Your SQL command was:
 SELECT TOP 10 
 objID, ra, dec, 
 sqrt( power(rowv,2) + power(colv, 2) ) as velocity 
 FROM PhotoObj 
 WHERE 
 (power(rowv,2) + power(colv, 2)) > 50 
 AND rowv != -9999 and colv != -9999 

Your query output (max 500,000 rows):

objIDradecvelocity
1237674893660324091304.2400234506429.7700630547139.64294675579608
1237674893660324273304.23787866522329.727766160923111.7853657814349
1237678578745738227337.29295516670621.15950726863119.1023644178585
1237672131998516044278.16897052900215.27409725964778.14106139467521
1237672132000351772281.54420436225417.95413803340389.32163952754633
1237654188708921768174.93914918877-0.258536376761339.94329531315532
1237674893662618856309.16160302871226.73605330999459.78454380421264
1237654188711805074181.426750364531-0.30396180579085512.9407957056278
1237672132001268094283.22734446868819.237868127754313.7048068424756
1237672132001467029283.67932116602319.6261259261289.95297841863084