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September 03, 19:09 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 Osintsev S.V. (Sergej1986) 1 8 30 21

2 Wrobel (mawwro[PL]) 2 9 31 19 1 3

3 Nizamov I.K. (Nizamov) 5 5 28 15 1 2

4 Silakov D. (d_uragan) 1 9 39 11

5 Bublikov (John_Silver) 1 9 9

6 Frolov (simple09) 1 4 40 6

7 Tishin K.V. (plspeaker) 1 3 10 5

8 bsh L. (O.o) 1 2 73 5

9 Sadovnikov A.N. (raul) 1 3 51 1 4

10 Sergeev D.A. (Ethereal) 2 2 57 4

11 e E.A. (gene eae) 1 2 23 4

12 Matveev R. (marse) 1 1 31 2 4 1 1

13 Golubev K.S. (simargl) 2 2 4

14 Grinevich E.N. (DzhonniKesh) 1 1 1 3 4 10

15 draw S. (konsul) 2 1 27 3

16 Kreslavskij O.M. (Arcan) 1 1 169 3

17 Zolotarev A.N. (Musette) 1 2 60 2

18 Khromulyak O.M. (ChOleg) 1 1 65 2

19 Baranchugov A.Yu. (ALEX_BORN) 2 1 2

20 Ovsyankin (Kazaam) 1 1 88 1

21 Gavrilishin D. (PANZER_ZNU) 1 1 11 1

22 Mr. I.G. (Darkoolslayer) 2 1 1

23 NIJHAWAN S. (SANDY1) 2 1 1

24 Kostin A.V. (Volt(220)) 1 24 32

25 W (wainer) 1 22 29

26 Astra (renja) 1 22 29

27 Bonk T.E. (Kariatida) 1 9 29

28 Chmurzynski (mariusz_chmurzynski) 2 21 28

29 Ivanov V. (mr.Forumer) 2 13 27

30 Tret'yakova N.S. (NinaTr) 1 15 26

31 Witmer D. (SqlDave) 2 17 22

32 Aleshin A. (a7475) 6 16 20

33 Hasanzadeh (+1m@) 3 16 20

34 Vetskur Yu.Yu. (Lakr) 1 15 18

35 Yann (arka7) 2 15 18

36 Il'inykh (Luc) 2 15 18

37 Egorov A.Yu. (Alex Egorov) 2 15 18

38 Serdyuk A.E. (m00t) 4 8 15

39 Shetty V. (Vikx) 1 12 13

40 Lupanov (LockedMind) 1 5 13

41 Butenko M. (MaxStoun) 2 7 12

42 Miftakhova E.R. (DaGri) 1 7 11

43 Babkin V.V. (stockman) 1 6 11

44 Allabuttaev (undatr) 1 4 11

45 Skotnikov (Kruglyj) 2 7 10

46 Kamenskikh M. (Dorf) 1 6 10

47 Fenko D. (nikolette) 1 6 10

48 Maksimova (ksks) 1 7 9

49 spets (spets86) 1 7 9

50 Badalyan J.M. (G0RA) 1 7 9

51 Arslanov I.N. (ildaryan) 1 7 8

52 X X.X. (alex123456) 3 7 8

53 K A. (Unknown_) 1 5 8

54 murthy (kiran921) 1 6 7

55 Szymon (swemi01r) 1 6 7

56 Grunenkov A.S. (dr0n) 1 6 7

57 Andama A.S. (mytotbox) 3 6 7

58 N (Daya) 1 4 7

59 Baryshov S.Yu. (smayls) 1 3 7

60 Maltsev (Badi Soul) 2 3 7

61 None D.T. (The Doctor) 2 2 7

62 Skuz D.V. (Dima_SV) 7 2 7

63 ivanov A. (Al-bert) 1 6 6

64 Timina A. (AlinaTimina) 1 5 6

65 Kania M. (mkania) 2 4 6

66 Golovkova M.B. (Marusya)) 1 3 6

67 wicccked (wicccked) 1 3 6

68 kumar (merp) 2 5 5

69 Stranger M. (muete) 1 5 5

70 Chekmarou (adventusa) 1 5 5

71 Ivanov-Zalesskij (ezzzik) 1 5 5

72 Babkin M. (-flint-) 1 2 5

73 Astakhov V. (vAST) 4 2 5

74 miftakhov I. (miftahov) 1 4 4

75 SQLY75 (SQLY75X) 2 4 4

76 S S.G. (seemadwd) 1 4 4

77 Ivanova E.R. (Asmoguliya?) 1 4 4

78 Kostyuchenko K. (KostyaKos) 1 3 4

79 Najdenov Yu.M. (EBCEu4) 1 2 4

80 Sabirzyanov K.E. (Sabirzyanov) 1 2 4

81 Mr. I.G. (Darkoolslayer) 2 2 4

82 Kuznetsov S.V. (mech) 2 2 4

83 Pakhomov A. (betta) 2 2 4

84 Zubova (Sklerotik) 2 1 4

85 Sysoeva T. (Tativi) 1 1 4

86 Lomakin (LAlexanderS) 1 3 3

87 Baratov R.A. (Renatik) 1 3 3

88 Konovalova M.P. (Mariya Konovalova) 1 3 3

89 Kishore (Kislay) 2 3 3

90 Nadezhdina E.V. (Konfetka) 1 3 3

91 Shmyryov (Shmyrev) 1 3 3

92 Taki (Taki) 1 3 3

93 Solov'yov (SSolovyev) 1 3 3

94 Marimuthu R. (Rekhs) 1 3 3

95 S N.A. (nigra) 2 2 3

96 tavberidze (malkhaz) 2 2 3

97 Poornalingam K. (Kanthimathy) 1 2 3

98 Nalet'ko (Katherine_lion) 1 2 3

99 Prakhov A.A. (bibob) 2 1 3

100 Arifullin R.D. (Peter Wilson) 2 1 3

101 Nelidov A.N. (AlexSeed) 1 2 2

102 tymch I.V. (tymch) 1 2 2

103 Gupta G.K. (gunjan007) 1 2 2

104 Novak E. (Novak) 1 1 2

105 Markin (Alex19xx) 1 1 2

106 Kuznetsov (Zuxx) 1 1 2

107 Mihailicenko V. (jarf) 1 1 2

108 binondo L.T. (wing) 3 1 2

109 Lala L.J. (Lucho82) 1 1 2

110 Asinero D.M. (wapulos) 1 1 2

111 Bondar' E. (Katti) 1 1 2

112 Epishova A. (Anna E) 1 1 2

113 Mil'ko Yu.V. (yura67) 1 1 2

114 NATARAJAN P. (PRIYA NATARAJAN) 1 1 2

115 Yellow W. (wyellow) 1 1 2

116 Degtyareva N. (Vesnushka) 1 1 2

117 Shirochkin E.Yu. (jackshirochkin) 1 1 2

118 Gladkova Yu.V. (martinika) 1 1 1

119 wiercinski (dwiercin) 1 1 1

120 Amosov (Daedro) 1 1 1

121 upadhyay H. (Hemu) 4 1 1

122 Zrbvtyrj B.D. (LeonJIV) 1 1 1

123 Unnam S. (Unnam) 1 1 1

124 densh (densh) 1 1 1

125 Seronay K.B. (Chiasa) 1 1 1

126 Mal'tsev K. (MolchuN) 1 1 1

127 Ardian R. (lexyus_88) 1 1 1

128 Gniadkowski L. (leszekg) 3 1 1

129 123 1.1. (12345678) 1 1 1

130 Ashwin (Ashwins) 1 1 1

131 Kohut (vofka) 1 1 1

132 sivanantham P. (puviarasan) 1 1 1

133 Mr A. (anupam_ku) 2 1 1

134 raj (yuva543) 1

135 qqqqqqq (ttt123) 1

136 r (bobnaggy) 1

137 A D.L. (dhana542) 1

138 KM R. (Rohu) 1

139 mailam.thangavelu B.V. (mtbac) 1

140 jayakumar S. (sanlakshmi) 1

141 Ivanov (rosman) 1

142 mikhajlov (kot666) 1

143 Gajvanyuk (alex_gayv@) 1

144 Churinin E.A. (Born) 1

145 Alibabaevich K. (Red Bull) 2

146 dhulipalla S.B. (satish007) 1

147 Safarov D.I. (Gateway) 1

148 Kholodilov A.N. (~onami~) 1

149 sharma S. (shobit) 1

150 nair (binesh) 1

151 kumar M. (mith32) 1

152 estrella A.P. (Tpoy) 1

153 Dalessi C.D. (sql_sr) 1

154 Kachalov S.P. (deman) 2

155 maquiling M. (mikki) 1

156 dhanju R.S. (rddhanju) 1

157 Ravasi A.K. (alemao708020) 1

158 Bakhmanov V.I. (bah) 1

159 Ivanov S.N. (SegaMV) 1

160 Popov V. (Vasilii) 1

161 Gozhan (Katyukha) 1

162 Kazakov V.B. (_medved_) 1

163 VII V.V. (V3131) 1

164 tp V.V. (tprog) 1

165 Bajramgulov R. (Renat Bajramgulov) 1

166 Olekhov (vanhan) 1

167 Vershinina A.A. (LadyX) 1

168 myname (joffner) 1

169 Visconsin (777max4) 1

170 BB (short10) 1

171 inba S.K. (Sathishinba) 1

172 Koval'chuk (Zau) 1

173 Mikhalyov E.A. (Jeka.M) 1

174 Mamaeva A.Z. (Galla) 1

175 Anenkov R.V. (Windsor) 1

176 Rudomyotov V. (Rudik) 1

177 Lastima H.I. (hans) 1

178 Spammer (Knave_s) 1

179 kazakh M. (matyrau) 1

180 suello L.E. (malouesq) 3

181 ! (Marianne) 2

182 Pakshin (Pakshin A. S.) 1

183 Demina N.S. (Theorema) 2

184 Pestunov I. (ivan_p) 1

185 Gousseva (JulieSS) 1

186 a A.P. (asdffdsa) 1

187 Kj (antis) 1

188 Ter (Terabyte) 2

189 Kowalski (MaCh) 1

190 nara (pinky09) 1

191 Sharma A.K. (AnujsSharma) 1

192 Scherbina A.A. (Aleksey_) 2

193 Cooler (wesley) 2

194 V (sqeller) 1

195 Dhruw K.K. (kaushu) 1

196 gauswami M. (fast&furious) 1

197 kondapelly L. (lkanth) 1

198 hihihi H.H. (password) 1

199 Gepford (Katherine725) 1

200 Burik (BOBAH-N1) 1

201 Vorontsov S.Yu. (Serega11) 2

202 satimoff (tashkent) 1

203 Dorzhinov (Petr0) 2

204 Gadzhiev (vlyublenniy) 1

205 Zan'ko E. (John82) 1

206 Joshi D. (DJ21) 1

207 Danda (dsree) 1

208 Danil'chenko V.Yu. (dvu) 1

209 wu (blueclue) 1

210 Jaiswal S.-. (catastrophe) 1

211 Sh K. (Sinner) 1

212 Dmitriev (greenman) 1

213 wendt G. (gwendt) 1

214 2 2.2. (verginia-b) 1

215 Rybkina T.V. (Rybka) 1

216 Fedorenko-Abramova T.S. (Sharlotta) 1

217 Sokolov (sokolok) 1

218 Antonenko A. (Talenor) 1

219 Solomin (Serega_s) 1

220 Kirienko A. (AndreyK) 1

221 mykhaylova (evg_mykh) 1

222 Lavrenko A. (Taery) 1

223 Tsyplakov (Tryam) 1

224 komyl (nikta_86) 1

225 singh A.P. (Anuj Singh) 1

226 Scheglov I.V. (Scheglov I.V.) 1

227 Mitrofanov (-nail-) 1

228 PFight P.P. (PFight77) 1

229 amhinec (dima93) 1

230 Khubulov V. (hubulov) 2

231 Kabruseva (kaMyshKa) 2

232 Bezhaev A.Yu. (Baser) 6

233 Caroline (Carriee) 1

234 Zapisotskyy R. (Robert) 1

235 Bibov S.L. (bibi) 1

236 Shnider W. (abra-2k) 1

237 Vetrov (Domin) 5

238 cabancla (bancsy) 1

239 Ivanova O.B. (OLIVA) 1

240 liang (Keith2010) 1

241 ghazal B.M. (brro) 1

242 Sheringa A.A. (degluker) 2

243 Redhat (Daniel Redhat) 2

244 Uzkij A. (Anton Uzkij) 1

245 lakkadi R.R. (rama1) 1

246 nikitin V.A. (khochu vse znat') 1

247 Chumagin (achumagin) 1

248 Prasad R.K. (rake) 1

249 Sabinin O.Yu. (OCP) 1

250 Bogdanova (Leta) 1

251 Kazinets (Katrene) 1

252 Abzalov (mrq) 1

253 Ivantsov A.S. (Harizmo) 1

254 RAlex A.X. (Tornadorus) 1

255 Lebedeva T.I. (Lebed89) 1

256 Vas'kevich S.B. (Sergej V.) 1

257 Shunkov K.B. (kirisych) 1

258 Vasilij (Vasiliy.K) 1

259 Petrov E. (St_Eugene) 1

260 Zhukov S.M. (__Sai) 3

261 zhdynyak (szhdyn) 1

262 Batyrshin R.N. (Ramses) 1

263 Dorodny G.V. (gena) 2

264 Kurochkin P.A. (qwrqwr) 4

265 Tupikin M.I. (maivtu) 2

266 Daebaev (fffuuuu) 1

267 Kozina (Oxy(gen)) 3

268 Samokvitov A. (Skvo) 1

269 Demidova K.A. (Demidova Kseniya) 2

270 Ulyashov A.S. (Uils) 1

271 Leonova (Kat44) 2

272 Chebykin A.M. (Tcheb) 1

273 Chuprikov A.V. (Andrej Ch.) 1

274 Bekshaev A.V. (alYokha) 1

275 belousov Yu.V. (YuranBBB) 1

276 rahman M. (adnan) 1

277 Yunusov R.N. (Ruslan1707) 5

278 Velikij T.I. (Dr.) 1

279 Borisov A.N. (borisov) 1

280 Viktorov A. (vavdubna) 1

281 Tsarevskij N.A. (Nick-Tsa) 5

282 Dvoryaninov V. (Valdaj) 3

283 Yatsenko D.A. (profesla) 1

284 Konyshev K. (KonstantinK) 1

285 Vasilets E. (algedi) 1

286 Bagaev D.V. (denbag) 1

287 Semaka A.A. (tolikas) 1

288 Maksimov N.A. (NikM) 1

289 Orlov M.V. (Eagleoff) 5

290 Pavlov M.A. (mikeee) 2

291 Kurbanoff N.I. (Nariman Kurbanoff) 3

292 Dubinskij A.V. (_yizraor) 1

293 Lisina (Ksusha29) 1

294 Grischenko S.V. (SergeyKiev) 1

295 Zotov P.G. (Ozzy) 4

296 Makarov I.A. (_Bkmz_) 1

297 Fler (Fler) 2

298 Efimova O.Yu. (El'ga) 1

299 Ol'shanskij A.V. (alx_ol) 1

300 Shindin A.V. (AlShin) 3

301 Kasyanenko A.A. (Kasyan) 1

302 Bakulkin (EugenBk) 1

303 Gorbunov A.V. (risp) 1

304 Sharapova E. (EU) 1

305 Lukov D.R. (Gendalf) 2

306 Lobakh A.V. (-Point) 3

307 Abdullin A.V. (nonStyle) 1

308 Dmitrieva K. (Dka) 1

309 Sribnyak A. (silver) 3

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

311 Katyukova I.A. (IrinkaR) 1

312 Valuev D.I. (Fiolent) 2

313 Derzhal'tsev V.A. (MadVet) 6

314 Tarasov D.B. (Gavrila) 3

315 Bel'tser D. (Den237) 1

316 Zyrin V.E. (Vezyr) 1

317 Schukin A.S. (Faust) 6

318 Miftakhov R.F. (romai) 1

319 Kudryashov O. (Olaf) 1

320 Lyubchenko V.A. (IAS56) 1

321 Unregistered 54

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