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February 26, 11:17 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	makarov D. (dmitrii_99)	2			17	23	1	2
2	Babarykin (Danila_7)	1			18	23
3	Gimadislamova Yu.I. (YulianaGimadislamova)	2			15	17
4	Stenina D.A. (dorikkk)	2			8	13
5	Postonogov M.D. (Makson_174)	2			7	11
6	Ponomaryova E.A. (Kotyusha)	1			5	7
7	Valeev R. (Rovail)	1			6	6
8	Gerasimova K.E. (KseniaG_301)	1			6	6
9	Vitlin D. (DanilVitlin)	1			4	5
10	Kornev V.P. (Vladislav Pavlovich)	1			4	5	ban	ban
11	Sarkis'yan G. (gennadi_s)	1	1	194		4
12	Ivanova I.A. (Ivanova Irina)	1			2	4
13	Nov I. (indels)	2			2	3	ban	ban
14	Arzumanova M.V. (marasql13)	1			2	3
15	Stepanyan N.A. (lilnaro)	1					15	26
16	Masanova (K_M)	1					15	24
17	Bekkuzhin A. (Alizhan1337228)	1					ban	ban
18	Isabekova A.S. (Ajyana)	3					14	22
19	Zeinolla E.B. (elzh22n)	1					10	20
20	Kosseit A. (Adiya Kosseit)	1					ban	ban
21	Khalym D.N. (daynkhn)	1					9	16
22	BS A. (Ajay2402)	2					11	14
23	Purbuev B.Z. (PurbuevBulat)	2					8	13
24	Lkhasaranov B.B. (Lkhasaranov_03)	1					8	13
25	Bhure L.B. (Lokii)	2					8	12
26	Ochirova V.B. (vlria)	1					8	12
27	Patle S.S. (zynx)	2					7	12
28	Khanaeva D. (dashulkins)	1					10	11
29	Troeglazov A. (TAEBYACH)	1					8	11
30	Voronkova A.V. (lilrussiangirl)	1					7	11
31	Kanat R.E. (Asylym)	2					6	11
32	Chernova A.S. (fubarbert)	1					6	11
33	Galkin A.E. (Spirens)	1					6	10
34	Smirnov V.V. (Sylvodor)	2					5	10
35	Varel'dzhyan V.V. (viktoriyav)	2					7	9
36	borkar K.B. (Aadhar50)	1					6	9
37	Mamutov (meridian99)	1					5	9
38	Sokolov A.S. (zokky17)	1					5	9
39	Sychenkov (Nik_12345678)	2					6	7
40	aa (flowerdkljj)	1					6	7
41	Hatamov J. (Javid_H)	1					6	7
42	Antipenko (bl17zzz)	1					6	7
43	- (---123)	1					6	7
44	Zajtseva M.Yu. (ritaz93)	1					5	7
45	Lolusare C.D. (Chanchal12)	1					4	7
46	Shutov S. (SkiZzo)	1					3	6
47	dollycons (con99009)	1					3	6
48	Antonova M.A. (Marusyaka)	1					3	6
49	xie (hangrywombat)	2					5	5
50	URL (UnRadicalIssue)	1					5	5
51	Badukale S.U. (shrau)	3					4	5
52	Padade S.S. (sanskruti)	1					4	5
53	Urkude D.M. (Dewanshu2025)	1					3	5
54	R (Arina.8301)	1					3	5
55	K B.S. (Xpline)	1					3	5
56	akm (educatedf)	1					3	5
57	Vidineev M.A. (Flisi)	1					4	4
58	raipalle K.S. (@rjuna)	1					ban	ban
59	Bezgrebelnaya A.A. (horanghoney)	1					2	4
60	Kudimov A. (Artem.K)	1					2	4
61	supare R.V. (ishwari)	1					2	4
62	Grechishnikova L.M. (Lidiya0512)	1					2	4
63	Balyasov A.A. (Hronik)	1					2	4
64	Imankhan T.T. (Temirlan Imankhan)	2					ban	ban
65	Repina (alina.repina)	1					ban	ban
66	Afanevich E. (Ketra)	1					2	3
67	Rai P.U. (danger parth)	1					2	3
68	Karikh V.V. (vadika48)	1					2	3
69	Golubova N. (NSQL)	1					2	3
70	Efremova (eda_shhha)	1					2	3
71	Ivanov (Putnik248)	2					2	2
72	Tembhurne P.P. (prajkta)	1					2	2
73	Shevketova (K1ra)	1					2	2
74	Davlatov I.M. (Leiurus)	1					2	2
75	vedika V.R. (vedika11)	2					1	2
76	Zhelbunova E.K. (Ekaterina2727)	2					1	2
77	Shibaev (saah)	1					1	2
78	Gorbunkov M.S. (gms)	1					1	2
79	Butenko I.P. (Buster na Ogre)	1					1	2
80	Mishin E.P. (zpendik)	1					1	2
81	Dushina T.D. (TaiDm)	1					1	2
82	chore P.P. (devil89)	1					1	2
83	Spabekov M.S. (Meirbek)	1					1	2
84	Bostandyk A.B. (botacore)	1					ban	ban
85	Usserbayev A.A. (Alish711)	1					1	2
86	Zhuman A.S. (Ayano 001)	1					1	2
87	Dalabayeva K. (kaamixxt)	1					1	2
88	Kashaganov A. (Kashaganov)	1					1	2
89	Marushkina A. (39570)	1					1	2
90	Grigoriev (Jamem)	1					1	2
91	Kuzhuget S. (sailana)	1					1	2
92	Simonyan D.S. (DIANAS200111)	1					1	2
93	Grinenko I.S. (grenka9)	1					1	2
94	Nikolaev (iXa1Or)	1					1	2
95	Mironov (Neuhov)	1					1	2
96	Leonov (NestoRtx)	1					1	2
97	Kovalev A.A. (godota)	1					1	2
98	Zambalaeva M.V. (Maria642)	4					1	1
99	Vel'miskin (asdln32)	1					1	1
100	Begunovich S.G. (Canursus)	1					1	1
101	Malakhov (dimmal)	1					ban	ban
102	skumwo (skumwo)	1					ban	ban
103	Myngbay A.M. (Araiosha)	1					1	1
104	Sharapanov R.Ya. (klemira)	1					1	1
105	Krapivina L. (epywabi)	1					1	1
106	Tsytsykova A.D. (fhvhdchi)	1					1	1
107	Ilyakhin M.A. (Max Ilyakhin)	1					1	1
108	Gilyazov (vulcanix)	1					1	1
109	Napso Yu.D. (ProVedmak007)	1					1	1
110	P V V. (Vish_Upon_A_Star)	1					1	1
111	putin (zelya)	1					1	1
112	Suvorov (deeddy)	1					1	1
113	Thakre H.R. (h_arshu)	3
114	Mandal S. (omnbrm)	3
115	Krasovskij E.A. (pegoopik)	2
116	Polyakov V.M. (rock_4)	2
117	Komarov A.N. (Shveda Saulya)	2
118	fioletovaya (fioletovaya2)	2
119	Novikov S.V. (@Ser589QA)	2
120	Dimitrov V.M. (vencid)	2
121	Zhurtov M.Kh. (Muricle1995)	2
122	Kondrashova N.E. (Natalia24111983)	2
123	Mukhametzhan M.A. (Miras2181)	2					ban	ban
124	Nailova K.R. (kamok)	2					ban	ban
125	Kokhovets A. (angelina1599)	2
126	Misharina (bet2)	2
127	safroshkin V.Yu. (safervas)	1
128	Chilikov V.A. (Vovchik)	1
129	Polyakov S.G. (Ivanoff Alex)	1
130	Zajtsev D.A. (_d_z_)	1
131	Koptel'tsev V. (selber)	1
132	Sagaidak M. (sagaidak_marie)	1
133	Petrov N.V. (Nick21)	1
134	Rolovin (gold342)	1
135	Yagofarova L.T. (lutsia)	1
136	Erzhanov E.E. (erzhan1981)	1
137	Kachalov Z.A. (love_kach)	1
138	Rylov (oradb)	1
139	rikimx (psxp)	1
140	Ivaschenko V.V. (Golandec676)	1
141	Smol (Witaaaa)	1
142	Alabushev P.O. (Drama_Lim)	1
143	Patrusheva V.A. (hakloi)	1
144	Abramova Yu. (GalaxyTears)	1
145	Ivchenko A.V. (Anketka)	1
146	Aniskovich E. (evgeniyaniskovich)	1
147	P I.*. (IrinaPetr)	1
148	Galiulin (petroff128)	1
149	Sashnev N.N. (KlerikTTG)	1
150	Odegov A.I. (KovroLitik)	1
151	R. (Wra1th)	1
152	Zaikin A.I. (Fenrigrel)	1
153	Shevyrev R. (shev10)	1
154	Safaralieva U.N. (queenss)	1
155	Lysykh V.K. (Usilitel')	1
156	... (Igor...)	1
157	Alipatov E.-. (Egor_Alipatov)	1
158	Kuvyazeva A.R. (AnnaKuvi)	1					ban	ban
159	Tolstova E.V. (rinkwe)	1
160	agalioglu (SuperMacho)	1
161	Korovin D.Yu. (t1quuuu)	1
162	Martinchik A.A. (angielyusha)	1
163	Yushina A.N. (Student63)	1
164	K K.M. (ksenia2727)	1
165	Buraevskaya A.O. (Alexandra Buraevskaya)	1
166	Nasirova (Taira)	1
167	Sten'kova V.S. (BarabashkaV)	1
168	Marchattiwar T.R. (TaniRM)	1
169	Aminov D.V. (cotik228)	1
170	Shipitsina V.P. (Divirt Lindar)	1
171	Nanava D.B. (1ucky_Num83r_13)	1					ban	ban
172	zhumazhan A.Zh. (akiiii)	1					ban	ban
173	Tleugabylov D.N. (diasdianadias2005)	1					ban	ban
174	Orynbek M.E. (Morzhik)	1					ban	ban
175	Tekesbaj S.S. (sandugashhh)	1					ban	ban
176	Shmelkov M. (Maxi9mK3a)	1
177	Adil (eclassic32)	1
178	maliciousintent (maliciousintent)	1					ban	ban
179	Gorkov (narr3309)	1
180	Zholdigaliev (S1ko)	1					ban	ban
181	Amir (Letede_HIts)	1
182	Goldobin E.G. (prm259)	1
183	qoihdbndn Q.A. (wthwuigfwugfuo)	1
184	Fajzulla Zh. (Zhangirkhan)	1
185	qwert A.B. (Suffer_lxst)	1
186	39566 (395666)	1
187	Khasanov R. (POMAHbl4_87)	1
188	Volkova E. (keke97)	1
189	Btyschev A. (badebum)	1
190	Ayalwar V.V. (vidhiayalwar)	1
191	Zholdasbaj K.M. (proxymocentavra7852)	1
192	Novitskaya (Katinn)	1					ban	ban
193	Andromedov (Andromeda12)	1
194	Ye Y.A. (Yertt)	1
195	Eliseev A.A. (Anton_54)	1
196	Skorobogatova I.S. (IrinSkor)	1
197	Petrova (petrovadv)	1
198	Prokof'ev A.O. (Artem123414)	1
199	Can (svetonik)	1
200	Antonov S.E. (AnSoE)	1
201	FoxIT (FoxIT)	1
202	Bogatyrev Zh.I. (ujin9011)	1
203	Yumanov A.Yu. (Alexey-dwae12)	1
204	Golubnichij D.Yu. (DmitriyGolubnichiy)	1
205	Zhakanov A. (AlmasZh)	1
206	Zubarev A. (AntonZ140)	1
207	Novikov N.D. (nikitosikss)	1
208	Dusaeva K.R. (Astrena)	1
209	tykva P. (soda)	1
210	Smolina A.A. (Sparkle_Taira)	1
211	Aben Z.K. (smwobt)	1
212	zhtpsv A.A. (zhtpsv)	1
213	Eugene (home_head)	1
214	Slavarod G. (Goydaslav)	1
215	Skiba D.S. (Danonchk_202)	1
216	Sokol (sqlenj)	1
217	Ravcheev (Nikitiwe)	1
218	Erykalin A. (JAKIBS)	1
219	Batashova S. (sbatashova)	1
220	Martynenko A.V. (Laditops)	1
221	Gridasov I. (SMkote)	1
222	Gaponov K.V. (Mason1703)	1
223	Pidzhakov F.R. (Sikvuel_master)	1
224	terehin (Terekhin456)	1					ban	ban
225	Iklymova (Larka888)	1
226	Poriadkova A. (Lemon.grass)	1
227	Alekseev V.A. (GGonin)	1
228	Kupriyanova Y.D. (grenk)	1
229	f (kil'kafffffff)	1
230	reznik Y.A. (yurao)	1
231	Pavel'ev D.S. (Flenz)	1
232	Chernyak (chernyii)	1
233	adolf H. (Panda323)	1
234	Sobolev D. (Pztyle)	1
235	Ulasnvich A.V. (aleks_maximus)	1
236	Unregistered	20

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