What are operators in oracle?
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Explain integrity constraint?
Explain what does a control file contain?
how to create a new database in oracle?
How many types of segments in Oracle?
I have a table emp. There is only one column in the table. In that , there are only three rows in that column. The value in the first row is 'A' and the value in the second row is 'B' and the third row is 'C'. Now, my question is , How will you write a select query to display the output as B C A Note: order by cannot be used coz it gives us output as CBA. But the output should be BCA.
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Explain implicit cursor.
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