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
1237651271882834238120.1046244.28977751883448272374144827267631093.551094
123765289915659089844.196097-8.844821451901448425893244842619321004.229304
123765289916189962756.422957-7.38759165190944849556164484958653194.035571
1237651271898038349170.769266.1775025194244868780704487828302914.252313
1237654604779553634138.868582.972974252252451461082845146152111653.877981
1237654604782305550145.041093.31816235226445156426664515651733263.526267
1237654604781781207143.876513.21408552264451564266645156517331686.382891
1237654604249170221153.706533.43355652355452339928745234930721314.306047
1237654604250284198156.158833.43661235231945203873094520390434913.230096
1237654604249563865154.498483.461100152319452038730945203904342994.958597
1237654604789449039161.438664.11318885233945221154324522119827635.580514
1237652899134767517353.58601-11.00476452553454059276045405965482893.8466
123765262856631107110.649584-11.1789155216245068223144506829120423.903431
123765262963998730610.582274-10.33597252148450561570745056223322693.863703
123765262856729403213.025335-11.14389352177450811703945081214052423.22713
123765262964097062312.851116-10.26005752177450811703945081214052663.214748
123765262856926043817.629236-10.9021075219945100115814510014960503.225117
1237655347814465948228.3545753.7575665237045243754724524806927515.414089
1237648721754980514151.118490.3071151751910448505960644850626924673.04513
1237648721755439546152.275760.2938477351909448497171744849747264243.204516
123765289916399620561.103647-6.69329254481470657331847071789972886.130029
1237654604777652865134.439162.61430725527247750863834775520521.856595.531776
1237651271879753777115.2699338.25053455186476809444547680985327056.331789
1237651271881982308118.4910742.68344555178476732684747674128574883.199704
1237651271884734787123.5997147.8949315526947752556474775259513.87806.510362
1237651271884013676122.1227346.5163875526947752556474775259513.872863.086631
1237651271884931370123.9798448.1735195527347755959394775601189.871623.515707
1237651271884079949122.1702946.66296555186476785239947681155605195.856647
1237651271884276132122.6327646.95931155186476785239947681155605343.048025
1237651271884603983123.3494147.57910555186476785239947681155606323.041871
1237651271884996929124.0790948.3913155208477000031547700062196203.576159
1237655176546746960139.72024-2.107409555213477042876447704376501843.228618
1237655177621602876142.33995-1.364476755214477051801347705249015083.300011
1237655176546157065138.34024-1.94125285524047724160884772759950803.695166
1237655176545895024137.76092-1.911192855240477241608847727599501966.429341
1237655177082306696136.65215-1.598932855240477241608847727599503983.47335
1237654604776014401130.686472.31178025601548397049314839712716.846923.123526
1237654604776211128131.141432.34860965601548397049314839712716.847683.309147
1237654604776407756131.642032.41542665553847984382084798522569.863343.475048
1237654604776931994132.800852.52571275553247965372564798000469.857603.056729
1237654604777652978134.492532.72664785527247750863834775520521.856463.211795
1237654604778111597135.558512.71194215527247750863834775520521.859164.637452
1237654604778308341136.040672.66558855527747756023374775953810.862433.612445
1237648721747968771135.175450.404408775553247980013914798009895.875063.637345
1237654604778504853136.384192.682235554047986913244798696154.856123.083296
1237654604779225729138.051022.84607695554047986913244798696154.859543.446832
1237654604779552828138.789033.01524445554247987818034798870025.87816.553629
1237654604779422205138.485452.93242465554247987818034798870025.871663.806432
1237654604779291485138.279122.80687735554247987818034798870025.872186.510125
1237648721750196719140.24810.409885915553447981744444798182639.865323.177188
1237648721750327938140.570940.344105315553447981744444798182639.866203.337006
1237648721751834866143.987160.382127075553347980906714798095503.879743.73877
1237648721752949264146.465550.243991235556347992124934800682580.87397.004532
1237648721752556156145.684110.402169225556347992124934800682580.878763.441842
1237648721752621274145.80180.355165465556347992124934800682580.878913.083181
1237648721752949172146.559060.302332895556347992124934800682580.879985.572836
1237648721752949378146.55230.286975025556548008489864800853819.865995.6512
1237648721753145946146.998460.398259045556548008489864800853819.867143.240387
1237648721753669709148.170680.296755515553947985238174798614559.856034.113936
1237648721755177423151.600920.382326995530047779299374777935766.858884.379498
1237648721755505117152.313860.262017495530047779299374777935766.859893.205318
1237648721755177605151.682270.230030395557448015450804801628906.885143.292932
1237648721756160618153.840970.343392085557448015450804801628906.889383.152922
1237648721756226063153.954190.338895935554347986970194798961287.875304.400112
1237648721759044180160.487120.403183795529047770690134777076858.879943.036414
1237648721759109212160.626540.255493165556948009368754801194681.886763.658557
1237648721759306015161.049510.396794585601448396253654839631179.867623.151053
1237648721759371523161.145330.307411525601448396253654839631179.868183.118787
1237648721759830564162.193590.22367035601448396253654839631179.869703.252607
1237648721759830446162.288540.391620625601448396253654839631179.869843.193774
1237648721760158270162.978580.306421745557048012860944801290924.888173.302133
1237648721760944518164.746150.2235625530247779372664778111128.846553.185681
1237648721761861642166.817850.266080765557248014547594801463237.876723.198975
1237648721762714108168.800810.321285735558848027493764802840331.876173.626537
1237648721762910765169.262980.246799795558848027493764802840331.877305.163185
1237648721762976427169.459680.325412875558848027493764802840331.877743.175323
1237648721763435198170.505020.291272885557548017188894801723722.886134.077934
1237648721763762606171.158290.224456495557548017188894801723722.887343.239147
1237648721764221756172.331930.372312225557548017188894801723722.8810003.013245
1237648721764090254172.001320.246280775557448016300324801635849.865083.066462
1237648721767170436179.020120.277900945527847758732844776045767.857744.899391
1237648721767629228179.983670.418002035527847758732844776045767.859643.177828
1237648721767956915180.733190.31952625532147797477364779751601.836563.183962
1237648721768284456181.590570.361431245532147797477364779751601.838883.665201
1237648721768546780182.100360.305894945532147797477364779751601.839794.069196
1237648721768415857181.813670.367918455532347798364454779922605.845683.102957
1237648721768612501182.302860.352602815532347798364454779922605.846523.273365
1237648721768874866182.945190.337687535532347798364454779922605.848143.066556
1237648721769267808183.779340.327621795532747800050224780268531.855683.757722
1237648721769988966185.449850.346717025558848018088604802845206.885063.397987
1237648721769989114185.494830.222407625558848018088604802845206.885126.34683
1237648721770512889186.589130.309727495558848018088604802845206.887763.942517
1237648721770513314186.694220.393330575558848018088604802845206.887806.127844
1237648721771037333187.868760.308722925564748079259694807931804.855383.185623
1237648721771168448188.205930.3102685564748079259694807931804.856163.038953
1237648721771954879189.984320.342095645564748079259694807931804.859763.182879
1237648721773396473193.167040.24614585557548015500194801726867.876785.205154
1237648721756488420154.63520.243447285554347986970194798961287.876583.831635
1237648721756947008155.62970.357419325554347986970194798961287.878905.605177
1237648721757274343156.433730.212863765554347986970194798961287.879963.021686