What is control file used for?
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What is difference between a formal and an actual parameter?
How to use in conditions in oracle?
Can objects of the same Schema reside in different tablespaces.?
What language does oracle use?
What is a cluster Key ?
Is it possible to enter only time value into a column of a table in sql?
How many types of table in Oracle?
How to create a single index for multiple columns?
How to work with data objects interactively?
candidate key is subset of super key but not vice-verse explain
What is an index associated with a constraint?
write sql query following source are EmpID, Salary 101 1000 102 2000 103 3000 I want the output format like following empid,sal,composite_sal 101 1000 1000 102 2000 3000 103 3000 6000