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February 05, 20:29 MSK

SQL Exercises is intended for acquiring good practical experience, which is focused on data operation, namely on SQL DML. Certain exercises for beginners are provided on the site, they are supplied with the necessary reference source on SQL syntax with a great number of examples. Apart from them, 3 rating stages are suggested, they are aimed at testing of specialists and their certification. The source is absolutely free of charge, and the certificate purchase has a voluntary basis.
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Today statistics

nLog - number of logins;
nSelEx - number of select exercises solved today;
lastEx - number of last select exercise solved;
nDmlEx - number of dml exercises solved today;
Scores - sum of points on the exercises solved today (select and dml);
numLrnEx, LrnScores - number of exercises solved today and sum of points on learning stage

No Surname nLog nSelEx lastEx nDmlEx Scores numLrnEx LrnScores

1 Zajtsev V.S. (VSZ) 1 6 16 9

2 Gudim D.V. (gudok) 2 5 24 8

3 Kukushkin S.A. (smog) 1 3 109 8

4 Avetian A. (artemiuss) 3 4 53 5

5 Demidov M.V. (T-bit) 1 3 9 5

6 Bezhaev A.Yu. (Baser) 4 2 189 5

7 Vas (artiej) 2 3 32 4

8 Ivan'kov G. (IGA) 3 2 34 4

9 Poltavtsev S.V. (Poltavtsev) 2 2 71 3

10 Nikolaeva (Lake) 2 2 11 2

11 Knyukh (Worker) 2 1 68 2

12 Tingaeva E.P. (TEP) 1 1 38 2

13 Grinkevich D.L. (Dmitrij Grinkevich) 1 1 84 2

14 Kozlov M.V. (mensch) 1 1 -2 2

15 Lazarev I. (iLq) 4 2 2

16 Slabospitskij A.E. (SanE) 3 1 2

17 Zotov P.G. (Ozzy) 2 1 23 1

18 Box (Box) 2 1 23 1

19 Krasavin D.V. (denvk) 1 1 4 1

20 Bychkovskij G.A. (GeBy) 1 1 23 1

21 Egorov Yu.A. (Yury Egorov) 1 1 23 1

22 Smith A.N. (Smithy153) 1 1 1

23 M (marek!) 1 21 44

24 refreg (Refreg) 2 27 42

25 Pakhomov (AndreyPakhomov) 4 26 39

26 Leonov K.V. (leonovkv) 2 23 31

27 B K. (KishanB) 4 20 31

28 crazy (Ivon) 1 10 30

29 Lucero (gnico) 2 19 26

30 Ierdna S. (Tieru) 1 18 24

31 Alent'ev S.Ya. (botviks) 1 16 23

32 AAA A.A. (SomeOne) 1 15 23

33 Shvedova (lolipops) 2 17 22

34 V (Slasher) 3 16 20

35 caga C.C. (caga1) 1 7 19

36 Scherbakov D.V. (SchD) 1 15 18

37 Mironov A. (klikli1) 3 14 18

38 Gajfulin (GDR) 1 14 18

39 Smith A.N. (Smithy153) 1 13 18

40 Polyakova V. (Bil Smit) 2 14 17

41 Potapov A. (Aliksander) 2 6 17

42 Evtuwenko (evgen30) 1 13 16

43 Gavrikov A. (AlexGavrikov) 2 8 16

44 Men'shikov M. (SusaninM) 1 7 15

45 Legejda O.V. (oleg020890) 2 6 15

46 Lazarev I. (iLq) 4 5 15

47 Lau (TLYH) 1 12 13

48 Zhulanov I.V. (Zhulanov) 1 8 13

49 Zalesskij (KirT) 1 9 12

50 Pokotilova (tayana) 1 8 12

51 Terekhova R.V. (R_Terekhova) 1 6 12

52 Ar (San sanch) 1 5 12

53 Tevdorashvili V. (daemos_4l) 1 4 12

54 baba R.A. (ronSQL) 2 9 11

55 Sechkarev A. (4ward_s) 3 8 11

56 Drozdov S.M. (Sergej Drozdov) 1 5 11

57 Bodnarchuk O. (olchyk) 2 8 10

58 Chen J. (Jason123) 1 8 10

59 Il'ina A.B. (formatelena) 3 5 10

60 D. V.A. (dissent) 1 4 10

61 Borisov (DriverWolf) 2 7 9

62 Altshul E. (Jenyaalt) 1 7 9

63 Budranova A. (AnastasiaAB) 1 7 9

64 Muha (fly1985) 2 5 9

65 Kuznetsov A.Y. (Webtoucher) 2 3 9

66 Posidielova O. (OlgaPosidielova) 3 7 8

67 Sokol (tuslo1) 1 7 8

68 Zaslon S. (Sergey Zaslon) 3 5 8

69 Margolin L. (Mli) 1 5 8

70 Forbes M.B. (datadaddy) 1 5 8

71 Kovtonyuk L. (Sviteryuk) 1 4 8

72 Kabakov A.A. (andrkaba) 3 3 8

73 Dobronravov O.A. (dobron) 2 3 8

74 EHauler (EHauler) 1 3 8

75 Ivanov (ESC) 2 6 7

76 Adzhej E. (dest) 1 6 7

77 Yakovleva (maniko) 8 5 7

78 Sheshin (Coopersino) 2 5 7

79 klassen E.V. (fao) 3 4 7

80 Nikonova L. (nlora) 1 4 7

81 Golovkov N.S. (Kit) 1 3 7

82 hanscom S. (shaneo) 1 6 6

83 Subkhankulov A.A. (Ajrat407) 2 5 6

84 Novits'kij N.P. (Nikolka) 1 5 6

85 petrova (ank80) 1 5 6

86 Jakubowska (lilek17) 2 4 6

87 Ghai N. (nickname007) 2 3 6

88 Milyukov A.S. (Bjarny) 2 3 6

89 Burminskij A. (AlexGydr) 2 3 6

90 Potaturin I. (DirtyHippy) 1 5 5

91 Peshko A. (Onward) 1 5 5

92 Oleshkevich M.A. (psevdo_oma) 1 5 5

93 Krut' A.V. (kpytb) 2 4 5

94 Gyago D.G. (DLLG) 1 4 5

95 Gavrilov (Zeus_g) 1 3 5

96 Agarwal A. (select_anurag) 1 3 5

97 Karanchuk (fortis.dp) 1 3 5

98 Slabospitskij A.E. (SanE) 3 2 5

99 green (stepanv) 2 2 5

100 Postoyuk (Ian) 1 4 4

101 koleda O. (dgu) 1 3 4

102 Kocherha (Victor K.) 3 2 4

103 Gottinger H.S. (AliceRaubritter) 2 2 4

104 Slynko A. (buongiorno) 1 2 4

105 Romanenko R. (romanenich) 1 2 4

106 Kondratenko V.V. (SerValer) 1 1 4

107 Kadziela J. (k47) 2 3 3

108 poppy M.P. (poppy) 1 3 3

109 pokr P.P. (pete) 2 2 3

110 kkk (Alizee84) 2 2 3

111 Ivanov (wasded47) 2 2 3

112 Polupanova Yu.V. (Uajs) 1 2 3

113 Ulan A. (ulan_am) 1 2 3

114 Dmitry (Dmitryphobos) 1 2 3

115 Rogozina D.A. (D@SH) 2 1 3

116 Vlad (VLD) 2 1 3

117 Styorshijsya I. (ZAMUNDA) 1 1 3

118 Savrasova (jyl) 1 1 3

119 solomakha (solomakha.roma) 1 2 2

120 Vakhromeev D. (BuffaloJim) 5 1 2

121 kumar M. (mannu) 2 1 2

122 Shamparov D. (dimk) 2 1 2

123 Andrienko (ASergey) 2 1 2

124 Uporov A.Yu. (Anton1922) 2 1 2

125 Zviagintcev S. (fenixe86) 2 1 2

126 Tereschenko (LenaMarika) 2 1 2

127 Bel'dij O.S. (Zhiva) 2 1 2

128 Fejgina E. (Lilu7777) 1 1 2

129 Pushkin D.A. (PushDmit) 1 1 2

130 Kowal (Maniek) 1 1 2

131 Kryuchkov S. (SergoK) 1 1 2

132 Tursunova V. (valerianka) 1 1 2

133 Demeshchenko I. (Rida) 1 1 2

134 Belyakova (Chidory) 1 1 2

135 simoes A.L. (andre_simoes) 1 1 2

136 Barinov S. (SBarinov) 1 1 2

137 Yaroslav R. (slavka) 1 1 2

138 Anufrienko M. (r0-mashka) 1 1 2

139 Bakka A. (ArunaSunnys) 3 1 1

140 Vishtak (Barmalej) 1 1 1

141 Kashefi (KIA4t) 1 1 1

142 Kargin V. (Dark Shark) 1 1 1

143 Alendeeva (Alendeeva) 1 1 1

144 Radu (AlinaMy) 1 1 1

145 kickass100500 (kickass10050) 1 1 1

146 Pavlenko (alexir) 1 1 1

147 momo (momo06) 1 1 1

148 Kreslavskij O.M. (Arcan) 6

149 Grischenko S.V. (SergeyKiev) 5

150 Kurochkin P.A. (qwrqwr) 4

151 Kasumov M.M. (Marat@dag05) 4

152 Makarov R.S. (RainSpotting) 3

153 Kislyakov V.V. (KVV) 3

154 tyc-tyc (ndan) 3

155 Grechukhina E.B. (Glena4) 3

156 Volosovich S.V. (ChUKChA!!!) 3

157 Chebykin D.N. (GriGrim) 2

158 Boiko D. (Angellore) 2

159 Nemo (Log) 2

160 Shaymardanov M.M. (xLiSPirit) 2

161 Bakushin A.V. (bandrey) 2

162 mohan M.M. (rampal) 2

163 Yurchenko S. (sergyu) 2

164 Zuev (DrWoo) 2

165 Kozyrev A.A. (henry_from_302) 2

166 Lyashenko I.N. (SkyLine4444) 2

167 Pushin D.V. (Feleks) 2

168 Golovin K. (K.O.) 2

169 Karetnikov A.S. (Users7) 2

170 Dashevskij R.S. (Shredinger) 2

171 Reshetkov N.A. (hash72) 2

172 Zubynin (Sergm137) 2

173 Gershovich V. (VIG) 1

174 hrystaleva (angelina33) 1

175 Hakobyan H.H. (hamlet) 1

176 Karasyova N.V. (vlksm) 1

177 Yatsuk A.A. (Faust_zp) 1

178 Menshov S. (SergM) 1

179 Sal'nikov S.A. ($erges) 1

180 Orlov M.V. (Eagleoff) 1

181 Koletvinova A. (Poganka) 1

182 V (Tenyva) 1

183 Petrov D.B. (GiBis) 1

184 Kir'yanova K.S. (Ksu66) 1

185 Bykhovoj A.N. (Andrej_spets) 1

186 test (2face_on) 1

187 Kalyuzhnyj D.S. (mazepa) 1

188 K. V. (mazep) 1

189 Latypov K.M. (CAMOrOH) 1

190 Nemtinova A. (golden_tigra) 1

191 Zajtsev P.V. (Pazav) 1

192 Pozhidaev (Kacman) 1

193 V S.Yu. (bzdun) 1

194 Raceanu V. (Valentin) 1

195 Antanyuk D.G. (iq) 1

196 Saprygin S.P. (Irod) 1

197 simoes A.L. (simoes.a) 1

198 Popov S.A. (MEFISTO) 1

199 Vakhrameev A. (WY) 1

200 del S.S. (slavca) 1

201 Bovkush S.A. (serg0753) 1

202 Kornienko D.N. (kDnZP) 1

203 sqldummie (sql.dummie) 1

204 Kudryavtsev G.G. (koka_baskin) 1

205 Jacek W.G. (yotters) 1

206 Kalinin K.A. (kalinin_k) 1

207 mychok (mychoke) 1

208 Malyshev A.V. (antonio_yar) 1

209 Is A.S. (kitana) 1

210 Ukryte (Satoru) 1

211 Kirsanov (dinozavr) 1

212 Dutka D.P. (bad-dimka) 1

213 Kasaev V.A. (Valerij23) 1

214 Boloyan (Lapindros) 1

215 Borodulin K.V. (belion99) 1

216 Faleev A.V. (Softimage) 1

217 giller M. (menashe) 1

218 Shkarupa D.U. (rezuna) 1

219 khidesheli I. (khidesha) 1

220 T E.F. (elvira10) 1

221 Svoj A.B. (has161) 1

222 Aleksandrov P.A. (absoluten) 1

223 Kim B. (bongster) 1

224 Nikitushkin R. (romon) 1

225 Tiunova S.A. (Dinna) 1

226 Johnson S. (Be) 1

227 Popov N.N. (Nicolay Popov) 1

228 Kostina V.K. (Floppy) 1

229 le D.D. (davele) 1

230 Vasilega O.P. (olegbest1987) 1

231 Budanov V.A. (o4karik) 1

232 Semenov A. (Alex1982) 1

233 Andrienko P.S. (kems1) 1

234 Nikolajchuk (N1k0S) 1

235 Lazarev I.V. (Ilya88) 1

236 romikus (romikus) 1

237 Mirosz A. (Palp) 1

238 Stern M. (M. Stern) 1

239 Abdymanat Yu.G. (Yulam Abdymanat) 1

240 Krylova (anka1) 1

241 Timrov F. (FocusInc) 1

242 Chernov A. (Arturius) 1

243 Rusyaev (zeraks) 1

244 Zhi (BarbaraZhi) 1

245 Timoschenko A.A. (J_e_w_e_l) 1

246 Olivares P.D. (polidel) 1

247 sqltester V. (sqltestek) 1

248 Shadrin D. (uasyachka) 1

249 Popova A.A. (AnkaM) 1

250 Korobchenko D.V. (amnes) 1

251 Nam A.G. (NamAlex) 1

252 Krylova (anka2) 1

253 Borisenko Yu. (Borisulia) 1

254 Poti (poti) 1

255 de baenst (kamiel) 1

256 Shevyakov I.V. (sqlitscool) 1

257 B. A. (Babic) 1

258 Svetlov (Kristophe) 1

259 reshetnyak (akim_r) 1

260 Manokhin A.Yu. (lehmann1) 1

261 Kascejeva (JelenaK) 1

262 Ada (Magrat11) 1

263 sg M.M. (hertzas) 1

264 kst (chr) 1

265 Suboch T.V. (tagema) 1

266 Yudakov A.V. (nordman) 1

267 kim J. (gangzk) 1

268 Blinkova (Anastacia1127) 1

269 Fomin V.E. (AK911) 1

270 Jacek (jack11) 1

271 mishra S. (sandy23) 1

272 ouagadougou (ouagadougou1) 1

273 P P. (Cadbury) 1

274 Unregistered 32

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