Differentiate between nested loop, hash loop and merge join.
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Name two utilities that oracle provides, which are use for backup and recovery.
What is data independence and also explain its types?
What is Mirrored on-line Redo Log ?
Explain the advantages and disadvantages of a hierarchical database?
Define normalization.
What do you mean by aggregate and scalar functions in dbms?
Where is database used?
What are the three main types of models?
What is the difference between internal and external schema?
Explain the difference between two and three-tier architectures.
WHAT IS INDEXING?
What is the instance of a relation?