What is the use of a view in sql?
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a. Can you delete data from a View. b. If Yes, can you delete it if there are multiple tables c. If No, can you delete if there is single source table which is joining.
Can there be more than one function with a similar name in a pl/sql block?
Which are the most commonly used sql joins?
How to add new employee details in an employee_details table with the following details
Enlist some predefined exceptions?
What are the two types of exceptions in pl/sql?
Explain the difference between drop and truncate commands in sql?
How do I find duplicates in the same column?
what is global variable in package
Explain the uses of a database trigger?
What is Referential Integrity?
What is a Mapplet?
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