How to count duplicated values in a column in oracle?
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How to display row numbers with the records?
10)In an RDBMS, the information content of a table does not depend on the order of the rows and columns. Is this statement Correct? A)Yes B)No C)Depends on the data being stored D)Only for 2-dimensional tables
What is the function of Optimizer ?
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Is there any function in oracle similar like group_concat of mysql?
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