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August 04, 17:11 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	safronov (GarikS33)	1			6	7	1	1
2	Shibaev (saah)	2	3	56		5
3	Bespalov (proWorker)	1			3	3	15	18
4	Buk (sqlfighter00)	1	2	2		2	10	14
5	Sarkis'yan G. (gennadi_s)	3	1	204		1
6	Smirnov A.S. (ton186)	2			1	1	1	1
7	Aleksandrov A.A. (aleksandrov)	1					18	29
8	R (sankficeba)	3					15	26
9	Smith S. (sam.smith)	2					12	22
10	Familia (Layden)	1					12	20
11	Novikova (maria105)	1					15	19
12	Mikhajlov S.Yu. (NightfallVoid)	4					ban	ban
13	TTTT (kidivad221)	1					15	18
14	Lomakina (lomchik)	1					11	17
15	asiqu I. (yasiqu)	1					13	16
16	gorrog (gor1234)	2					9	15
17	piopio5 (piopio5)	1					8	14
18	Pugacheva A. (pugacheva)	3					10	13
19	asd A.A. (tonyapp)	3					8	13
20	Rezvan (SilentLand33)	1					7	12
21	GUJARATHI (VAIBH001)	1					9	11
22	Kotov V. (Vladosss1995)	1					9	11
23	Budyukin L.D. (StanceInfaimm)	1					8	11
24	Nikulenko P.A. (Flower1001)	1					6	11
25	Turanskaya E. (Kate_tur)	1					6	10
26	asd A.A. (defiler__616)	1					6	9
27	Usikova (Ya.)	1					5	9
28	Nozdrachev A. (nozddr)	1					5	8
29	pavlov (PVLV22)	1					7	7
30	penkova (sonya3)	1					6	7
31	Cherov V.A. (GroveS)	1					6	7
32	Yartseva (irinayarts)	1					6	7
33	Elizbaryan V.A. (SevVagr)	1					6	7
34	Arinushkin A. (grawl)	1					6	7
35	salmanov (onlu)	1					4	7
36	dve Z. (Exzotik)	1					6	6
37	Vlasov (kirill181992)	1					5	6
38	Khokhlov (TermiDD81)	2					4	6
39	Azimov (magamaga)	1					3	6
40	Romanov A.A. (andromus)	1					3	6
41	Mikhajlov S.Yu. (NIGRINO)	1					ban	ban
42	Dement'eva (Kate1234)	4					5	5
43	Karniz V. (Realita)	1					5	5
44	Trushin A.N. (Meskalino)	1					5	5
45	Kharisov A.Ya. (Azamat777)	1					4	5
46	Kazantsev V.D. (kentiko_0)	1					4	5
47	Zhakupov B.Zh. (-=h@cKer=-)	2					3	5
48	Krikunov V.V. (Krikunov_Vitalik)	2					3	5
49	Khorunzhij E.A. (wuwuqw)	2					3	5
50	Sidorenko (Junior_Explorer)	1					3	5
51	Murin I. (Ilya__M)	1					3	5
52	yvavy Y.Y. (equarq)	3					4	4
53	Bocharnikova A.A. (Lliona)	2					4	4
54	Shakirov E.M. (sqlbigboss)	1					ban	ban
55	Kovalevskij P.V. (soulshon)	1					4	4
56	Abzhaliev I. (Isco723)	1					4	4
57	Frantsuzov E.A. (Micron)	2					3	4
58	Kuznetsov (GloomyFox123)	2					3	4
59	Avdeeva D.A. (daryaayrad)	1					3	4
60	Borisov D.R. (Dmitry.Bo)	1					3	4
61	Niyazova (Leyla1542)	1					2	4
62	Chernushkin R.I. (xGOD1ko)	1					2	4
63	Vladimirtsev A. (Mostov)	1					2	4
64	Tovmasyan D. (kidivad22)	1					2	4
65	Karimov (Askhat007)	1					2	4
66	Leont'eva K.E. (keleonteva)	1					2	3
67	Pan'kov A. (ktnkl)	1					2	3
68	Khvoshchev S. (VIXS1512)	1					2	3
69	Kungurov A. (Alexey10)	1					2	3
70	Nagovitsin E.V. (bakawolf)	2					2	2
71	Mihaylov P. (plgurenn)	1					2	2
72	ke1pie I. (kelpie2013)	1					2	2
73	Strukov (StrukovSA)	2					1	2
74	Bogatyrev N.V. (BNV2873)	2					ban	ban
75	Polyakova V.M. (Roni0x)	2					1	2
76	Sadovaya K.A. (k1x07)	1					1	2
77	Kasimov D.R. (Salomon-itis)	1					1	2
78	Pantelin D.V. (Dendrout)	1					1	2
79	E (neri)	1					1	2
80	Zubkov D. (Dm54)	1					1	2
81	Moldakynov A.A. (Nomad444)	1					1	2
82	Marushevskij M.S. (Selezen.x55)	1					ban	ban
83	Ischenko K.Yu. (Kpuh)	1					1	2
84	Pushkarev S. (PSV_n)	1					1	2
85	Urakina K. (Ksu774)	1					1	2
86	Suslov (Skyman163)	1					1	2
87	Mikhajlova V.P. (veneragret)	1					1	2
88	Luneva D.A. (DLuneva)	1					1	2
89	Ryabikina (Allusikk)	1					1	2
90	Landa M. (supertim)	3					1	1
91	Zhdankin M.V. (Zhdankin M.V.)	1					1	1
92	Turlo M.A. (maksimturlo)	1					1	1
93	N (N43)	1					1	1
94	Potapov V.S. (potapov95)	1					1	1
95	Koptel'tsev V. (selber)	4
96	Krasovskij E.A. (pegoopik)	3
97	Tapdigov A. (emanat-1)	3
98	Tsay A. (antoninho)	3
99	Williams B. (BW)	2
100	Kurochkin P.A. (qwrqwr)	2
101	Altashin S.V. (burrito)	2
102	Balashova (albalashova)	2
103	Rassolova V. (leontina)	2
104	Iatkin (MIhey_70)	2
105	Skokov B.S. (leks$$)	2
106	kornaji (Janiz Kornajiz)	2
107	Komov S.M. (Komov S. M.)	2
108	Skibin V.V. (SQL_vvs)	2
109	Avdyunina V.D. (Ruibing)	2
110	Zyuzyupupuk P.K. (@mutagen00)	2
111	Murat M. (murat_mukhammed)	2
112	Savchenko V.P. (Vladislav11111)	2
113	Zaluzhskij V.S. (vszsky)	2
114	Akopyan K.G. (Karlen)	2
115	Volkolevov V.L. (VolkoLev)	2
116	java (fors1kc)	2
117	Kul'kova (Elenovna123)	2
118	Khromov (Pavel Khromov)	1
119	Setrin A.A. (Perez)	1
120	Aipova (Railya)	1
121	Solyanikov (salt1962)	1
122	Kudryavtsev M. (Ekr)	1
123	bukachu D. (bukachu84)	1
124	Bulusu A. (bulusu14)	1
125	Kadiev (Watermelon king)	1
126	Abdulmanapov A. (Dvarik)	1
127	Voronov D. (Elnov.70)	1
128	Kon'kov (Monomakh)	1
129	Dudykina D.O. (Dashkent)	1
130	Ushakov A.Y. (ushakov94)	1					ban	ban
131	Nazyrov R.R. (Davel)	1
132	Tsay S. (Sergey Ts.)	1
133	krylov (krylwte)	1
134	Guseinov A. (Ali_G)	1
135	kesjfe (vmfort)	1
136	Rajput P. (Prahlad_1)	1
137	Kosinova V.R. (kosya321)	1
138	Dolgikh A. (dolartQA)	1
139	Saidov I. (igor_1993)	1
140	Mikhajlov A. (Mikhailov A. A.)	1
141	Shik I.Sh. (shikino)	1
142	Burov (incredible93)	1
143	Akimova A.V. (nastinkt)	1
144	aa (Yuliy_020)	1
145	Postnykh D.V. (AnimeLenin)	1
146	Voronin A. (anton_voronin)	1
147	Kolpakov (VJiQ)	1
148	ss A.S. (SashaSS)	1
149	Rodin (uoloki)	1
150	Kameneva (kristachak)	1
151	Timur Ch.V. (timskywalker)	1
152	van L.2. (lxrvan)	1
153	Volkonenkov S.S. (volkonenkow88)	1
154	Muthukrishnan A. (Agal13)	1
155	Kukushkina A.D. (kukushan07)	1
156	Klyavlin V.S. (laliawe)	1
157	Balakin V. (G_Xian_00313)	1
158	Rastorguev (SnegopadLa)	1
159	R. (Wra1th)	1
160	Aldatov (Khetag23)	1
161	Zazhigalkin (kzazhigalkin)	1
162	Kalashnikova A.K. (anzhelikakalashnikova)	1
163	Korolev R.V. (zouker)	1
164	Rakhmanov (moodyton)	1
165	Turar O. (Olzhasyu07)	1
166	Anisimov (ArturenciA)	1					ban	ban
167	Vel'goretskij M.R. (Coocklers)	1
168	Lysykh V.K. (Usilitel')	1
169	Sairanbek D. . (sairanbek_darkhan)	1
170	Safronova E.I. (Kate Safro)	1					ban	ban
171	Listopadov (lexx41)	1
172	Kuznensov A. (kuznec4life)	1
173	Pyatkova Yu.V. (Yuksik)	1
174	Mikaya (Gio9248)	1
175	Legkova A.O. (albebex)	1
176	Boyarintseva E. (eleonbor)	1
177	Vasil'ev (GudiniMoonlight)	1
178	Kydyrov S. (SultanBeybars)	1
179	Krechetov D.V. (Rugby)	1
180	Zakharov (svyyy)	1
181	Yakovleva (nyans)	1
182	Korolev A.A. (Ereticheskij Chajnik)	1
183	Turuzbekova A.M. (Aylin120699)	1
184	Saveliev I.U. (Rizruf)	1
185	Kryukova Yu. (July_1201)	1
186	Sikunchik (meowboom111)	1
187	Burtonov A.V. (tak to)	1					ban	ban
188	Shil'chenkov M.A. (msmshilchenkov)	1
189	487 (487)	1
190	Rakhmetolla S. (Shattyk96)	1
191	23 (ll23lll)	1
192	Bogdanov D.A. (awie)	1
193	Grishin N.S. (MkNobody)	1
194	Fedorchukova D.V. (DariyaFedorchukova)	1
195	Fomitskij A.A. (Qleks)	1
196	kofuku (Kofuku)	1
197	Kim V.V. (Victory13KiVi)	1
198	quagmire G. (macintoshqydl)	1
199	Klimenko E.A. (LenaKlimenko)	1
200	Yuds (glareofluna)	1
201	Ivanovsky V.A. (Imvyache)	1
202	Krasovitskij S.A. (povelitel' dannykh)	1
203	Schetinina M. (Mary_meow)	1
204	anonim (anonim5464try)	1
205	Rushkova I.I. (X_A)	1
206	Ivanov (Bugor)	1
207	Khodeev V. (dex_99)	1
208	Popov (inzen_haim)	1
209	Rassolova T. (Tina_rass)	1
210	K S. (eska_13)	1
211	Tienka E. (Eva.tienca)	1
212	Zlomanova M. (mzlomanova)	1
213	Obuhov A.V. (reggkard)	1
214	Mikhajlov (Kpiceyeks)	1
215	Unregistered	38

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