Why is oracle database so popular?
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What are main difference between Stored Procedure and Functions.
What is a nested table?
Why do you use stored procedures and state some of its disadvantages?
what is the difference between no rows returned and null returned?
What is a schema in oracle?
What is the difference between count (*), count (expression), count (distinct expression)?
What should be the return type for a cursor variable.Can we use a scalar data type as return type?
Explain the difference between a procedure and a function? What do you understand by those terms?
How to list all indexes in your schema?
when i run my query on yesterday it is fast but today it is slow why?
How to export data to a csv file?
Explain how are indexes update?