What is database collection?
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Explain phantom deadlock?
Differentiate between unique key and foreign key?
What are the types of indexes that are present inside a database?
What does currency type mean in database?
Write a query to retrieve for many to many relationships?
How many types of locks are present in a database?
give a simple example of physical and logical data independence
What does new grouping sets enables you to do?
CLI stands for?
Why merge statement is used inside the database?
What are the validations performed on the source data? If there are junk data available in the source data, how to eliminate it?
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Write a query to get maximum and second maximum in oracle?
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