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June 11, 14:42 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	JJ J.J. (Legalize Nuclear Bombs)	1			5	10	10	13
2	Vakulko A.V. (VAlexandrV)	2			2	4
3	Shibaev (saah)	2	1	4		2
4	Skokov B.S. (leks$$)	1	1	34		2
5	ss A.S. (SashaSS)	1			2	2
6	Tokar' I.V. (Iriska25)	1			2	2
7	Smirnov S. (hr)	1	1	7		1
8	Gorbunov M.S. (gms)	1	1	51		1
9	Starkov A.V. (anstarko)	1	1	1		1
10	Zhagbaeva D.D. (odn-dami)	5					71	119
11	Bazarzhapova N.A. (e39228)	1					ban	ban
12	Mironov A. (tr302)	3					ban	ban
13	Tsytsykova A.D. (fhvhdchi)	6					ban	ban
14	Zhugdurov S. (Rozzenroz)	4					15	24
15	Kyrgys A.S. (jpgang88)	2					ban	ban
16	Tugdumov B.B. (Badara_01341)	4					15	20
17	Bazylev T.A. (timofeib777)	1					15	20
18	Fedorov A.E. (Albertos_uwu)	3					ban	ban
19	Kochegarov (AK_12)	1					ban	ban
20	Yanul N.B. (nazarbaevv)	2					15	18
21	tykva P. (soda)	3					11	17
22	Bazarov (violonchel)	3					10	13
23	Tudupova U.B. (uianna)	1					10	13
24	Tsyrenov A.B. (adam smith)	3					9	11
25	Beloborodova S.A. (belosofia)	2					ban	ban
26	Litvinov S.L. (stalll)	2					7	11
27	Mozhegov (Danila.M)	1					6	11
28	Ochirova V.B. (vlria)	1					6	11
29	Nesterova (ToTorRo)	1					7	10
30	Dem'yanenko P.V. (Drugan174)	1					7	9
31	Bashkirov V.Yu. (Go gora)	1					6	9
32	Nikonov (Enevir)	1					5	9
33	Samtonova Yu.A. (Lululupupu)	1					5	8
34	Gostev O.V. (K1oll)	1					6	7
35	Furs (ImperatorMeo)	2					4	6
36	Pryanichnikova (pryanyarar)	1					4	6
37	Daron (Daron_g)	1					4	6
38	Yushina Yu.K. (YuliyaYushina)	1					4	6
39	Zhukov N. (sariya_)	2					3	6
40	Spiridonova (speakviki)	2					3	6
41	Topilina E.V. (kat9i)	1					3	6
42	Seregin (sk15)	1					3	6
43	Slipko D.I. (Sketatel)	1					4	5
44	Purbuev B.Z. (PurbuevBulat)	2					3	5
45	Baytoor S. (Ethereal_ss)	1					3	5
46	Dusaev R. (Ramzan7arn)	2					4	4
47	Shashok (hallucination)	1					4	4
48	S M.I. (Unity_one_)	1					3	4
49	Mavchun A.V. (Nekit1324)	3					2	4
50	Serdyuchenko E.Yu. (eserdyuchenko)	1					ban	ban
51	Zakharov (svyyy)	1					2	4
52	Odintsov G.Y. (Jopix)	1					3	3
53	Pagin D.F. (paginxd)	1					2	3
54	Rybin (AlexRybchik)	1					ban	ban
55	sailor H.H. (honeysailor1\)	2					2	2
56	Pokhvalina D. (kubik_sql_kibuk)	1					2	2
57	Sidorin T.A. (ZALLiRoG_XXX)	6					1	2
58	D'yachenko (ddyachenko)	2					1	2
59	Katerushin V. (nokaveju)	2					1	2
60	Petrov P.P. (Pod123)	2					1	2
61	Alex A.A. (alexalex68t)	2					ban	ban
62	Shvajko A.V. (Anastasia Shwayko)	2					1	2
63	kham (kh4m1)	1					1	2
64	Tazetdinov R.S. (ridik_k)	1					1	2
65	K (Levanlomg)	1					1	2
66	Soboleva I.Yu. (Matreshka_)	1					ban	ban
67	Popov (Kuningas)	1					1	2
68	Pottery L. (KishKotenok)	1					1	2
69	Belyaeva (bel_kar)	1					1	2
70	Pyak Ya. (UchAch)	1					1	2
71	Vetoshnikova E.S. (kate23_)	4					1	1
72	Kuzhuget S. (sailana)	2					1	1
73	Murzataev E.A. (Rutoken)	2					1	1
74	solovev A.A. (otom4ik53)	1					1	1
75	Polly (Slaughterhouse5)	1					1	1
76	Il'in I.N. (Igor_Il)	1					1	1
77	s S.S. (Pukgf)	1					1	1
78	Efimov D.A. (Dimitrij94)	1					1	1
79	Petrov D.A. (Ast1mel)	6					ban	ban
80	Grachev A.V. (TheFlamingFoam)	5					ban	ban
81	Student (student-3.14)	4					ban	ban
82	Antonov S.E. (AnSoE)	4
83	Bal'zhinimaev K.A. (iqkdjos1)	3					ban	ban
84	Mankhirova S.N. (mayandso)	3					ban	ban
85	Tapdigov A. (emanat-1)	2
86	Sarkis'yan G. (gennadi_s)	2
87	Mazlov I.I. (Lucky Star)	2
88	Alekseev A.S. (Andser)	2
89	Odnokurtsev (AlFochino)	2
90	Namdakova S.Ts. (larakar0_0)	2					ban	ban
91	Zambalaeva M.V. (Maria642)	2
92	Turobov N.A. (Nikita134)	2
93	steklov (peter steklov)	2
94	Tskhao N.M. (caonimenma1)	2
95	Nazarov (Neislaw)	2
96	Tyo V.E. (Miracle-)	2
97	Varenikov D.M. (Dmitriy Varenikov)	1
98	Korenko A.V. (FanOfBeer)	1
99	Kurochkin P.A. (qwrqwr)	1
100	Krasovskij E.A. (pegoopik)	1
101	Koptel'tsev V. (selber)	1
102	Zhulevich V.A. (korob04ka)	1					ban	ban
103	Gil'dina E.D. (turala)	1
104	Abdulmanapov A. (Dvarik)	1
105	Petrov N.V. (Nick21)	1
106	Zaitsev A. (zakkenao)	1
107	Baranov (smthinthatcase)	1
108	Makar M. (Sphinks)	1
109	Pukhlyakov K. (kirill_p_73)	1
110	Voronov D. (Elnov.70)	1
111	Orlov A. (esterio)	1
112	1 (123000)	1
113	Filippov M.A. (HoneySailor)	1
114	Ivanov I.I. (vlad91)	1
115	Bermakhan D. (DauletBB)	1
116	Ivanov M.S. (Kamen')	1
117	Romanenkov (JoinBacardi)	1
118	Akimov A.V. (shaol1n)	1
119	Taras D.S. (Parit)	1
120	Leksina E. (leksekaterina)	1
121	Lazarev D. (Scrollcer)	1
122	Ganiullin A.M. (Zer7or)	1
123	Dossymbekuly I.I. (Iliyas22)	1
124	Chestyunin E.A. (Eugenezerg)	1
125	Wooster (Nick Bucklow)	1
126	Ivanov D.V. (Sam100)	1
127	Osipov (tek4to)	1
128	Shikov V. (Viktor_TG)	1
129	Demina I.O. (entropic)	1
130	Simonov V.A. (Vasilij84)	1
131	Atvalka N. (NadiOt)	1
132	Artyomov E.E. (Evgen1996)	1
133	fioletovaya (fioletovaya2)	1
134	Kosarskij I.A. (gusarskiy)	1					ban	ban
135	Khamuev (Tabooret)	1
136	Kozlov (Doller)	1					ban	ban
137	P I.*. (IrinaPetr)	1
138	A. (nsts12345)	1
139	H (foxis211)	1
140	Gutierrez D.R. (Albo8345)	1
141	R. (Wra1th)	1
142	Sergeev A. (f_train)	1
143	Rusakova A.A. (AllaR)	1					ban	ban
144	Korolev R.V. (zouker)	1
145	Berezovskaya D.V. (dashaeverafter)	1
146	Cheprasov A.A. (andruwa_01)	1
147	Afanas'ev V.A. (AVA_13)	1
148	Lysykh V.K. (Usilitel')	1
149	Ivanov (stlu2613)	1
150	Borodina (Perunica33)	1
151	Korgambekova A.K. (Ajzada27052000)	1					ban	ban
152	Boronbaev D. (senpaidias7)	1
153	Netu N.N. (zetsubo)	1
154	Safronov P.A. (Paulus73)	1
155	Ivanov I.I. (lalala11546)	1
156	Tuzov R.S. (Roman324452)	1
157	/ /./. (Fluflu)	1
158	Karimzhan N. (nomad_g)	1
159	asd A.A. (defiler__616)	1
160	Bayarov A.B. (AidarBv)	1					ban	ban
161	Rabdanova K.E. (hwq)	1					ban	ban
162	Tsydenzhapova Yu.B. (juliaTsy)	1					ban	ban
163	Tsyrendylykov A.A. (pulymup)	1					ban	ban
164	Krapivina L. (epywabi)	1					ban	ban
165	Gadzhiev (nu3on)	1
166	Bakh (Diffenbakhiya)	1
167	Popov M. (Underdog12)	1
168	Cherepanova A.R. (Alexandrina1.0)	1
169	Chernik A.S. (lisha1328)	1
170	Denisov M.D. (Makf_Luri)	1
171	Medvedeva Z.M. (medvedevazl)	1
172	Bogatyrev N.V. (BNV2873)	1					ban	ban
173	Avdyunina V.D. (Ruibing)	1
174	harundinum H.H. (harundinum)	1
175	Kekov N.M. (EtaKto)	1
176	Kontsevich K.P. (yamix)	1
177	Zinov'ev M.O. (maxim_zinovieff_2000)	1
178	Tyutyurikov E.A. (ewgtut_)	1
179	Skorіkov D. (devus)	1
180	S (n1pron)	1
181	Lyakh E.S. (goroshek)	1
182	Sobolev N.A. (NickolaySobolev)	1
183	Cheburekov Ch.Ch. (cheburek7778)	1
184	Dudkevich V.V. (CitrusBird)	1
185	Bogattsev A. (alexnikb)	1
186	Kal'naya D.R. (Daryaaa)	1					ban	ban
187	Elekueva L. (leilale)	1
188	Murat M. (murat_mukhammed)	1
189	Chunin E. (Greedy_Gnome)	1
190	Trofimova (ntrofy2026)	1
191	Okladnikov K.A. (Kirill25561)	1
192	test (qwerty37892)	1
193	Mikhail M.G. (MikhailOmsk)	1
194	skrynnikov A.N. ("aleks")	1
195	Stasilevich K.A. (user7777)	1
196	D V.G. (vovan_dr)	1
197	Golovina (rinaruina)	1
198	Maslennikov A.S. (Maslennikov.Anton)	1
199	Plesin V.E. (IamVikthor)	1
200	Egorova D.O. (daria egorova)	1
201	Tulub E.A. (eltul)	1
202	Marsov M.M. (Marsik08)	1
203	Ismajlova A.E. (Amina El'chinovna)	1
204	Novik P.V. (Pavelnvk)	1
205	Unregistered	36

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