Your SQL command was:
 SELECT TOP 100 sp.objID, 
 sp.ra, 
 sp.dec, 
 sp.mjd, 
 px.taiBegin, 
 px.taiEnd, 
 sp.fiberID, 
 sp.z 
 FROM specPhoto AS sp 
 JOIN plateX AS px ON sp.plateID = px.plateID 
 WHERE 
 (sp.class='QSO') 
 AND sp.z > 3 

Your query output (max 500,000 rows):

objIDradecmjdtaiBegintaiEndfiberIDz
123768007447117870827.1006625.3287275736049558389064955925243.1653.466368
123768007447124431527.29460725.2928735704649284424634928785464.184383.142175
123768007447124478127.33209425.3389165704649284424634928785464.184396.030838
123768007447294807131.57560224.6742915706449302497274930339629.171073.877052
123768007500582146121.55941126.7000325621948572593164857351937.861373.041872
123768007500667392623.69436826.356215706249300765394930164808.179235.882922
123768007500680454224.06470426.2645535706249300765394930164808.179784.243001
123768007500765679526.25267926.0092385736049558389064955925243.168836.317843
123768007500804977727.25657225.8303935594648336563764833745439.878143.319881
123768007500883615629.21772325.5807955704649284424634928785464.189783.352381
123768007500896737329.5325825.5439735594448332312074833573619.861963.161914
123768007501008153232.27970924.8786925594748337465304833834742.871283.011359
123768007554020194315.26571127.7396545736349560122254956185528.163485.840771
123768007554033317315.6107727.6691255624048591573084859161154.866344.303513
123768007554059494516.35471727.640235624048591573084859161154.867503.297029
123768007554282335421.92440927.0060435622348576977744857701620.855006.120959
123768007554361005423.96084426.7959635706249300765394930164808.179463.790137
123768007554374105524.28730926.6833085706249300765394930164808.179824.0752
123768007554413423825.29595826.5438195622348575293484857705278.873663.233106
123768007554465903226.56783426.3209315736049558389064955925243.169195.839284
123768007554524788328.12404426.0156585704649284424634928785464.187263.342237
123768007554531373128.20392326.0309875704649284424634928785464.187643.340106
123768007554570702829.28932425.8943415594448332312074833573619.868185.225085
123768007607536859010.97046928.4188245736049559133004955916163.149235.484462
123768007607543466911.07890928.265045736049559133004955916163.149643.116039
123768007607602437312.62645128.2214695735949558264644955830309.177323.064533
123768007607602446212.66756828.2439585735949558264644955830309.177313.047379
1237657774461879084120.3323128.4932295553547981615364798249448.859403.245853
1237657774462468348121.4959829.3147255553747984240624798428988.876517.011245
1237657774462469646121.5530129.4508765553747984240624798428988.876497.011245
1237657774462600179121.7170729.6489415553747984240624798428988.876833.137691
1237657774463583050123.5812931.1631235554247987682114798859279.867283.250256
1237657774463583169123.6367331.16215554247987682114798859279.867323.172535
1237657774464631500125.6972432.7836735553247979022574797990482.854543.313781
1237657774464958960126.1756533.3516495553247979022574797990482.853945.661252
1237657774467580346131.6956937.3190825745249638603384963864181.147364.155061
1237657774468235774133.2436638.184675745249638603384963864181.149443.65943
1237657774471250552140.5358242.3040575739049585166474958520489.137603.044128
1237657774471709140141.6671842.8899075741949608442084961017581.143336.493199
1237657774996915220116.8270425.7689135560048031597944803853041.89763.327712
1237657774997111922117.2024326.0868715553347980729104798078729.854143.037203
1237657774997569963117.9753726.7312795553347980729104798078729.852803.809217
1237657774998029153118.8399327.5050565553347980729104798078729.858803.25834
1237657774998225185119.1074627.8494225553347980729104798078729.859515.120788
1237657774998618883119.8856928.5384335553547981615364798249448.858606.540706
1237657774998619136119.7919228.5530135553547981615364798249448.858583.594044
1237657775000453140123.2158631.4250195554247987682114798859279.866763.150098
1237657775003600010129.59636.2900385745049636873474963693152.131315.448834
1237657775003664678129.6338936.4716115745049636873474963693152.131345.646598
1237657775004320080131.1032437.487755625148601163734860122184.865523.931375
1237657775004647997131.8362637.9511645745249638603384963864181.147593.046976
1237657775004713212132.1547738.0089955625148601163734860122184.867043.29043
1237657775004778639132.2196438.0415385625148601163734860122184.867563.130267
1237657775005238174133.3752138.7424075624848598582794859862127.852103.06247
123768007607674521214.43365828.1950935735949558264644955830309.179934.821628
123768007607753192416.58605927.9613185736349560122254956185528.161164.155012
123768007607772910917.09643627.9681415736349560122254956185528.16296.1434
123768007608093955225.23486627.0107635622348575293484857705278.873816.562686
123768007608192208027.6818526.6540975704649284424634928785464.186705.699628
123768007608192231227.64945226.5780835704649284424634928785464.186283.114549
123768007608192261127.65576226.7045355704649284424634928785464.186223.046949
123768007608205399128.10688626.6250145704649284424634928785464.187417.002496
1237680091110769439333.2680914.2599325574948165702184816744607.857623.559396
1237680091111228179334.3576314.3473795585648259638224825971604.855553.26026
1237680091112800734338.1065914.8776395618748545729374854576782.847853.772937
1237680091112801335338.1193214.9282145618748545729374854576782.848263.194453
1237680091647902798333.906614.8647075574948165702184816744607.859063.229795
1237680091648557701335.3273514.9439275585648259638224825971604.856635.294003
1237680091651572669342.5017715.9304615624448594857394859490570.871703.426889
1237680092184772888333.7751115.2023875575148169201214816924949.853623.284405
1237680092186411460337.6505415.7096755582348217431284823123961.859883.483323
1237680092187198265339.5310215.9563425620848563810644856383930.842423.786386
1237680092723413703337.880216.1412245623548587133394858716203.845963.442786
1237680092723610176338.287116.2811375623548587133394858716203.846803.351444
1237680092724789929341.1175716.5264495624448594857394859490570.874643.084901
1237674289148134000126.9835634.919995553247979022574797990482.857485.548108
1237657775537128131122.4396731.4801845554247987682114798859279.865163.799004
1237657776072098929118.769628.6441625553547981615364798249448.856443.746019
1237657776072622798119.5626229.5133165553547981615364798249448.857463.289495
1237657775535358462119.2432628.5268245553547981615364798249448.857683.165937
1237657775533917117116.7577226.1602585553347980729104798078729.854824.321743
1237657776071509035117.6612127.6921795553347980729104798078729.856703.053258
1237657775534506950117.7778927.1343435553347980729104798078729.856983.330296
1237657775534965822118.5573627.9148635553347980729104798078729.858343.014158
1237657775532868694115.0236224.4360275586648267703424826857204.85483.778797
1237657776069345880113.8320224.017955586648267703424826857204.851663.287723
1237657776080946235137.2997442.254725599948383217784838325627.862744.733271
1237657775542567499134.0287439.6566845624848598582794859862127.851114.135811
1237657776078914056132.4451739.2113975624848598582794859862127.854584.107968
1237657776079569437133.9602340.1519925624848598582794859862127.858883.341348
1237657775542633317134.1390539.8671535624848598582794859862127.859383.381964
1237680093261398323340.4696817.0096995620848563810644856383930.84643.201977
1237680092725576327342.9491816.7471655624448594857394859490570.87904.058766
1237680093262250252342.501617.1626055624448594857394859490570.871603.13163
1237680093262316014342.5452417.2739475624448594857394859490570.878943.848562
1237680093260350063337.9112516.5678375623548587133394858716203.845923.075377
1237679008780583539341.204518.73241215619148549191634854923010.84523.315473
1237679009853473465339.244269.27743445619148549191634854923010.844653.151131
1237679008781566855343.522068.84541985592148293377184831580277.854823.261243
1237679009315029657335.545238.71593855620948564712754856475122.855505.549254