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June 16, 16:27 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	Lymar' K.K. (Kirill L (TsI))	1			3	6
2	Safronov P.A. (Paulus73)	1	1	119		5
3	P I.*. (IrinaPetr)	3	1	81		2
4	Vakulko A.V. (VAlexandrV)	2			1	2
5	Shibaev (saah)	1	1	10		1
6	Rustamkhuzhaev Kh.B. (Khozhiakbar)	1					15	26
7	Taigarayev Y.K. (ZeroFGM)	1					15	26
8	Pakhomov A.S. (pahomovas)	2					ban	ban
9	Shukaev (danegumya)	2					14	19
10	Koshel'nyj V.V. (d1abet1k)	1					15	18
11	Diaz de Leon D. (theonelostTaco)	1					14	17
12	Peredrij R.A. (ratikZ)	1					13	16
13	Averin A.R. (alverin1310)	1					10	15
14	Kuchuk (Uchukak Namor)	1					9	15
15	Khamuev (Tabooret)	1					ban	ban
16	Serikkali B.A. (Beknur)	1					11	14
17	Ivanov N. (nick8998)	1					8	14
18	Shupanova G. (ShGulmira)	4					10	13
19	Tlegenov I. (tlegenovv)	2					8	13
20	Sadreev D.A. (tomatomaxx)	1					8	13
21	N I. (xcoldat67)	1					9	12
22	Leonov (aslnv1)	1					9	11
23	Pahadayeu A. (AndOffline)	2					7	11
24	Gismatullin (ArtemGis)	1					7	11
25	Nasirli T. (TuralNas1rl1)	1					7	11
26	Starkov A.V. (anstarko)	1					8	10
27	Boronbaev D. (senpaidias7)	3					6	10
28	test (qwerty37892)	1					5	9
29	Emirov N. (breeze_)	2					5	8
30	Shelekasov (Vasshell)	2					6	7
31	Pedur (gitaristdaone)	1					6	7
32	Vorobev A. (VAV516)	1					6	7
33	Chajka M.O. (Akado-)	1					6	7
34	Kavaliou (miki_koval)	1					5	7
35	Topilina E.V. (kat9i)	1					4	7
36	Daron (Daron_g)	1					4	7
37	Temirgali N.K. (NurTem)	2					5	6
38	Kislinskij V.S. (vladislavkis)	1					4	6
39	Serdyuchenko E.Yu. (eserdyuchenko)	1					ban	ban
40	Yushina Yu.K. (YuliyaYushina)	1					3	6
41	Nikol'skaya A. (avxx)	3					5	5
42	Amirbekov A. (lawest02)	2					5	5
43	who? (kind-offer)	1					5	5
44	Bejshenov (su3r3n)	2					4	5
45	Q (ala4ste)	1					ban	ban
46	Yalamuri H. (yala)	1					4	5
47	Syten'kij A. (ARX18)	2					3	5
48	Nesterova (ToTorRo)	1					3	5
49	Detskaya A. (detskaya)	1					3	5
50	Ivanov M.A. (Yokki)	2					4	4
51	Komyakovich A.V. (gootarman)	1					4	4
52	Bikbaeva D. (DinaRa14)	1					4	4
53	M (MrQzZza)	4					3	4
54	Uskov A. (atomic_ant)	1					3	4
55	Okolnikova (SofyaO)	1					3	4
56	Mikaya (Gio9248)	1					3	4
57	Zhukov N. (sariya_)	1					2	4
58	Mykhaniv (INNERMI)	1					2	4
59	Chepkasov V.A. (Chepkasov)	1					2	4
60	Lagutin D. (xiduku)	1					2	4
61	Bychkov S.A. (TeaInTheCup)	1					2	3
62	pppat (ferta)	1					ban	ban
63	Soboleva I.Yu. (Matreshka_)	1					ban	ban
64	Kovaleva Yu.K. (Kov@l')	1					2	3
65	Pushkarev S. (PSV_n)	1					2	3
66	Ivanov S.V. (Jikkkyy)	2					2	2
67	Rumyantsev A. (cryhavoc)	1					2	2
68	Mel'nichenko M.N. (krelloti13)	1					2	2
69	Chernyshov S. (Chernyshov2002)	2					1	2
70	Novikov S.V. (StepashkaRuiner)	2					1	2
71	zharova M.B. (malikkkk)	2					1	2
72	Pakhomov (play_boy_x)	2					ban	ban
73	Shapovalov A.I. (Eladan1989)	1					1	2
74	Rud (anna27_08)	1					1	2
75	Khusnutdinov D.D. (Abdulxamid)	1					1	2
76	Andreeva (TA2026)	1					1	2
77	Ajdaeva M.Sh. (marivanka)	1					1	2
78	Murat M. (murat_mukhammed)	1					1	2
79	Tret'yakov A. (Tolyas88)	1					1	2
80	korovka K. (kirkorovka)	1					1	2
81	Skuratov N.A. (Buly)	1					1	2
82	Berezovskaya D.V. (dashaeverafter)	2					1	1
83	Egorova M.Yu. (egorova.m.u.)	2					1	1
84	Borodina (Perunica33)	1					1	1
85	Zhivotenko N.I. (Kolya777.21)	1					1	1
86	Gadzhiev (nu3on)	1					1	1
87	Markizova A. (alice_denovna)	1					1	1
88	Manin V.V. (ManinVV)	1					1	1
89	ssl (compl4)	1					1	1
90	Kozyrev A.K. (Alexio Ramos)	1					1	1
91	Koptel'tsev V. (selber)	2
92	Abdulmanapov A. (Dvarik)	2
93	Ivanov I.I. (vlad91)	2
94	Zubchinskij (mrfrfr)	2
95	Ievleva (1himera)	2
96	Tsagareishvili A.A. (AlexCagareli_91)	2
97	Alekseev A.S. (Andser)	2
98	Odnokurtsev (AlFochino)	2
99	qq Q.Q. (stormxgod)	2
100	Rabdanova K.E. (hwq)	2					ban	ban
101	Anisimov I.A. (kefir67)	2
102	Babushkina E. (gstek32)	2
103	niko (lenovolog15)	2
104	Semenov D.-. (Dmitry.S.)	2
105	Maslennikov A.S. (Maslennikov.Anton)	2
106	Name N.N. (wefwef22)	2
107	Sokolov Ya.R. (per4ikyar)	2
108	Krasovskij E.A. (pegoopik)	1
109	Onosov A.P. (p1e.DT)	1
110	Kalmykov (Beryllium)	1
111	Sabo R. (unstracis)	1
112	Yakovenko V.V. (f-o-r-t-u-n-a-t-o)	1
113	Kulikov M. (MaximKZN)	1
114	M (Katrin2)	1
115	Kuzin G.I. (Gremlen)	1
116	Burakova N. (Tasha48)	1
117	Gitinomagomedov (gmansur88)	1
118	Malysheva K. (Scarlet_wind)	1
119	Zub (ikg_777)	1
120	Nurekenova A. (AvroraNevskaya)	1
121	Gorbatova (Triton512)	1
122	Voronov D. (Elnov.70)	1
123	Arkhipkin E. (khrist1989)	1
124	Baranov R. (Maestr011)	1
125	Men'schikov (Oneza)	1
126	Petrov P.P. (Pod123)	1
127	Kuritsyn V.N. (ValNick)	1
128	Mikemike (ain.mike)	1
129	Zhilan B.R. (God_is_Given)	1
130	Koshelev D. (Gizen)	1
131	grebenk I.V. (df12df1)	1
132	Gil' E.V. (Katherin)	1
133	Pavlovich A. (customer223)	1
134	Borisyuk (CupofTae)	1
135	Dzhumaliev A.S. (alex233454)	1
136	Wooster (Nick Bucklow)	1
137	Chajka M.O. (Antares678)	1
138	Brazhnikova L.A. (L47)	1
139	Kovalenko A.A. (Andrey86_)	1
140	Alekseev E.M. (Jinegve)	1
141	Keuzerov (PavelKeuzerov)	1
142	Timonin (skillUpQA)	1
143	Sarkis'yan G. (gennadi_s)	1
144	sss S.S. (Zlata Muhametdinova)	1					ban	ban
145	Kryzhanovskij N. (Nicky_FF)	1
146	Korobastov D.A. (Machina_1)	1
147	Skokov B.S. (leks$$)	1
148	Revenko M.A. (CptDisturbed)	1					ban	ban
149	Leonova V.O. (vi_lemon)	1
150	Zajtsev R.O. (zayrox)	1
151	Kashkovskij (kozulka)	1
152	241 4.1. (shiningsheep1)	1
153	R. (Wra1th)	1
154	Yakovlev (Dez46)	1
155	Malaschenko V.S. (__YaZheVika__)	1
156	Lysykh V.K. (Usilitel')	1
157	Serg (SergK72)	1
158	Z (Dolto)	1
159	Dashiev K.B. (kentaro22)	1
160	Plenina E. (bananchiki)	1
161	Tsarev (itsmot9)	1
162	Nazarov (Ilya_Nazarov)	1
163	Serik (Yernur37197)	1					ban	ban
164	Zajtseva (knopka1)	1
165	Zakharov (Ave_Asuka)	1
166	Lemas (Lemas)	1
167	Krapivina L. (epywabi)	1					ban	ban
168	Malafij D. (Dorarr)	1
169	Salamatov (Asali)	1
170	Frolov I.V. (Zevs pitbul')	1
171	Obukhov A.V. (Alex_71)	1
172	Lekomtsev (Teck-)	1
173	Yusubov I.N. (2Romych11)	1
174	Schegol' Yu. (JulyaSchegol)	1
175	Vasil'ev (GudiniMoonlight)	1
176	Lebedev E.A. (hardbit)	1
177	Biba N.V. (gipnogaba)	1
178	Novikov B.A. (slux)	1
179	smagulov (kaimak)	1
180	Bugaj E.A. (Izatevela)	1
181	Ganiyev A. (lernanto)	1
182	Petrov Y.A. (MedSamerrr)	1
183	Fernando R.M. (Rayani Fernando)	1
184	Petrukhin M.A. (DidicitDiscere)	1
185	Myrzabek N.K. (nurrrzat)	1
186	Tarelov A.V. (Alexander_2025)	1
187	Shamakov (Work_work)	1
188	Ziiangirova G. (Zi.Gulchachak)	1
189	Bullet I.I. (BulletIvan)	1
190	Gubin P.S. (Koroed_sql)	1
191	Usmonov E.S. (Efenti)	1
192	Chunin E. (Greedy_Gnome)	1
193	Beloborodova S.A. (belosofia)	1					ban	ban
194	Urvantseva D.D. (dasha.urvantseva)	1					ban	ban
195	Belyaeva (bel_kar)	1
196	Ivanov I.I. (g3k0)	1
197	Vetoshnikova E.S. (kate23_)	1
198	Viktorovich (justxd)	1
199	Dem'yanenko P.V. (Drugan174)	1
200	Fetisova D. (FDiana)	1
201	Ivanov (neon77)	1
202	Gantulga (Danna_g7)	1
203	Ungelmakht A.V. (Barta Linch)	1
204	Kuvshinov (Kuvshinka)	1
205	Frolyonok O.I. (cheburgen)	1
206	Simakova E.A. (Ekaterina_1984)	1
207	Baranov D.B. (asdsafasfasfasfasf)	1
208	Trejo J. (juanchokii)	1
209	Abduhamidov M. (marufwashere)	1
210	Ivanov Y. (enekeen)	1
211	Mikhajlovskaya A.S. (Angelina_Sergeevna)	1
212	Juraev A. (Abubakr_7)	1
213	K. A.V. (AlexanderK84)	1
214	Unregistered	30

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