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September 02, 15:35 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	Tsybin A.V. (magicdragon)	2	1	36	1	4
2	Skokov B.S. (leks$$)	2	1	47		3
3	Shibaev (saah)	1	1	68		3
4	Berezovskaya O. (Rocksolana)	1	1	3		2
5	Avdeev D.Yu. (kaddoktheslayer)	2					31	44
6	tykva P. (soda)	1					15	26
7	Nikitin T.E. (Now2Where)	1					15	26
8	Grishkova (Overbyaka)	1					15	22
9	Kejl D. (kdanl)	1					15	21
10	Kozitskij V.S. (podguZZZnik)	1					15	21
11	Tabolina O.M. (ksyusha667)	1					15	20
12	Batylin I.I. (ehrmantraut)	1					15	20
13	Leont'evskij D.Yu. (Denis__20)	1					11	19
14	m D.A. (SQLster)	2					15	18
15	Piotka V. (Pilotich)	1					ban	ban
16	Kuznetsov P.D. (sql-chik)	1					10	13
17	Kuz'menko (ma0kuz)	1					8	13
18	Lyashenko A. (aalyashenk)	4					11	12
19	ArsenalVItek V.V. (ArsenalVItekLOL)	2					7	11
20	Hughes (SindbadTheSailor)	2					7	9
21	Purbuev B.Z. (PurbuevBulat)	2					5	9
22	Gnetetskaya P. (Polina_gn)	3					7	8
23	Davidenko (avanpost492)	1					7	8
24	Mardanov A. (Azhbertovs)	1					6	8
25	Gar'kusha N.A. (frkw)	1					5	8
26	Voropaev A.A. (Dizelniy)	2					6	7
27	Shatokhin D.O. (pepepedadada)	2					6	7
28	Romanov D.S. (aza9aza)	1					6	7
29	Mel'nikova V.A. (LokiV)	1					6	7
30	Shuginin Yu. (der_Spielmacher)	4					5	7
31	DMRITsD (TheCupOfMagic)	1					5	7
32	Melkozernova (asdwe)	1					5	6
33	Borisov V.S. (narcopolo)	1					5	6
34	Guschin I. (IgorZadachkin)	1					4	6
35	Bashkirov V.Yu. (Go gora)	3					3	6
36	smegma S.S. (smegma)	2					3	6
37	Bilyj (DenTob)	2					3	6
38	pops P.P. (emiu)	2					5	5
39	Amel'chenkov M. (ytcn)	2					5	5
40	Smyk T.A. (Tamerlyn)	2					5	5
41	Sindyakov I.A. (Tsar' loutaba)	2					5	5
42	Maslakova O. (Nyx_888)	2					5	5
43	Reznikov I.E. (banan_09)	2					5	5
44	Babranikov A.A. (Unsterblich228)	2					5	5
45	semenov D.E. (znez999)	2					5	5
46	Shakirova (Viktoriia_she)	1					5	5
47	Lamonov Ya.I. (hecker_floppa)	1					5	5
48	Zhivilova S. (zhivilova)	1					5	5
49	Yakovleva O.A. (Rybka_123)	1					5	5
50	Boboev F.F. (Farzod123)	1					5	5
51	Vlasenko V. (John 2484N1)	1					5	5
52	R N.A. (Droma)	3					4	5
53	Shil'chenkov M.A. (msmshilchenkov)	2					4	5
54	Romanov N.A. (LgcCore)	1					4	5
55	Surname (Void_107)	2					ban	ban
56	Bocharnikova A.A. (Aleena22)	1					3	5
57	neletko Y.B. (sxlava)	3					4	4
58	Tokan (KAINARIO)	2					4	4
59	sower Q.Y. (deeeeee)	2					4	4
60	Kychkov D.S. (Demanozr)	2					4	4
61	Kirejchik S.A. (yabloko)	2					4	4
62	Al'vares R.O. (Abobusniev)	2					4	4
63	Vasenin M.A. (Renevo)	2					4	4
64	Detroit (Gibraltar)	2					4	4
65	Kurnosov (neopoznannyj)	1					4	4
66	Usanova D.A. (Usanova Dar'ya)	1					3	4
67	Goldobin E.G. (prm259)	2					2	4
68	Klochko T. (radoxa)	2					2	4
69	Gilazova A.N. (Alishulya)	1					2	4
70	Khokhlov (TermiDD81)	1					2	4
71	Komissarov E. (Lalafa1)	1					2	4
72	grigor D.E. (choso)	3					3	3
73	DDTYJIJ1 D.D. (DDTYJIJ)	2					3	3
74	Shishimorov I.A. (van_)	2					3	3
75	Choporov I.A. (ivan choporov)	1					3	3
76	Shmorgun G.S. (BrhQ2YH7)	1					3	3
77	Lozovoj G.V. (HoroL)	1					3	3
78	Sargsyan T.A. (uhqf)	1					3	3
79	Zambalaeva M.V. (Maria642)	3					2	3
80	Bekeev (_bekonec_)	2					2	3
81	Kravchenko P.V. (cirilohysP)	1					2	3
82	Korolev R.V. (zouker)	2					1	3
83	Grzhegorzhevskij A. (dontrapano)	2					2	2
84	Kokorin (Eteroton)	1					2	2
85	Lyakh (LinaL_)	1					2	2
86	Esk'yuel' D. (wlkr4sh)	1					2	2
87	Potuschev E. (John016)	1					2	2
88	aa (axaxax)	1					2	2
89	Naif G. (kiderarogSQL)	1					2	2
90	Dimant Y. (Dimant)	1					2	2
91	qwerty (qwertyf)	1					2	2
92	roiti (roiti_user2)	2					ban	ban
93	Stikentzin D. (Aliandr)	2					1	2
94	Ivanova O.N. (olga_ivanova)	1					1	2
95	Beketov (becat)	1					1	2
96	Pavlov M.A. (firestormer)	1					1	2
97	SIbagatullina (solnyshko199)	1					1	2
98	Van der Vin P.V. (DestroEdinson)	1					1	2
99	Rozhkov M.A. (okisen)	1					1	2
100	Davtyan (Davtiano)	1					1	2
101	Antonova (Elena_No)	1					1	2
102	Pushkarev S. (PSV_n)	1					1	2
103	Sobachkin A.F. (Al_Wolf)	1					1	2
104	Berseneva T.M. (Bersa_3785)	1					1	2
105	Larionov S. (folter)	1					1	2
106	Pupkin (ChK2026)	1					1	2
107	Kolbaskin I.A. (kolbasskin)	1					1	2
108	Petsgol'dt P.K. (Pavel1PK)	1					1	2
109	Sklyarov A.M. (DataRadist)	1					1	2
110	Zub (Rosavor.)	1					1	2
111	Potapov (SportClub)	1					1	2
112	Bektashev I.V. (ilven10)	1					1	2
113	shlyxa (stariy_bog)	3					1	1
114	Tyurin A. (AnySkyF)	2					1	1
115	Grebenyuk A.A. (Snorax)	2					1	1
116	Loksik A.A. (LoXxik)	2					1	1
117	Ivan V.I. (saintegglant)	2					1	1
118	Konovalov Ya.M. (jnssportplus)	2					1	1
119	m D.A. (SQL670)	2					1	1
120	Cherepanova A.R. (Alexandrina1.0)	1					1	1
121	Vasil'ev (GudiniMoonlight)	1					1	1
122	Urakina K. (Ksu774)	1					1	1
123	Karelina M.A. (Mariya Karelina)	1					1	1
124	Tynybekova G.R. (Gulaisha)	1					1	1
125	Fedorov (F0ll)	1					1	1
126	stepanov (runparom)	1					1	1
127	resq (resq)	1					1	1
128	Tsybart V. (varki)	1					1	1
129	Ustuzhancev M.Z. (Empire_Kvartz)	1					1	1
130	Vikhrenko N.O. (breezS)	1					1	1
131	Koptel'tsev V. (selber)	4
132	Pavlov I.A. (WhiteCat110)	3					ban	ban
133	Arakcheeva P.R. (Ara_888)	3
134	abc A.A. (67676)	3
135	Sarkis'yan G. (gennadi_s)	2
136	Musin A.R. (Azat3007)	2
137	Pitcil (fallsin)	2					ban	ban
138	Tazetdinov R.S. (ridik_k)	2
139	Kondratenko N. (thrust_set)	2
140	Salikhov R.A. (Ruzik707)	2
141	L (LiliiaX)	2
142	Perfil'ev I.V. (HexQ9)	2
143	Pashov M.A. (student matyaj)	2
144	Dernov A.A. (pantera_5267)	2
145	. P... (phaycon)	2
146	Ereshchenko V.E. (ereshchenko_vv)	2
147	Williams B. (BW)	1
148	Krasovskij E.A. (pegoopik)	1
149	Bryukvina O.Yu. (Findus)	1					ban	ban
150	Izotova V.S. (Zlyusya)	1
151	Karavaev A.S. (karavaev_as)	1
152	Kolesnikov N.Yu. (MrflaSh)	1
153	Fedotov A.A. (alexxfed20)	1
154	Trifonov I. (Trifan1969)	1
155	Nagovitsin E.V. (bakawolf)	1
156	Abdulmanapov A. (Dvarik)	1
157	Kryuchkov P.S. (S69hdkkrk)	1
158	Kozachenko D.V. (diana.kozachenko)	1
159	Vasil'tsov A. (UltraSkill_2000)	1
160	Trifonov V. (Vadimtvt)	1
161	Ignat'ev A.A. (DigyFox)	1
162	Markson A.A. (FriendOfDarya)	1
163	Tararin D. (TDV)	1
164	Frolov K.A. (Murderface_)	1
165	Klokov S.A. (JUSSIAR)	1
166	darkqueen (darkqueen)	1					ban	ban
167	Kitaev K.I. (Kostas1234)	1					ban	ban
168	Krupko E.L. (Krupko)	1
169	Altunashvili J.A. (jangira89)	1
170	Sharapatov N.S. (qum11ch)	1
171	Terekhov I.E. (foxboy)	1
172	Khajrullin Yu.R. (User201122)	1
173	Rad V.I. (Vlaid)	1
174	Najdich (Demon-Angel)	1
175	Markova (Irena280880)	1
176	Abdullaev (Artas)	1
177	Dekhtyarenko S. (Dekhtyarenko)	1
178	Kuznetsov (GloomyFox123)	1
179	Veres (Landa88)	1
180	Gonvharov T. (timurgoncharov)	1					ban	ban
181	Maltsev D.A. (danil_mlts1)	1
182	Malinovskaya I.M. (irina_malina)	1
183	Kokoulina E.A. (janekoko)	1					ban	ban
184	P I.*. (IrinaPetr)	1
185	Ziterev (Batysai)	1					ban	ban
186	Yermekov (dias-code)	1					ban	ban
187	Zheludkov S. (zhsvyach)	1
188	Karaseva A. (Anechka88)	1
189	R. (Wra1th)	1
190	Novikov M.R. (novikov2050)	1
191	Il'in S. (Maito_Gai)	1
192	Anisimov (ArturenciA)	1					ban	ban
193	Lysykh V.K. (Usilitel')	1
194	Akameeva S.V. (SVA1)	1
195	Sedun A.A. (antoshaSQL)	1
196	Tarikuliev Sh.K. (Verkhovod)	1
197	Schegolev (kubik10)	1
198	Markevich (pol^2y)	1
199	Kuznensov A. (kuznec4life)	1
200	Zhagbaeva D.D. (odn-dami)	1					ban	ban
201	Val'kovskaya O.A. (valkosha)	1
202	Bogatyrev N.V. (BNV2873)	1					ban	ban
203	Mikheev V.E. (akaza78)	1
204	Terekhov G. (H_Terehov)	1
205	Kyroto1 A. (Kyroto)	1
206	Tsybulaev D.A. (pncttm)	1
207	Shinkevich I.V. (aivan96)	1
208	7shkin S.V. (Slavnik)	1
209	Burtonov A.V. (tak to)	1					ban	ban
210	Levin Yu.A. (pdestroyer)	1
211	edmond2 (edmond2)	1
212	Avdeeva D.A. (daryaayrad)	1
213	Astrelina D. (smiling_corgi)	1
214	New R.G. (newLogin)	1
215	Bezmolitvennaya Yu.V. (yillixx)	1
216	Bezuglenko (artem_enotenko)	1
217	Koala2 (Koala2)	1
218	Nesterov D.A. (saha909)	1
219	Terekhov A. (terekhovart)	1
220	Reva S.I. (s.reva)	1
221	Gnitij E.N. (gnitii)	1
222	Belousov E. (Evgen441)	1
223	Mal'tsev V.O. (monsterlolit)	1
224	hasanli S.H. (samed!)	1
225	Bragin N.A. (Mash228)	1
226	Nebol'sin N.A. (Gripenll)	1
227	Danitsa A.I. (ulpiu)	1
228	Kajlachakov M. (MikeKyle)	1
229	Matvienko I.V. (bigboss2002)	1
230	pes P.P. (bonybek)	1					ban	ban
231	pes P.P. (pes435232423)	1					ban	ban
232	POshlyak A.P. (coch)	1
233	Rybina D.S. (Diana Rybina)	1
234	Kulikova E.A. (Elvira_kulikova)	1
235	Gurov A.P. (Gurov Anton)	1
236	Demchenko M.A. (Demchenko mariya)	1
237	Burkit E.B. (erkhannnum)	1
238	Mitrofanova (JulKnk)	1
239	Kusyakina I.V. (oiwei)	1
240	Kovtun A.Yu. (sillygoosegagaga)	1
241	qqqq Q.Q. (ruewn322)	1
242	artemmabon2000 A.S. (artemmabon)	1
243	Tri N.S. (Nitriv_1)	1
244	Khromenko Yu.D. (yuliakhrom)	1
245	Omurbekova A.U. (Asema.U)	1
246	Kotoiants E. (cheg1990)	1
247	Zuev M.A. (Mikhail Zuev)	1
248	Unregistered	48

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