What is the use of aggregate functions in oracle?
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what is cartesian product?
What are the types of trigger in oracle?
i can create a view with two columns from emp table,, later i need to add one more emp column to existing view.. what is query similarly add one more column to existing primary key constraint.. please give me the solutions
can anyody please send me the dump for Oracle 10g certifications for DBA path?
What is Normalization ?
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What is the string concatenation operator in oracle?
What is the maximum number of CHECK constraints that can be defined on a column ?
How to drop an index?
what are views?
What is proxy method?
emp numb is unique because that is primary key,,but what is foreign key .. explain very clear with example
What exactly do quotation marks around the table name do?