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February 27, 12:17 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	Grishina A.V. (NastyaMT)	2			15	17
2	Blyudenov D.D. (Daniil_OOR)	1			8	13
3	Daudova A. (AmiraA)	2			10	11	5	8
4	Mitin S.S. (nxrtxn)	3			6	9
5	Grishin P.D. (z1xis)	1			2	4
6	Odnokurtsev (AlFochino)	1	1	33		2
7	Nov I. (indels)	1			2	2	ban	ban
8	Novikov P.A. (PNA921)	1			1	1
9	Baktyoraz D. (Dastan Baktyoraz)	1					15	27
10	N G. (Giri747)	2					15	26
11	M G.R. (ganesh_clg)	2					ban	ban
12	BS A. (Ajay2402)	1					15	26
13	Starchenko A. (Anton Starchenko)	2					ban	ban
14	Orynbassar D.B. (Daukalab)	1					15	25
15	Rakhymzhan I. (Iliyas0005)	1					15	25
16	Khairikhan S.-. (parz1vAl)	3					14	25
17	Mane G.R. (ganesh_m)	1					ban	ban
18	Safaralieva U.N. (queenss)	2					15	23
19	Kuandykov B.D. (beksa)	2					ban	ban
20	Mane G.R. (ganehs_pc)	2					ban	ban
21	Korchyomkin D.A. (fowpz)	1					15	23
22	Kakharman D. (Kakharman1)	2					14	23
23	Atashkhoja A.K. (Khan_38013)	2					14	22
24	M G. (mane_1)	2					13	20
25	xie (hangrywombat)	1					13	18
26	hj (dfssss)	1					ban	ban
27	Bekkuzhin A. (Alizhan1337228)	3					ban	ban
28	K (valery_367218956324)	1					11	15
29	Starchenko A. (anton11o)	1					ban	ban
30	Manankov D. (Daniel_Kov)	2					8	15
31	Abdigali N.A. (Abdigali_Nurmuhamed)	1					7	14
32	Kukharchuk N. (Nikita Kuharchuk)	1					10	13
33	Makarov S.S. (sleepie)	1					10	13
34	Rafikov G.K. (gog110)	1					9	12
35	Mamutov (meridian99)	1					7	12
36	Prokof'ev A.O. (Artem123414)	1					7	12
37	Khamuev (Tabooret)	1					11	11
38	Amankulov A. (Kakharman)	5					6	11
39	Waseem M. (YOUSUF_12)	1					ban	ban
40	Bakal'skaya E.D. (Elina Kallin)	1					6	10
41	Tubshinova N.R. (Tubshinova Nayana 01241)	2					8	9
42	ganiev M.Kh. (kiseyama66)	1					7	9
43	rikimx (psxp)	1					5	9
44	Mishin E.P. (zpendik)	1					4	8
45	Balduev D.G. (Dorgo)	1					4	8
46	Naletov D.V. (wwlk123)	2					6	7
47	Petr M. (Urium)	1					6	7
48	Byckov D. (uRl1k)	1					6	7
49	Khamdamova (aika888)	1					6	7
50	Kakahin (kakahin)	1					6	7
51	Kachalov Z.A. (love_kach)	1					5	7
52	Sidorov A.V. (Artemii_sid)	1					4	7
53	Buga (stren)	1					5	6
54	reznik Y.A. (yurao)	1					4	6
55	Serik (Yernur37197)	4					ban	ban
56	Novikov N.D. (nikitosikss)	1					3	6
57	Peregudova (tanja32)	2					5	5
58	Garmaeva (xveiwayy)	1					5	5
59	Siyanko D.S. (Danil Siaynko)	1					3	5
60	D'yakonov D.V. (DmitryDyakonov25)	1					3	5
61	Nikolaev (iXa1Or)	1					3	5
62	Kupriyanova Y.D. (grenk)	1					4	4
63	Bondarev M.P. (mcheats)	1					3	4
64	Goginov G.V. (k0n4al)	1					3	4
65	Lazarev D.D. (Lazarev)	1					3	4
66	Ivaschenko V.V. (Golandec676)	1					2	4
67	Kostin S. (Serg10_88)	1					2	4
68	Chumin M. (MaximusPrime)	1					2	4
69	Avdeeva M. (MarieCat45)	1					2	4
70	Petrova (petrovadv)	1					2	4
71	Shumilin V.A. (N0t1ce)	1					2	4
72	123 1.1. (raddan)	1					2	4
73	Varel'dzhyan V.V. (viktoriyav)	1					2	4
74	Potapova V.A. (malespero)	1					3	3
75	Khaliman M.V. (HellMike)	1					3	3
76	Smirnov V.V. (Sylvodor)	1					3	3
77	Akmyrza M.T. (mereyakmyrza)	1					3	3
78	Korshunov P.A. (jinj0)	1					3	3
79	Bykov V. (Skotic)	1					2	3
80	Andreev M.Yu. (Asaru888)	1					ban	ban
81	Ilyakhin M.A. (Max Ilyakhin)	1					2	3
82	Ogorodnikov D.A. (TanatosX)	1					2	3
83	Sokol (sqlenj)	1					2	3
84	Yadigarov R.A. (Alfa330)	2					2	2
85	Shvetsov D.Sh. (DanechekSw)	2					2	2
86	Believ (berkeley)	2					2	2
87	Grozovskij F.M. (fgrozovskiy)	1					2	2
88	Shibaev (saah)	1					1	2
89	Shutov S. (SkiZzo)	1					1	2
90	P N.V. (Kolianio)	1					ban	ban
91	Zhamshit M. (mns2026)	1					ban	ban
92	Galay A. (ivgam)	1					1	2
93	Can (svetonik)	1					1	2
94	Mach (Vit.1987111)	1					1	2
95	dollycons (con99009)	1					1	2
96	Monte-Cristo G. (Danikk)	1					1	2
97	Shevchenko T.S. (JlwxdQueen)	1					1	2
98	Kondrashova N.E. (Natalia24111983)	2					1	1
99	Mullayanov Z.R. (ZinurHaise)	2					1	1
100	Prokopovich V.V. (CAPATYCH)	2					1	1
101	Zav S. (shadeZSU)	2					1	1
102	Rabinovich (RED_BARON)	1					1	1
103	Gorbunkov M.S. (gms)	1					1	1
104	Salikhov R. (Rustam_S)	1					1	1
105	Selokar A.R. (Anjali0307)	1					1	1
106	Revazashvili M. (m_revazashvili)	1					1	1
107	Shkoda A.R. (artur2005)	1					1	1
108	Andromedov (Andromeda12)	1					1	1
109	ne (fellawL)	1					1	1
110	Ivanov I.I. (pasta123!@#)	1					1	1
111	Kalinin (Anton168)	1					1	1
112	Konratov S.K. (Zinur)	5
113	Zhuanys M. (YessGo)	5					ban	ban
114	Sairanbek D. . (sairanbek_darkhan)	3
115	Bakhytzhanuly A. (Dabyl)	3
116	Shamgunova T.Sh. (Neil19.01)	3
117	Loginova (Lerix199313)	3
118	Koptel'tsev V. (selber)	2
119	Nikol'skij I.Yu. (igoryun)	2
120	Aleksandrov (Archi146)	2
121	fioletovaya (fioletovaya2)	2
122	Sarkis'yan G. (gennadi_s)	2
123	Romanov V.A. (vrinc)	2
124	Ivanov (userTest1)	2
125	Zmushko O.A. (OlyaZmushko)	2
126	Fan (F.Artyom)	2
127	Bulatova A.A. (ayabul)	2
128	Kozmet E.E. (Era12322)	2
129	Nechaeva O.A. (Nechaeva Olga)	1
130	Polyakov V.M. (rock_4)	1
131	Kaldin D. (skypiece)	1
132	Shatunov (Tapac174)	1
133	Tsikhelishvili S. (tushi22)	1					ban	ban
134	Mamedov (gidMAD)	1
135	Ridnyj V.K. (veta00001111)	1					ban	ban
136	Petrov N.V. (Nick21)	1
137	Rusyan (Dimitry23)	1					ban	ban
138	Grishina T. (Tatyana Grishina)	1					ban	ban
139	Sharipov V.V. (valekxapek)	1
140	Poryadkov I. (nvaI)	1
141	Sherstobitov (MishaPesh)	1
142	Kopanev R. (RodionKopanev)	1
143	Kholodnov E.V. (Kholodnovev)	1
144	Kostyuk A.I. (Drant)	1
145	M D. (Sined_m)	1
146	Averanov (averyanovivan)	1
147	Efremov (klipoff)	1					ban	ban
148	karabasova G. (url)	1					ban	ban
149	Shorokhova (luntik666)	1
150	Bazaron I.V. (ibazig)	1
151	Krivonogov E.S. (e_s_krivonogov)	1
152	Koreshkov D. (BetterButer)	1
153	Karnachev S.L. (mrSergei)	1
154	Akramov (Artem123321456)	1
155	Biryukova N.R. (Nazilya)	1
156	Gusejnova A.P. (AylinGP)	1
157	Shtukin I.V. (khvrzv)	1
158	Bogolyub I.S. (Iulianiya)	1
159	Gurashkin K. (Crocko)	1
160	Komarov A.K. (Arkolotu)	1
161	antohhin (antohhin)	1
162	Kamkina A.L. (sqrtlsk)	1
163	Chragyan K.Zh. (KRISTINA190120)	1
164	Zolotukhin G.A. (hlebySQL)	1
165	Aniskovich E. (evgeniyaniskovich)	1
166	P I.*. (IrinaPetr)	1
167	Novikov S.V. (@Ser589QA)	1
168	Nesterenko A.A. (therealsh1)	1
169	Sabanova (diana1989)	1
170	Nikolaev A.N. (n1kolaevs)	1
171	R. (Wra1th)	1
172	Belskiy V. (Gambit87)	1
173	Martynov A.A. (AlexMartynov2025)	1					ban	ban
174	Dimitrov V.M. (vencid)	1
175	Korobinskaya (1110Viktoriya)	1
176	Lysykh V.K. (Usilitel')	1
177	Korgambekova A.K. (Ajzada27052000)	1					ban	ban
178	Pomorev A.S. (morever)	1
179	Nagernyuk E.A. (GoodVudu)	1
180	Afanevich E. (Ketra)	1
181	Martinchik A.A. (angielyusha)	1
182	Marchuk K.G. (marchukkirill)	1
183	Aga M.A. (mirkoo)	1
184	Ne Ya.N. (Yarich)	1
185	Lebedev V. (Lebedev_VV)	1
186	Security B.C. (Bhuvesh Cyber)	1
187	Vishnya Yu. (Oswaj58)	1
188	Petukhov D. (DmitryData)	1
189	Shcherbakova (Katou)	1
190	Malakhov (dimmal)	1					ban	ban
191	Leonov D.V. (xannnnn)	1
192	Bydantsev A.V. (Nova10)	1
193	Kudimov A. (Artem.K)	1
194	Abdr N. (abdr)	1
195	Nanava D.B. (1ucky_Num83r_13)	1					ban	ban
196	Murat (meiram05)	1					ban	ban
197	Zeinolla M. (Marzhan2106)	1
198	Kirgizbanva A. (Adina)	1					ban	ban
199	Aisabakiev K.R. (A1sky)	1
200	Shmelkov M. (Maxi9mK3a)	1
201	Khmurov V. (vladkhmurov)	1
202	Fedyayeva A. (Adellele)	1
203	Bachurin V.V. (Englman)	1
204	Sejpish N.A. (Nonanurs)	1
205	Moldash A. (elelola)	1
206	Rysbayev R. (RysbayevR)	1
207	Dalabayeva K. (kaamixxt)	1
208	Targyn M.A. (M4N_T4)	1
209	Goldobin E.G. (prm259)	1
210	Nurken A. (alina34)	1					ban	ban
211	empty D. (dias973)	1					ban	ban
212	syrym (sryrmboi)	1
213	Kazakov N.A. (Nikita Kazakov)	1
214	Sadvakasova M.E. (Mereikasad)	1
215	Artemenko K.I. (RustyToad)	1
216	Urstenbekov Z.K. (urstenbekov)	1
217	Mel A.Y. (Alwertq)	1
218	Schapov (__sql__)	1
219	Simonyan D.S. (DIANAS200111)	1
220	Sorokin (nsorokin)	1
221	Alelkov E.E. (Millkiveus)	1
222	Tereshkina K.A. (Kriss160)	1
223	Kharitonov (VerBS)	1
224	Zabolotnev A.A. (Zabolotnev A.A. K3-64B)	1
225	Spitsyn A.A. (Dep_Alex)	1
226	Kaurov (Igor999111)	1
227	Golubnichij D.Yu. (DmitriyGolubnichiy)	1
228	Zhelbunova E.K. (Ekaterina2727)	1
229	Akylbekov I.N. (geto)	1
230	Erykalin P. (Lavorit)	1
231	Bartley D. (colonel_amiga)	1
232	Pan'shina A.G. (AlexashaKim)	1
233	Mel'nikova K.S. (marezhka)	1
234	Batashova S. (sbatashova)	1
235	Kovalev A.A. (godota)	1
236	Voronkova A.V. (lilrussiangirl)	1
237	Kozhinov (sidodji96)	1
238	Antipenko (bl17zzz)	1
239	Davlatov I.M. (Leiurus)	1
240	Zakirov A.B. (alikhan08)	1
241	Shishlakova (cyber_fox)	1
242		1
243	Smirnova E.D. (LuAu281087)	1
244	ale A.N. (ale123404)	1
245	Montana T. (chrono5051)	1
246	no (moon8)	1
247	L K.A. (Klriss)	1
248	Novomlinskaya (NaSSTY)	1
249	Redzhepov A. (Whybik)	1
250	Unregistered	26

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