Describe concurrency control.
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Suppose database is running slow, what will you do?
What are the characteristics of dbms?
State at least four kinds of indexing?
what is the difference between filters and conditions?
Define weak entity set.
What is a Relational Database and How does it Differ from a NoSQL Database?
When do you get a .PLL extension ?
What are the disadvantages of a query?
What is cold backup ? What are the elements of it ?
Define database lock?
What are the different kind of export backups ?
You loss one datafile and DB is running in ARCHIVELOG mode. You have full database backup of 1 week old and partial backup of this datafile which is just 1 day old. From which backup should you restore this file?
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