You asked: I need to have a query which will give me the smallest value in a table and the column containing it. Please note there can be any number of columns. All will be number data type.
We said: This can be achieved by unpivoting the result set and then group them to find their minimum value as shown below.
Tips and Tricks in Oracle Advanced Concepts
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The DESCRIBE_COLUMNS API describes the columns of the SELECT statement which is opened and parsed through a cursor. This procedure consist...
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When we mix SQL and PL/SQL together, we get context switches. That is, the control is switched from the SQL engine to the PL/SQL engine and...
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The NVL and the COALESCE functions are basically the same. They return the first NOT NULL argument and if there are no NOT NULL arguments, ...
