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June 11, 17:02 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	2	5		3
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	Gostev O.V. (K1oll)	1					14	17
22	tykva P. (soda)	3					11	17
23	Nesterova (ToTorRo)	1					12	15
24	Yushina Yu.K. (YuliyaYushina)	1					10	15
25	Bazarov (violonchel)	3					10	13
26	Tudupova U.B. (uianna)	1					10	13
27	Tsyrenov A.B. (adam smith)	3					9	11
28	Pejganovich K.A. (kirillpeignovich)	1					8	11
29	Beloborodova S.A. (belosofia)	2					ban	ban
30	Litvinov S.L. (stalll)	2					7	11
31	Mozhegov (Danila.M)	1					6	11
32	Ochirova V.B. (vlria)	1					6	11
33	Kutlumbetov V.V. (vkutlumbetov13)	1					8	10
34	Serdyuchenko E.Yu. (eserdyuchenko)	2					ban	ban
35	Pukhlyakov K. (kirill_p_73)	1					7	9
36	Dem'yanenko P.V. (Drugan174)	1					7	9
37	Odintsov G.Y. (Jopix)	1					6	9
38	Bashkirov V.Yu. (Go gora)	1					6	9
39	Nikonov (Enevir)	1					5	9
40	harundinum H.H. (harundinum)	1					5	9
41	Medyntseva M.E. (ManunaMed)	1					7	8
42	Zhukov N. (sariya_)	2					5	8
43	Furs (ImperatorMeo)	2					5	8
44	Pagin D.F. (paginxd)	2					5	8
45	Samtonova Yu.A. (Lululupupu)	1					5	8
46	Mavchun A.V. (Nekit1324)	4					4	8
47	Pryanichnikova (pryanyarar)	2					5	7
48	Seregin (sk15)	2					4	7
49	S M.I. (Unity_one_)	2					4	6
50	Daron (Daron_g)	1					4	6
51	Spiridonova (speakviki)	2					3	6
52	Topilina E.V. (kat9i)	1					3	6
53	Rosinin M. (thebonkguy)	1					5	5
54	Romanova Y. (romansy)	1					5	5
55	Slipko D.I. (Sketatel)	1					4	5
56	Purbuev B.Z. (PurbuevBulat)	2					3	5
57	Baytoor S. (Ethereal_ss)	1					3	5
58	Dusaev R. (Ramzan7arn)	2					4	4
59	Shashok (hallucination)	1					4	4
60	Sidorin T.A. (ZALLiRoG_XXX)	6					2	4
61	K (Levanlomg)	2					2	4
62	Smolnikov (ViciousXerra)	1					2	4
63	Zakharov (svyyy)	1					2	4
64	Gafarov E. (El'chin)	1					3	3
65	Rybin (AlexRybchik)	1					ban	ban
66	Dunin S. (sqlsem)	1					2	3
67	sailor H.H. (honeysailor1\)	2					2	2
68	A A. (naravan)	1					2	2
69	Pokhvalina D. (kubik_sql_kibuk)	1					2	2
70	Safonov A. (aret123)	1					2	2
71	D'yachenko (ddyachenko)	2					1	2
72	Katerushin V. (nokaveju)	2					1	2
73	Petrov P.P. (Pod123)	2					1	2
74	Alex A.A. (alexalex68t)	2					ban	ban
75	Shvajko A.V. (Anastasia Shwayko)	2					1	2
76	test (qwerty37892)	2					1	2
77	Zubkov E.A. (Eduard111)	1					1	2
78	Berezovskaya D.V. (dashaeverafter)	1					1	2
79	kham (kh4m1)	1					1	2
80	asd A.A. (defiler__616)	1					1	2
81	Tazetdinov R.S. (ridik_k)	1					1	2
82	Soboleva I.Yu. (Matreshka_)	1					ban	ban
83	Popov (Kuningas)	1					1	2
84	Pottery L. (KishKotenok)	1					1	2
85	Belyaeva (bel_kar)	1					1	2
86	Pyak Ya. (UchAch)	1					1	2
87	Vetoshnikova E.S. (kate23_)	5					1	1
88	Kuzhuget S. (sailana)	2					1	1
89	Murzataev E.A. (Rutoken)	2					1	1
90	Filippova (verve)	1					1	1
91	Minigaliev A.F. (Askarikus)	1					1	1
92	solovev A.A. (otom4ik53)	1					1	1
93	Polly (Slaughterhouse5)	1					1	1
94	Borodina (Perunica33)	1					1	1
95	Il'in I.N. (Igor_Il)	1					1	1
96	Busina D. (Dar'ya N)	1					1	1
97	s S.S. (Pukgf)	1					1	1
98	Tyurin I. (CryOsip)	1					1	1
99	Efimov D.A. (Dimitrij94)	1					1	1
100	Petrov D.A. (Ast1mel)	7					ban	ban
101	Dumcheva O. (OlgaSQL)	5					ban	ban
102	Grachev A.V. (TheFlamingFoam)	5					ban	ban
103	Student (student-3.14)	4					ban	ban
104	Antonov S.E. (AnSoE)	4
105	Tapdigov A. (emanat-1)	3
106	Sarkis'yan G. (gennadi_s)	3
107	Bal'zhinimaev K.A. (iqkdjos1)	3					ban	ban
108	Mankhirova S.N. (mayandso)	3					ban	ban
109	qqqqqd (dddddd)	2
110	Petrov M.K. (Gerr Kartoshechka)	2
111	1 (123000)	2
112	Sokolov (zelenogrodov)	2
113	Mazlov I.I. (Lucky Star)	2
114	Alekseev A.S. (Andser)	2
115	Odnokurtsev (AlFochino)	2
116	Rabdanova K.E. (hwq)	2					ban	ban
117	Namdakova S.Ts. (larakar0_0)	2					ban	ban
118	Zambalaeva M.V. (Maria642)	2
119	Turobov N.A. (Nikita134)	2
120	steklov (peter steklov)	2
121	Tskhao N.M. (caonimenma1)	2
122	Nazarov (Neislaw)	2
123	Tyo V.E. (Miracle-)	2
124	Tulub E.A. (eltul)	2
125	Varenikov D.M. (Dmitriy Varenikov)	1
126	Korenko A.V. (FanOfBeer)	1
127	Vyazovetskov A.S. (alex_v)	1
128	Kurochkin P.A. (qwrqwr)	1
129	Krasovskij E.A. (pegoopik)	1
130	Koptel'tsev V. (selber)	1
131	Zhulevich V.A. (korob04ka)	1					ban	ban
132	Gil'dina E.D. (turala)	1
133	Abdulmanapov A. (Dvarik)	1
134	Petrov N.V. (Nick21)	1
135	Zaitsev A. (zakkenao)	1
136	Antropov A. (a.warpig)	1
137	Baranov (smthinthatcase)	1
138	Makar M. (Sphinks)	1
139	Voronov D. (Elnov.70)	1
140	Orlov A. (esterio)	1
141	Filippov M.A. (HoneySailor)	1
142	Ivanov I.I. (vlad91)	1
143	Bermakhan D. (DauletBB)	1
144	Ivanov M.S. (Kamen')	1
145	Romanenkov (JoinBacardi)	1
146	Akimov A.V. (shaol1n)	1
147	Taras D.S. (Parit)	1
148	Kobenov E. (KEZ758)	1
149	Leksina E. (leksekaterina)	1
150	Lazarev D. (Scrollcer)	1
151	Rompanen (ivanRom)	1
152	Ganiullin A.M. (Zer7or)	1
153	Dossymbekuly I.I. (Iliyas22)	1
154	Chestyunin E.A. (Eugenezerg)	1
155	Wooster (Nick Bucklow)	1
156	Ivanov D.V. (Sam100)	1
157	Kozha (araisan)	1
158	Osipov (tek4to)	1
159	Shikov V. (Viktor_TG)	1
160	Demina I.O. (entropic)	1
161	Simonov V.A. (Vasilij84)	1
162	Atvalka N. (NadiOt)	1
163	Artyomov E.E. (Evgen1996)	1
164	fioletovaya (fioletovaya2)	1
165	Mozheitov M.A. (mozheitov_matvey)	1					ban	ban
166	Kosarskij I.A. (gusarskiy)	1					ban	ban
167	Khamuev (Tabooret)	1
168	Pavlov I.D. (___ILYA___)	1
169	Kozlov (Doller)	1					ban	ban
170	Tsigel'nik (just_verba)	1
171	P I.*. (IrinaPetr)	1
172	A. (nsts12345)	1
173	H (foxis211)	1
174	Gutierrez D.R. (Albo8345)	1
175	R. (Wra1th)	1
176	Sergeev A. (f_train)	1
177	Rusakova A.A. (AllaR)	1					ban	ban
178	Korolev R.V. (zouker)	1
179	Sokolov E. (jabbyxatta)	1
180	Cheprasov A.A. (andruwa_01)	1
181	Burenkov O.G. (Duncans Soffee)	1
182	Komov S.M. (Komov S. M.)	1
183	Afanas'ev V.A. (AVA_13)	1
184	Lysykh V.K. (Usilitel')	1
185	Ivanov (stlu2613)	1
186	Korgambekova A.K. (Ajzada27052000)	1					ban	ban
187	Boronbaev D. (senpaidias7)	1
188	Netu N.N. (zetsubo)	1
189	Safronov P.A. (Paulus73)	1
190	Ivanov I.I. (lalala11546)	1
191	Tuzov R.S. (Roman324452)	1
192	/ /./. (Fluflu)	1
193	Karimzhan N. (nomad_g)	1
194	Bayarov A.B. (AidarBv)	1					ban	ban
195	Drygin D.D. (DanilDryg)	1					ban	ban
196	Tsydenzhapova Yu.B. (juliaTsy)	1					ban	ban
197	Tsyrendylykov A.A. (pulymup)	1					ban	ban
198	Krapivina L. (epywabi)	1					ban	ban
199	Gadzhiev (nu3on)	1
200	Bakh (Diffenbakhiya)	1
201	Popov M. (Underdog12)	1
202	Cherepanova A.R. (Alexandrina1.0)	1
203	Chernik A.S. (lisha1328)	1
204	Sergeev I.A. (skorodum)	1
205	Denisov M.D. (Makf_Luri)	1
206	Medvedeva Z.M. (medvedevazl)	1
207	Bogatyrev N.V. (BNV2873)	1					ban	ban
208	Avdyunina V.D. (Ruibing)	1
209	Kekov N.M. (EtaKto)	1
210	Yakovinich V.S. (LilKidKadi)	1
211	Kontsevich K.P. (yamix)	1
212	Zinov'ev M.O. (maxim_zinovieff_2000)	1
213	Tyutyurikov E.A. (ewgtut_)	1
214	Starovojtova A.O. (Norboton)	1
215	Ponomarev A.A. (Sanches123)	1
216	Skorіkov D. (devus)	1
217	Skudnev B.K. (bogdsk)	1
218	S (n1pron)	1
219	Kutyavina A. (Anzhelika03)	1
220	Lyakh E.S. (goroshek)	1
221	Sobolev N.A. (NickolaySobolev)	1
222	Cheburekov Ch.Ch. (cheburek7778)	1
223	Dudkevich V.V. (CitrusBird)	1
224	Bogattsev A. (alexnikb)	1
225	Kal'naya D.R. (Daryaaa)	1					ban	ban
226	Elekueva L. (leilale)	1
227	Murat M. (murat_mukhammed)	1
228	Chunin E. (Greedy_Gnome)	1
229	niko (lenovolog15)	1
230	Trofimova (ntrofy2026)	1
231	Okladnikov K.A. (Kirill25561)	1
232	korovka K. (kirkorovka)	1
233	Mikhail M.G. (MikhailOmsk)	1
234	skrynnikov A.N. ("aleks")	1
235	Stasilevich K.A. (user7777)	1
236	Petrov P.P. (petr_testik1)	1
237	D V.G. (vovan_dr)	1
238	Golovina (rinaruina)	1
239	Maslennikov A.S. (Maslennikov.Anton)	1
240	Plesin V.E. (IamVikthor)	1
241	Egorova D.O. (daria egorova)	1
242	Marsov M.M. (Marsik08)	1
243	Ismajlova A.E. (Amina El'chinovna)	1
244	Novik P.V. (Pavelnvk)	1
245	Samoilova D.V. (dashinoid18)	1
246	Fedorov (kukuruznik31)	1
247	Chekanov K.K. (Kirill1999)	1
248	Unregistered	44

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