Matt contributed this handy SQL techniques to pivot one row of several columns into a single column with several row, using the Oracle cross join syntax. Matt notes that the Cross join "has other uses in conjun
Matt contributed this handy SQL techniques to pivot one row of several columns into a single column with several row, using the Oracle cross join syntax. Matt notes that the Cross join "has other uses in conjunction with a WHERE clause to create triangular result sets for rolling totals etc ...
Oracle 11g introduced the newPIVOTclause that allows you to write cross-tabulation queries which transpose rows into columns, aggregating data in the process of the transposing. As a result, the output of a pivot operation returns more columns and fewer rows than the starting data set. The foll...
pivot_for_clause: This defines which columns will be grouped and pivoted on. pivot_in_clause: This is used to filter the values for the columns in the pivot_for_clause. Each of the values in this clause will be a separate column. If that’s confusing to you, don’t worry. The examp...
A subquery isused only in conjunction with the XML keyword. When you specify asubquery, all values found by the subquery are used for pivoting. The output isnot the same cross-tabular format returned by non-XML pivot queries. Instead ofmultiple columns specified in the pivot_in_clause, the...
Multiple Pivot Columns. You can also use the PIVOT function to create multiple pivot columns. For example, the following query uses the PIVOT function to create a summary report of sales data by region and product category: SELECT region,。 product_category,。 SUM(sales)。 FOR product IN ('...
A subquery isused only in conjunction with the XML keyword. When you specify asubquery, all values found by the subquery are used for pivoting. The output isnot the same cross-tabular format returned by non-XML pivot queries. Instead ofmultiple columns specified in the pivot_in_clause, the...
A subquery isused only in conjunction with the XML keyword. When you specify asubquery, all values found by the subquery are used for pivoting. The output isnot the same cross-tabular format returned by non-XML pivot queries. Instead ofmultiple columns specified in the pivot_in_clause, the...
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A subquery isused only in conjunction with theXMLkeyword. When you specify asubquery, all values found by the subquery are used for pivoting. The output isnot the same cross-tabular format returned by non-XML pivot queries. Instead ofmultiple columns specified in thepivot_in_clause, the subqu...