What is dual table oracle?
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What is the relation of a user account and a schema in oracle?
What is the sql query to concatenate column values from multiple rows in oracle?
How to define a specific record type?
How to convert characters to numbers in oracle?
How to load a large xml file?
can you explain performance tunning in oracle(sql,PL/SQL)
Give the constructs of a package, function or a procedure.
How to create a temporary table in oracle?
What is a nvl function? How can it be used?
What is the Tune Query
what are different types of deletes?
how to get the second max val for every group in a table