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How does Oracle guarantee data integrity of data changes?
Define oracle database
Explain an exception and its types?
What are the uses of linked server and explain it in detail?
What are the parameters that we can pass through a stored procedure?
what is reindexing?
Difference between varchar and varchar2 data types?
What is meant by joins?
How to load data through external tables?
How to use "in" parameter properly?
If a parameter is used in a query without being previously defined, what diff. exist betw. report 2.0 and 2.5 when the query is applied ?
Difference between oracle's plus (+) notation and ansi join notation?
How to invoke the data pump import utility?
How to delete a column in an existing table in oracle?
what is the difference between substr and instr function in oracle?
