How can you merge two tables in oracle?
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select * from emp what happened internally when we write this query in the sql prompt?
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What is STATSPACK tool?
What is a Database instance ? Explain?
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
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Describe the different type of Integrity Constraints supported by ORACLE ?
List the various oracle database objects?
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Difference between oracle's plus (+) notation and ansi join notation?
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