What are the constraints on severity level in raiseerror?
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Explain about post-relational databases?
Explain about network model?
What is an application role and explain a scenario when you would use one?
Who are naive users?
how will I find the duplicate rows count from employees tablein oracle.
agregator gives one to many records or many to one record
Explain about the database management systems.
What is the difference between a primary index and a secondary index? What is a duplicate data entry in an index? Can a primary index contain duplicates?
How to replace not in with not exist?
Explain about the hierarchical model of the database?
How do you implement one-to-one, one-to-many and many-to- many relationships while designing tables?
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How can you fix a poorly performing query?
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