What is an optimization and performance tuning and how does it really work in practical projects?
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What is a checkpoint and When does it occur in database?
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What are the disadvantages of file processing systems?
What is foreign key in dbms?
Explain the Surrogate Key in DBMS.
What is data modelling techniques?
What is sql in dbms?
Define checkpoint.
What are stored-procedures? And what are the advantages of using them.
What is cardinality in db?
What are cursors and what are the situations you will use them?
What is acid property in dbms?
when we login sql editor using username and password then it says this error "could not resolve service name" then what can we do at client side.( here thing is tnsnames.ora file is ok till yesterday and worked well, but now it giving error.)
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