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June 17, 14:17 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	Yakovlev (Dez46)	2			6	9
2	Pakhomov A.S. (pahomovas)	3					ban	ban
3	Taigarayev Y.K. (ZeroFGM)	1					15	24
4	T A.-. (anton-tt)	1					14	24
5	123 (dwafghzjkxhcjkzxcv)	1					15	20
6	Kovalev N. (Fantasyer)	2					11	19
7	Idrissov B. (Batokin)	2					15	18
8	Titov A.-. (ant_tt)	1					15	18
9	fayfva (ewras)	1					15	18
10	Katyutin D.E. (DenisKat)	1					15	18
11	nex (Nexkex)	1					13	16
12	Pankratova N.D. (Nadegda94)	1					9	16
13	Amirbekov A. (lawest02)	1					11	15
14	Koshel'nyj V.V. (d1abet1k)	1					9	15
15	Ostretsov M.A. (whatrac)	1					10	13
16	Shupanova G. (ShGulmira)	2					8	13
17	Shelekasov (Vasshell)	1					9	11
18	D (IlyaDukh)	3					8	11
19	Langlits (milkeyway)	1					8	11
20	Ivanov N. (nick8998)	1					7	11
21	Temirgali N.K. (NurTem)	1					8	10
22	Peredrij R.A. (ratikZ)	1					6	10
23	Ivanov (Vuh31)	1					7	9
24	Topilina E.V. (kat9i)	1					5	9
25	Emirov N. (breeze_)	1					5	9
26	Ksiks K. (Ksyuksiks)	1					5	8
27	zharova M.B. (malikkkk)	1					6	7
28	Abduhamidov M. (marufwashere)	1					6	7
29	Varyushin (Senior Bimbo)	1					6	7
30	Beloborodova S.A. (belosofia)	1					ban	ban
31	Okolnikova (SofyaO)	2					4	7
32	Churyukin A.S. (AChuryukin)	1					4	7
33	Sira (lookwudid)	1					4	6
34	Chajka M.O. (Antares678)	1					3	6
35	Pahadayeu A. (AndOffline)	1					3	6
36	L L.L. (lbrstq)	1					3	6
37	Khristyuk A.A. (NassKh)	2					5	5
38	Pak M.A. (AYomayo)	1					5	5
39	Gus A.M. (yu1kkken)	1					5	5
40	Lekomtsev (Teck-)	2					3	5
41	test (qwerty37892)	1					3	5
42	Krutyakov V. (kvadrator)	1					3	4
43	P (neke_paz)	1					2	4
44	Polyakova K. (ps_katerinka)	2					3	3
45	Lagutin D. (xiduku)	1					3	3
46	Serikkali B.A. (Beknur)	1					3	3
47	Scherbakov (chYwarY)	1					3	3
48	dYaTLOV G.D. (GoshaBillis56)	1					3	3
49	Gainullina A. (adelelyn)	1					3	3
50	Petrov I.I. (psixxxik)	1					3	3
51	Diaz de Leon D. (theonelostTaco)	2					2	3
52	Serdyuchenko E.Yu. (eserdyuchenko)	1					ban	ban
53	Kakulin A.A. (tema111)	1					2	3
54	Alekseev A.S. (Andser)	1					1	3
55	Egorova M.Yu. (egorova.m.u.)	2					2	2
56	Vlasova A. (Sova2009)	2					2	2
57	Ievleva (1himera)	1					2	2
58	Korkunova K.V. (shpilka_ml)	1					2	2
59	Zhukov N. (sariya_)	2					1	2
60	Kuz'mina E.V. (Fiction)	1					1	2
61	Yemelyanov (Paramon877)	1					1	2
62	Chulyukov N.V. (AzazeeL)	1					1	2
63	pppat (ferta)	1					ban	ban
64	Gizatulin V.S. (Vadim Gizatulin)	1					1	2
65	Schegol' Yu. (JulyaSchegol)	1					1	2
66	Tarnapovich (dormanion)	1					1	2
67	Il'in I.N. (Igor_Il)	1					1	2
68	Zaverin M.A. (nedo23)	1					1	2
69	Ungelmakht A.V. (Barta Linch)	1					1	2
70	Manin V.V. (ManinVV)	1					1	2
71	Gonzalez C. (Cathst91)	1					ban	ban
72	Trejo J. (juanchoki)	1					1	2
73	Babushkina E. (gstek32)	2					1	1
74	Gulamov A.A. (kek1111111111)	1					1	1
75	Prajs A.A. (Abort_Price)	1					1	1
76	K (Levanlomg)	1					1	1
77	Bystrov (zesadnezer)	1					1	1
78	Medyntseva M.E. (ManunaMed)	1					1	1
79	Sidorin T.A. (ZALLiRoG_XXX)	1					1	1
80	Zenkin I. (GoziNet)	1					1	1
81	Turuzbekova A.M. (Aylin120699)	1					1	1
82	Nope (ScreamingSeagull)	1					1	1
83	Chegesov A. (Bando_Gango)	1					1	1
84	Krapivina L. (epywabi)	3					ban	ban
85	Krasovskij E.A. (pegoopik)	2
86	Gitinomagomedov (gmansur88)	2
87	Kovalenko A.A. (Andrey86_)	2
88	Sarkis'yan G. (gennadi_s)	2
89	P I.*. (IrinaPetr)	2
90	Rabdanova K.E. (hwq)	2					ban	ban
91	Bazarzhapova N.A. (e39228)	2					ban	ban
92	Arshanov A.I. (Balzhima)	2					ban	ban
93	Tsytsykova A.D. (fhvhdchi)	2					ban	ban
94	niko (lenovolog15)	2
95	Tlegenov I. (tlegenovv)	2
96	Shegebaev A.P. (Alisher Pinov)	2
97	P{util S.A. (Savva228)	2
98	Maksimov E.V. (taurus9292)	2
99	Reshetnnikov (Kofanchik)	2
100	Korshunova I.A. (Korshunova Irina)	2
101	Makarov I.A. (_Bkmz_)	1
102	Shibaev (saah)	1
103	Zuev N.S. (CTALKEP)	1					ban	ban
104	Yakimov M.A. (yama)	1
105	Koptel'tsev V. (selber)	1
106	M (MrQzZza)	1
107	Ivanov (markkram)	1					ban	ban
108	Gorbunov M.S. (gms)	1
109	Skotnikova A. (sasha90)	1
110	Alavatskaya A. (Alavator)	1
111	Sabo R. (unstracis)	1
112	test (batdmitry)	1
113	Arutyunyan A.A. (ARTUR1100)	1
114	Malysheva K. (Scarlet_wind)	1
115	Bychkov S.A. (TeaInTheCup)	1
116	Knyazhev D.P. (keltyara)	1
117	Saverchenko V.A. (vova565)	1
118	Ivanov I.I. (vlad91)	1
119	Kiselev D.V. (Diman1422)	1
120	Belyakov D.B. (Belyakoff90)	1
121	TURYMTAY A.G. (AQARYS)	1					ban	ban
122	Rufov K.G. (rukogen)	1
123	Gradoboeva D. (DianaGradoboeva)	1
124	Vdovin S. (Rujan)	1
125	Wooster (Nick Bucklow)	1
126	Gritsina Ya. (grit6)	1
127	mamkin koder (mamkin koder)	1
128	T A. (Anju_sha)	1
129	Aro E.F. (Ekaterina Araud)	1					ban	ban
130	Pechkin R.E. (ZiRus)	1
131	Merkulov N. (fufik9)	1
132	Solomonov N.S. (Niko17)	1
133	Kryzhanovskij N. (Nicky_FF)	1
134	ss A.S. (SashaSS)	1
135	Ler (rrre)	1
136	zem V. (vit_363)	1
137	Zajtsev R.O. (zayrox)	1
138	241 4.1. (shiningsheep1)	1
139	Izhboldin (G3rm4n)	1
140	R. (Wra1th)	1
141	Rusakova A.A. (AllaR)	1					ban	ban
142	Kormilitsyn D.E. (migattenogokui)	1
143	Skibin V.V. (SQL_vvs)	1
144	Lysykh V.K. (Usilitel')	1
145	Khandetskaya A.Kh. (khandzetskaya)	1
146	Yastrebov D.D. (Yakimori)	1					ban	ban
147	Safronov P.A. (Paulus73)	1
148	Bayburin I.R. (iskanuz)	1
149	Demin D.S. (AvE3898)	1
150	Savin T. (jeffrey_epstein_1488)	1
151	Serik (Yernur37197)	1					ban	ban
152	Volkova E. (keke97)	1
153	Zakharov (Ave_Asuka)	1
154	Zhivotenko N.I. (Kolya777.21)	1
155	Zagorel'skij A.M. (Alexey_Zago)	1
156	Bal'zhinimaev K.A. (iqkdjos1)	1					ban	ban
157	Banzarov E.B. (buddha.)	1					ban	ban
158	Drygin D.D. (DanilDryg)	1					ban	ban
159	Ergonov A.G. (LexusLeha)	1					ban	ban
160	Tsydenzhapova Yu.B. (juliaTsy)	1					ban	ban
161	Antonov S.E. (AnSoE)	1
162	Kuzhuget S. (sailana)	1
163	Nedoborenko K.K. (K_Nedoborenko_64B)	1
164	Fedorov A.E. (Albertos_uwu)	1					ban	ban
165	rasokova (roitiuser1_)	1					ban	ban
166	Manujlova E.A. (LizaManuylova)	1
167	Z Y. (YERL)	1
168	Grakova (grakovka)	1
169	Detskaya A. (detskaya)	1
170	Vardanyan Zh.A. (z.vardi)	1
171	Ajdaeva M.Sh. (marivanka)	1
172	Petrukhin M.A. (DidicitDiscere)	1
173	Tarelov A.V. (Alexander_2025)	1
174	Nos Ya. (yana_nos)	1
175	Murat M. (murat_mukhammed)	1
176	Tyo V.E. (Miracle-)	1
177	Semenov D.-. (Dmitry.S.)	1
178	Badretdinov A.V. (remodus)	1
179	Spiridonova (speakviki)	1
180	Ivanov (neon77)	1
181	Averin A.R. (alverin1310)	1
182	Shajkhutdinov M.I. (mariobraza)	1
183	Pushkarev S. (PSV_n)	1
184	Pakhomov (play_boy_x)	1					ban	ban
185	Denisova A.A. (@DenNasttya)	1
186	Sokolov Ya.R. (per4ikyar)	1
187	Alekseev E.A. (Xbezy)	1
188	Krasotin I.Yu. (Ilya_Krasotin)	1
189	Kulikov I.E. (Memio)	1
190	Komissarova E.A. (guccigova)	1
191	Alieva L.F. (bictimirovaleila)	1
192	Pupkin (Black Ivory)	1
193	myakishev (lampo4kamyak2004)	1
194	Mingazutdinov A.-. (tema_289)	1
195	Tikhonova V.V. (lliieera)	1
196	Domashev M. (Domish)	1
197	Agametova B.K. (Agametova Bella)	1
198	Gamburtseva A.A. (ChehirKa)	1
199	sn N.S. (nikitkasg)	1
200	Sergey (Boma)	1
201	Zubakin N.Yu. (nightmoss2424)	1
202	Avkhadeeva A.R. (Malinka_tim)	1
203	dsmflsdf S.S. (pavel2324324)	1
204	Sidenko A.G. (AlekhandroSanches)	1
205	Unregistered	28

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