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December 29, 20:47 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	sdfghjkasdfghjk (dfvmhgnv)	1			10	11	11	18
2	Lapshov M.R. (Sereneven'kij)	1			10	11	ban	ban
3	Abramova Yu. (GalaxyTears)	1	4	62		9
4	fioletovaya (fioletovaya2)	1	4	45		7
5	Raznitsyn (Pepperni)	1			6	6
6	Yastrebov D.D. (Yakimori)	1			3	4
7	Vdovin S. (Rujan)	3	1	123		3
8	Vedrentsov B.S. (Zero.Sat)	1			2	3
9	Argalia (Argalia)	2			2	2	1	2
10	Zeinilova S. (SimaZeinilova)	1			1	1
11	Brynza A. (abrynza)	2					35	52
12	Kozachenko A.K. (Netwalker)	1					15	22
13	Novitskaya E.S. (tea_)	1					12	19
14	Gorodetskij M.O. (lolopsh)	2					15	18
15	Jfrhd (print_AJ)	2					15	18
16	Nizhnikov (RayBr)	3					14	17
17	Vnukov D. (Astronaut_Vnuk)	1					12	16
18	Tarasov O. (OlegTarasov)	5					11	16
19	Sharkova Yu. (sharky-s)	1					10	14
20	Ramzanovich D.Z. (zakaiorzakai)	2					10	13
21	Vakulko A.V. (VAlexandrV)	1					7	12
22	Mel'nikov A.Yu. (SuMMeR)	1					7	11
23	Tarasov L. (Tarasovla)	1					6	11
24	Ark (Arkan123)	1					8	10
25	reck R.R. (reckxbt)	1					7	10
26	Rudskaya (octopusshhh)	1					7	10
27	Isaev M. (madik777555)	2					7	9
28	Godless L. (LolaGodless)	1					7	9
29	maksimov M.A. (tester543)	1					7	9
30	Samandov S. (Suleyman.Samandov)	1					7	9
31	qq Q.Q. (stormxgod)	1					5	9
32	P I.*. (IrinaPetr)	4					3	9
33	Bogomolov V.I. (BVladis)	1					6	8
34	Kerimov (notandor)	2					5	8
35	Flegantova A.V. (ann.flegantova)	1					5	8
36	Charipov Z.C. (ZhanbOo1)	2					4	8
37	Bube (ValBube)	1					4	8
38	Spiridonov (MaxS888)	2					6	7
39	Aliev (krogi)	1					6	7
40	Khristosov (AleksXov)	1					6	7
41	Nikita (kito4)	2					5	7
42	Vysotskij E.V. (Esscape)	4					4	7
43	Politov P.V. (Avilon777)	2					4	7
44	Monas (beartacklertb)	1					4	7
45	Kylin (Kylin)	1					6	6
46	Kolesov S.B. (Kolesov Stepan)	4					5	6
47	Shorokhova (Say Cheese)	2					4	6
48	Orlova A.V. (Sasha520)	1					4	6
49	Ivanov I.I. (vlad91)	1					3	6
50	Kashintsev (certtone)	1					3	6
51	Hesenzade (Hasanzade)	3					5	5
52	Kolomijchuk V.V. (Vlader-228775)	1					4	5
53	Vishneva K.V. (krisvishneva)	1					3	5
54	Shuvalov (Spectre1915)	1					3	5
55	Vinogradnik D. (Hypnogogian)	1					3	5
56	Ivanova A. (Vega2025)	2					4	4
57	Grachev V. (VladislavIlyich)	2					4	4
58	T (salfetka_6)	2					4	4
59	Chernyshev I.A. (d3m0k1d)	2					4	4
60	Bukenov D.M. (darkhan97)	1					4	4
61	Il'ina V.A. (oksanaveronika)	2					ban	ban
62	Ovchinnikov (Donemon)	2					3	4
63	Fedorova V.N. (verun)	1					3	4
64	Fattah N.Q. (Neymat)	1					3	4
65	Gorbunkov M.S. (gms)	5					2	4
66	Finaev V.N. (htdcanbfa)	1					2	4
67	Borodulina A.N. (ruannik)	1					2	4
68	Potapova V.A. (malespero)	1					2	4
69	Kamaletdinov (@iki_masiro)	1					2	4
70	Denisov N.A. (colorized!)	1					2	4
71	Vishnevskij D. (R@ZOR)	1					2	4
72	tumma S.T. (_SvetLa)	1					3	3
73	Wooster (Nick Bucklow)	2					2	3
74	Kolobin N.S. (gerod0t)	2					2	3
75	Maharramov A. (Maharramov)	1					2	3
76	Mustafaev R. (Ramiz7777)	1					2	2
77	Kucherov A.A. (Arahnid)	2					1	2
78	Livshits (@Valeriy)	2					1	2
79	Val'ko P. (Enrqez)	2					1	2
80	Kulagin K. (kmascot)	1					1	2
81	Lakalov D. (Meilleur_NG)	1					1	2
82	Smirnov (spekt)	1					1	2
83	Emel'yanova (emel'yasha)	1					1	2
84	Zhavoronkov M.V. (iMaxXL)	1					1	2
85	Idrisov A.S. (AinurSQL)	1					1	2
86	Potikhenskij Ya.K. (Potixenskij Yan)	1					1	2
87	TamTam (Totoro12)	1					1	2
88	Salikhov R. (Rustam_S)	1					1	2
89	Zhiryakov V.V. (vladvladzero)	1					1	2
90	Goncharuk E. (LenaGonch5)	1					ban	ban
91	Ryabov A. (Slavander)	1					1	2
92	Tejshin L.N. (TankLion)	1					1	2
93	Korolev N. (Vyshekryshi)	1					1	2
94	Belyak (TheTester)	1					1	2
95	Fayzullayev (Lutfullo)	1					1	2
96	P'yankov (IVAN PI)	3					ban	ban
97	Mikhail M.P. (geozlo22)	2					1	1
98	Moroz E. (Jenny Frost)	1					1	1
99	Berzhitskij V.D. (RILIKS)	1					1	1
100	Trubchaninov (Chackchoker)	1					1	1
101	Chalov (auxiliarytrinket)	1					1	1
102	Lena (i_am_pine)	1					1	1
103	Kanunnikov P.V. (Inoj777)	1					1	1
104	Narembekov T. (fountaineww)	1					1	1
105	Yagudina E. (Yagudina E.B.)	1					ban	ban
106	recruiter (squid recruiter)	1					1	1
107	Ruzin (PaRuz)	1					1	1
108	Pedynin A. (blythev)	7					ban	ban
109	Petukhov D. (DmitryData)	4
110	Koptel'tsev V. (selber)	3
111	Ivanov (SilverLight)	3
112	Shishkova O. (OksanaShish.)	3
113	Kurochkin P.A. (qwrqwr)	2
114	Tolokonnikov A.G. (Alexander_ttl)	2
115	Larionov A.N. (BTBB)	2
116	Lupin A. (hongweibin)	2
117	Sk (Sknv)	2					ban	ban
118	Ivanov (userTest1)	2
119	Sha (Stp2cry)	2
120	Ivanov (Odna popytka)	2
121	Troshin S.S. (TSS)	2
122	Abdullaev' B.I. (Babek94)	2
123	Sychyova A.N. (Arina S)	2					ban	ban
124	Safronov P.A. (Paulus73)	2
125	Gusejnov R.E. (Rafaeldbm)	2
126	tagiyeva N.G. (umaynurten)	2					ban	ban
127	Grebenkin D.V. (denchan)	2
128	Yakimenko (Nikita9kimenko)	2
129	Kuznensov A. (kuznec4life)	2
130	ss (_SQL_0)	2
131	Yashin D.A. (saintg)	2
132	Evgrafova (vagrfv)	2
133	Belogurova K. (Katy_Ekb)	1
134	L S. (S_lsn)	1
135	Goncharova Yu. (julica)	1
136	Stulenkov I.N. (Igor' S.)	1
137	Polyakov V.M. (rock_4)	1
138	Ivanova (astyt)	1
139	Kolmogorova (NadK)	1
140	ZOTOV K. (Winnermann)	1
141	Gluschenko A.M. (AlexGl)	1
142	Makarov D. (Dmitriy Makarov)	1
143	Pupkin A.A. (SnakeJkeeee)	1
144	Voronkov A.D. (v.kras)	1
145	Smith (tibacityblues)	1
146	Tsay S. (Sergey Ts.)	1
147	Babanov O.A. (alloff)	1
148	Yakovleva I. (irisha.yackowlwa)	1
149	Avdeenko I. (Igor_001)	1
150	Garifulla N. (Nurik2003)	1
151	alizada F. (alizadafidan)	1
152	Ml (ilya_62)	1
153	Yakshin I.V. (ivan_y)	1
154	Bulychev E.N. (Tai32)	1
155	Malikov R.M. (shtiglits)	1
156	Gulyakova S.A. (Sveta321)	1
157	Bredikhin M. (maxim_bredikhin)	1
158	Buyanova ($IRIN@)	1
159	Pesotskij I.V. (Slevin282)	1
160	Belov (sicario7)	1
161	Ivanov (Tiffanius)	1					ban	ban
162	Stepanov (SQstep)	1
163	Naumov A.D. (wad881988)	1
164	Antipina E.S. (e.antip)	1
165	Nikishin E.A. (nikev)	1
166	Osipov M.N. (Maksim22)	1
167	Khajrullina L.A. (Kanatokhodets)	1
168	Abolmasov I.A. (ivan.aleksandrovich)	1					ban	ban
169	Shajkhutdinov M. (dep0n)	1
170	Paniushkin I. (faboput_)	1
171	Vaganova N. (natalie_best)	1
172	Zajnutdinov R.R. (Allezzio)	1
173	Markova (Irena280880)	1
174	gimalov I.I. (super_malay)	1
175	Solomakhin M.S. (Rukaburunduka)	1
176	Kurmyshev D. (HailSatan)	1
177	Kuz'min D.V. (rundle)	1
178	Sarkis'yan G. (gennadi_s)	1
179	Berger (petra_berger)	1
180	maslov V.G. (vitmas)	1
181	Skokov B.S. (leks$$)	1
182	Egorov (Artem076)	1
183	Parakhina (sweety-vanilla)	1
184	boitcev (boitc)	1
185	Fink T.Yu. (FTatiana)	1
186	Aniskovich E. (evgeniyaniskovich)	1
187	Piliya I.N. (Luciano4444)	1
188	R. (Wra1th)	1
189	Mitchell (girluncool)	1
190	Komov S.M. (Komov S. M.)	1					ban	ban
191	Ismailov R. (Rumb)	1
192	Saf T.R. (TimSaf)	1
193	Nikulin E.N. (amarlee)	1
194	Lysykh V.K. (Usilitel')	1
195	Familiya I.O. (1richo)	1
196	Jena (XLr8_)	1
197	tomer T. (chtomer)	1
198	Andreev D.N. (Danoxv)	1
199	Vinogradova E. (-Helen-)	1					ban	ban
200	Anisimov I.A. (sunshine223)	1
201	M (DanilM2304)	1
202	Lykova N.A. (N@taliya)	1
203	Nazarov N.N. (FOX222)	1
204	Vukolov A. (al.vuk)	1
205	Ursaki M.A. (Maloii)	1
206	sydygaliev A.D. (paradoxyakka)	1					ban	ban
207	Riskov G.S. (Gleb_Riskov)	1					ban	ban
208	Pikuleva (kessedey)	1
209	Bugaev (RuslanBugaev)	1
210	S M.S. (Honey Canary)	1
211	Rakib (rakibshanto)	1
212	Schmitt (Styani)	1
213	Isaev I.S. (Menru)	1
214	Kapusta O. (TajGeddar)	1
215	Mart (Zenward)	1
216	Mozhegov (Danila.M)	1
217	Mokhammad Zakhir R.M. (Raheba)	1
218	Fyodorov (pacrog)	1
219	Ovsyanov A.B. (BoLoTnUk)	1
220	Fetisov I.V. (waden)	1
221	Malyshkin S.A. (Alfa Sergey)	1
222	Menyaeva A. (NanoZlo)	1
223	Bratkovskaya (A.Bratkovskaya)	1
224	Nekrasova A.N. (The Ravens Nest)	1					ban	ban
225	Monakhov M.A. (MonakhovMA)	1
226	LastName (genericAf)	1
227	Suslikov V.D. (Suslikevich)	1					ban	ban
228	Avdyukhova L.P. (lubovavduhova)	1
229	Asget (Asget)	1
230	Yakovlev A. (Nemo_@)	1
231	Butenko D. (Sipuha89)	1
232	Revskij (ollywo)	1
233	R M. (drfgsdrg)	1
234	ushakov (vitaly1972)	1
235	R A. (Akshay_RM)	1
236	Nurmagamedov (flatsoup)	1
237	Pupochko T.K. (AdeptSem)	1
238	mawdmawmdaw K.K. (Marxovich)	1
239	Unregistered	34

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