Need to get the output of a column with its column name in as rows

Hi
Have the following table columns

curvedetails_id, curve_id, curvedetails_date, p0030, p0100, p0130, p0200, p0230, p0300, p0330,

I need to do a query that does the following output

CurveId"      ,"CurveDate",     "PNumber",     "PReading"
"206116",     "31-Dec-2002",   "P0030",           "26.18"
"206116",     "31-Dec-2002",    "P0100",          "8.80"

where the "pnumber" column is the column name in the table Is there anyway to get this without using a whole bunch of unions

Cheers

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