For instance, a voltage fluctuation in the power supply to the computer makes it go off or some bad sectors may arrive on disk or there is a disk crash.
In all these situations, the database gets into an inconsistent state.
Write a query that display ename annual salary and comm from emp table
complete assignment on the above title.
The functions of DBA ?
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
Why do you go for sorting your query results? SQL SELECT command to fetch data from MySQL table. Whenever you select rows, the MySQL server is free to return them in any order
Fifth Normal Form (5NF) These relations still have a difficulty. While defining the 4NF we mentioned that all the attributes depend upon each other. Whereas creating the two ta
How the time stamps are implemented Use the value of the system clock as the time stamp. That is a transaction's time stamp is equivalent to the value of the clock when the tra
What is a candidate key? Minimal super keys are known as candidate keys.
What type of view of total database content? Data base content Conceptual view of total database contain.
What are the requirements to ensure the objectives of file management principle is realized?
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