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September 04, 15:37 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	Shibaev (saah)	2	1	71		3
2	Tsybin A.V. (magicdragon)	1	1	38	1	3
3	Hughes (SindbadTheSailor)	1			2	2	3	3
4	Romanchenko (Polros)	1			1	1	7	8
5	Leont'evskij D.Yu. (Denis__20)	1					12	20
6	Hristov M. (milenHH)	1					11	19
7	Ayzenberg (jase204)	1					11	18
8	Kiselev A. (kmoku_)	1					11	14
9	Bobin (wenzeljarvinen)	1					11	14
10	Smoleva (Smoleva.ns)	2					10	13
11	Bodyagina E. (lisa_b)	2					10	13
12	BIRYuKOVA E.A. (Liza22.04)	1					10	13
13	Ozolin (ArturOz)	1					10	13
14	Anikanova A.A. (algaaa)	1					10	13
15	Faradzhov (Aslan Farad)	1					10	13
16	Golodnyuk S. (semeen)	1					10	13
17	Dubov M.M. (mishadubov)	2					9	12
18	Penyaz' A.S. (Nastikit)	1					7	12
19	Artemev L. (Leonid S.)	3					8	11
20	Orlova E.K. (Liza_a)	1					8	11
21	Surname (Void_107)	1					ban	ban
22	Garmaeva (xveiwayy)	1					8	9
23	P I. (yosoo)	1					8	9
24	emkotikov (emkotikov)	1					8	9
25	doronina (lisa_roerich)	3					7	9
26	ganiev M.Kh. (kiseyama66)	1					7	9
27	Kazekage (Temari)	1					7	9
28	DMRITsD (TheCupOfMagic)	2					6	9
29	Kozitskij V.S. (podguZZZnik)	2					5	9
30	Kuz'menko (ma0kuz)	1					5	9
31	Kholmatov (Monserado)	3					6	7
32	Vajsberg G. (gvaisberg)	1					6	7
33	cool C. (spex)	1					6	7
34	oorzhak A.E. (oorzhak)	1					4	7
35	Levin Yu.A. (pdestroyer)	1					4	7
36	Koala2 (Koala2)	1					4	7
37	Mal'tsev V.A. (Viktorus2018)	1					4	7
38	Tubshinova N.R. (Tubshinova Nayana 01241)	1					ban	ban
39	ArsenalVItek V.V. (ArsenalVItekLOL)	2					4	6
40	Balduev D.G. (Dorgo)	1					3	6
41	Tsygel'nyj K. (tsyga12)	1					3	6
42	Nikul'shin (RRR_T)	2					5	5
43	Volik S.V. (volks&s)	2					5	5
44	Sycheva (elya11)	1					5	5
45	Gornostaev A.A. (alex2007gor)	1					5	5
46	Grigoryanov (georgegrigoran)	1					5	5
47	Kozlova E. (da_budet_tak)	2					3	5
48	Zakharov V. (Aftornett)	1					3	5
49	Minin A.A. (Artur_1111)	1					3	5
50	Tregub (Dmima)	1					3	5
51	Bespalov V. (vespall)	2					4	4
52	Gotova (ANYAlny_demon)	2					4	4
53	Arutyunov (BilRetak)	1					4	4
54	Sychyov Yu.S. (Mrak.krd)	1					4	4
55	Khakhulina E.V. (Akulina)	1					3	4
56	Komissarov E. (Lalafa1)	3					2	4
57	Konogorskij L.E. (konogorsky Leo)	1					2	4
58	Korolev R.V. (zouker)	1					2	4
59	Shakhova M. (maydaymeow)	1					2	4
60	Sobachkin A.F. (Al_Wolf)	1					2	4
61	Eliseeva O.S. (wspw777)	1					2	4
62	Il'in S.A. (PutinagWan)	1					3	3
63	Siyatskov (0_om)	1					3	3
64	abdullin (damirabdullin)	1					3	3
65	Din D. (DinDjarin)	1					2	3
66	Dut O.A. (olga_dm_d)	1					2	3
67	Petsgol'dt P.K. (Pavel1PK)	1					2	3
68	Vydysh P.V. (vydysh.pavel)	2					2	2
69	Fominykh (143)	2					2	2
70	A V.V. (Aver999)	1					2	2
71	Romanov (PirateCat)	1					1	2
72	Guseinov A. (Ali_G)	1					1	2
73	Gr D. (Demon_gr)	1					1	2
74	Norov P.M. (RoMario28!)	1					1	2
75	Kupaev A.V. (Weme)	1					ban	ban
76	Orlov G.K. (grsc)	1					1	2
77	Beletskaya K.S. (Beletskaya Kseniya)	1					1	2
78	Khal'zova (halzovaksenia)	1					1	2
79	Lyakh (LinaL_)	1					1	2
80	Basova (Marie_Mikey)	1					1	2
81	Akbarov M.S. (mirakhmad)	1					1	2
82	Gimadeeva A.A. (AjsyluG)	1					1	2
83	Mironova (YuliMir)	3					1	1
84	Fakhretdinov I.I. (Ildarushka1)	1					1	1
85	Aubakirov R.G. (Rakha)	1					1	1
86	Il'ya S.A. (Iceee)	1					1	1
87	sadullayew H.S. (hayrulla)	1					1	1
88	a A.A. (rdctfvygbuhjnk)	1					1	1
89	Trifonova A.M. (AsSash)	1					1	1
90	Kashkov S.M. (kashkovvv)	1					1	1
91	Kozachek N.S. (@NikolasIoSif)	1					1	1
92	VALIEVA E.R. (evavalieva06)	1					1	1
93	Poplavskiy A.D. (distress)	1					1	1
94	Leshchenko M. (mike4216)	1					1	1
95	Hakimov R.I. (sCandal)	3
96	Kurochkin P.A. (qwrqwr)	2
97	Krasovskij E.A. (pegoopik)	2
98	Koptel'tsev V. (selber)	2
99	Nagovitsin E.V. (bakawolf)	2
100	exceed 9. (exceed)	2
101	Prosvirin A.S. (Roppe)	2
102	Khokhlov (TermiDD81)	2
103	Manatov I.A. (igrus)	2
104	Krasnov A.A. (Nutr1k)	2
105	Mironenko O. (Ol'ga Miro)	2
106	Bogatyrev N.V. (BNV2873)	2					ban	ban
107	Kovalyov O.A. (OK_wwz)	2
108	Rushanyan A. (sasik1984)	2
109	Lyashenko A. (aalyashenk)	2
110	Araslanova A.R. (SingnSong)	2
111	Ivanov (Geometria)	1
112	Pasnichenko I.S. (ilya.pasnichenko)	1
113	Kryuchkov P.S. (S69hdkkrk)	1
114	Korolev D. (Diark)	1
115	Kolomentsov A.M. (Kolomentsov)	1
116	Bogomolov I.V. (thebird)	1
117	Ivanova O.N. (olga_ivanova)	1
118	Komarov A.N. (Shveda Saulya)	1
119	Tuktibay B.M. (BalzhikTuktibay)	1
120	eqweasdd (alexa123123gth)	1
121	Ivanov I.I. (tupica1)	1
122	Leschenko (Verochka_21)	1
123	Ruleva A. (ar_ar)	1
124	Tonanajskij B.D. (psynapse)	1
125	Borodin R.S. (Noob_Master777)	1
126	alex Q.C. (testtest235)	1
127	Pomerantsev (Barbon)	1					ban	ban
128	Veselov O.S. (Ollllleg)	1
129	Fedorova E.A. (Juusca)	1
130	versaci (verse001)	1
131	Stepanov V.S. (luc1o)	1
132	Ananasov A.N. (Andromeda23)	1
133	Stepanchikov I.A. (astericsIA)	1					ban	ban
134	Murych (Soff2222)	1
135	Nuradinov U. (urasan)	1
136	Sultanayeva (Lowlights)	1
137	Zakiev Z. (raovaoldyv)	1
138	Sarkis'yan G. (gennadi_s)	1
139	Khamuev (Tabooret)	1					ban	ban
140	Beketov (dimabima)	1
141	Klochkov S. (Klochkov Sergey)	1
142	Khalzanov D.Ch. (Khalzanov_Dmtry)	1
143	Skokov B.S. (leks$$)	1
144	Pavlov I.A. (WhiteCat110)	1					ban	ban
145	Perelygin M. (PYMaks)	1
146	Korotkikh (max_ko)	1
147	Korolyov V.V. (CHOTKIY)	1
148	R. (Wra1th)	1
149	Chetverukhina V.D. (reindeer121VC)	1
150	Skibin V.V. (SQL_vvs)	1
151	Lysykh V.K. (Usilitel')	1
152	Akameeva S.V. (SVA1)	1
153	Uluntseva E.D. (lenaulun)	1
154	Konovalov D.D. (l0suh)	1
155	Nazarov (chekhyr)	1
156	Tkacheva K.A. (krissttik)	1					ban	ban
157	Tsytsykova A.D. (fhvhdchi)	1					ban	ban
158	Kuzhuget S. (sailana)	1
159	Tugdumov B.B. (Badara_01341)	1
160	Naletov D.V. (wwlk123)	1
161	Stikentzin D. (Aliandr)	1
162	Ilina N. (lkjahfjkseb)	1
163	Vasil'ev (GudiniMoonlight)	1
164	Milyaeva K. (MadamSengo)	1
165	Val'degrejv G. (Anon21)	1
166	Zakharov (svyyy)	1					ban	ban
167	Kurakin (billir)	1
168	Burtonov A.V. (tak to)	1					ban	ban
169	Berseneva T.M. (Bersa_3785)	1
170	Shil'chenkov M.A. (msmshilchenkov)	1
171	Kuznetsov (Serg0Moiseich)	1
172	edmond2 (edmond2)	1
173	Kutsov M.V. (vojda1711)	1
174	Avdeeva D.A. (daryaayrad)	1
175	ke1pie I. (kelpie2013)	1
176	Sidorov D.V. (abdfe)	1
177	Ivanov R.A. (RoGad)	1
178	Kukhmistrova E.S. (13Kate28)	1
179	New R.G. (newLogin)	1
180	Shapiro D. (xx_Da_Sha_xx)	1
181	Nesterov D.A. (saha909)	1
182	Shtumpf A. (shtumpf)	1					ban	ban
183	Korolenko K.A. (Xenxen3011)	1
184	Zakirko I.V. (Zakirko)	1
185	Kajlachakov M. (MikeKyle)	1
186	Dv (prostorus)	1
187	Churilov O.E. (HocokTopok)	1
188	Krutikov M.V. (KrutikovMV)	1
189	warriorov (happywarrior741)	1
190	Burchik M.D. (Matvei-me)	1
191	Gerasimova A.I. (stasya30)	1
192	Biryukova O.V. (volesya)	1
193	pk M.L. (alealy2505)	1
194	Msh P.L. (MshPlnLz)	1
195	Burovnikova (Ekaterina_YB)	1
196	Kor P. (pahtrey)	1
197	holo (holocron)	1
198	kushnir I. (dreamersql)	1
199	KORGACHEVA E. (el_korgach)	1
200	Bharath (Nihhaal)	1
201	Unregistered	34

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