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April 26, 19:04 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	Kushnir A.I. (Fyzreiy)	6			14	19	ban	ban
2	Chuprakov M.E. (moonwink)	2			12	15	ban	ban
3	M (DanilM2304)	5	3	57		5
4	Kolesnikov S.O. (bulbasaurus)	1	3	19		4
5	Kuritsyn V.N. (ValNick)	1			1	4
6	P I.*. (IrinaPetr)	2	1	59		2
7	Abakumov (Artem00)	1			2	2	4	5
8	Skosyrskaya E.A. (Noctiluca)	2			1	1	3	3
9	Chuprakov M.E. (focpp)	2			1	1	ban	ban
10	Semin A. (Lui)	2					15	28
11	Lebedev A.I. (Made_In_Mama)	1					ban	ban
12	Zverev N.S. (Nikzver)	1					15	24
13	Obruchkov A. (a.obruchkov)	2					ban	ban
14	Zhavoronkina M. (maria zh)	1					14	23
15	Loseva (kami018)	2					14	21
16	Isaeva K.A. (krzlxw)	1					15	20
17	Selukov E. (ygsir)	1					15	18
18	Turlybekov O. (WIPOlzhas)	1					15	18
19	Boeva O.M. (olga_boeva77)	1					10	17
20	Myagkova M. (myagkovam)	4					11	16
21	Bannikova V.S. (ValeriaB)	1					15	15
22	Secret Key (Secret Key)	1					10	15
23	Gusyatnikov S.V. (hromoi.goos)	1					9	15
24	Kurlyandskaya V.O. (vladi_kur)	1					10	13
25	P A.A. (YourPast)	2					9	12
26	Stepanenko V. (veronikastep)	1					9	12
27	Slipko D.I. (Sketatel)	2					7	12
28	Grachev V.V. (Rosswiese)	1					7	12
29	Turlybekov O. (Olzzzhhhas)	1					ban	ban
30	Anokhin G.R. (Georgii1234)	1					8	11
31	keshishyan N. (nanekeshishyan1)	1					8	11
32	Romodin A.A. (Sanya Tsentner)	1					8	11
33	Lozhkina (xmika)	1					6	11
34	Kitchenko V.I. (Veronika18)	1					10	10
35	Mel'nik K.V. (karinakios)	3					8	9
36	Morozova P.D. (mat_harp)	1					8	9
37	Divaeva (alice_in_chain)	1					7	9
38	Barakov A. (BarakovAsyl)	1					6	9
39	Vlad V.V. (Bleckeid)	1					5	9
40	Lipin (TugoseryaPuzogitel)	1					5	6
41	Ivanova (ansss)	1					4	6
42	Malkin A. (Dreten)	1					3	6
43	Marinski O.A. (OgnyanMarinski)	1					3	6
44	Shutova P.A. (iolin)	1					3	6
45	Podolyan (Rrrrrrram)	2					5	5
46	Klevanskaya A.R. (nastenakleva)	2					5	5
47	vadim P. (chikabum)	1					5	5
48	vas I.A. (pinok)	1					5	5
49	Ivanov I.I. (geshka123)	1					4	5
50	fedusdedus (Fedus)	3					3	5
51	P S. (sonasol2)	1					3	5
52	Bykhova E.D. (bykhova.e.d)	1					3	5
53	Pavlinov D. (danil_panamera)	1					3	5
54	Sokolova O.V. (Ol'ga2026)	1					4	4
55	Bair (lootta)	1					4	4
56	Degovtsov K.A. (brazilian.pdf)	1					3	4
57	Bukharinov D.S. (DIeightB)	1					3	4
58	Kolodijchuk O. (Nova54)	1					2	4
59	Desyatkov A.A. (Devastated666)	1					2	4
60	Sajfetdinov A. (psql_magic)	1					2	4
61	Mishra (Ginger457)	1					2	4
62	sefasfasf F.A. (fassdfae)	1					2	4
63	Yuki R. (Aethelis)	1					3	3
64	Rockey (Trinesh)	1					3	3
65	ledentsova (pavmpoo)	1					3	3
66	Kamyzin (yolorino)	1					2	3
67	Gubeev I.O. (Ilush1k)	1					2	3
68	abakumova S.I. (abaqmova)	1					2	2
69	Nikolaev A. (trunkk)	1					2	2
70	Vinokurov V. (dsfAFASF3)	1					1	2
71	Pashaev R.A. (Pashaev)	1					1	2
72	solovev A.A. (otom4ik53)	1					1	2
73	Popov D. (linklib.web)	1					1	2
74	Z (irzm)	1					1	2
75	Mikaya (Gio9248)	1					1	2
76	Utkin S.A. (Aethel)	1					1	2
77	Mad'yarov (Ndrix)	1					ban	ban
78	Ibragimova A. (anya_tusina)	1					1	2
79	Duisenbayev (3UMF)	1					1	2
80	Shul'ts (Bebra v adidasakh)	1					1	2
81	Erykalin (IJAKIBS)	3					ban	ban
82	Pobuta (Arifoxyyy)	3					1	1
83	Ganenko I.I. (IGI1606)	3					1	1
84	Avvakmov (Ultimate1914)	2					1	1
85	Volyk (Netsky199723)	1					1	1
86	Platonov A. (Golden-Times)	1					1	1
87	Idrisov A.S. (AinurSQL)	1					1	1
88	Luzin (nikitasyan)	1					1	1
89	Tischenko V. (vikatish)	1					1	1
90	Pribluda A.V. (anti-tank_hedgehog)	1					1	1
91	Kondrashina T. (Tat'yana89tlt)	1					1	1
92	Popova A.A. (Linappv2026)	1					1	1
93	grud G.G. (grud)	1					1	1
94	Sarkis'yan G. (gennadi_s)	6
95	Klochev S.A. (unicornsereZHa)	5					ban	ban
96	Kushnir S.A. (Wishmaster190281)	3					ban	ban
97	R. A. (Erayo)	3
98	Krasovskij E.A. (pegoopik)	2
99	Vaselendyuk D. (Vaselendyuk)	2
100	Vadimov (ValovVadim)	2
101	Nesov (80STH)	2
102	Idrisov M. (Marik_80)	2
103	Shikov V. (Viktor_TG)	2
104	Gusev A.O. (NowOrNever)	2
105	Tahsin S.M. (Syed Mohaiminul Hoque)	2					ban	ban
106	Lysenko R.A. (Ruslan+)	2
107	Komov S.M. (Komov S. M.)	2					ban	ban
108	Familiya I.O. (Aura0)	2
109	Bocharova V.E. (Malvisa)	2
110	Azovskov E.A. (Jora7777)	2
111	Vyazovetskov A.S. (alex_v)	1
112	Cheranev A. (cher)	1
113	Kurochkin P.A. (qwrqwr)	1
114	Koptel'tsev V. (selber)	1
115	Murzin V.S. (netkas)	1
116	Alekseev A. (RobertWhite)	1
117	Lazareva E. (lea_22)	1
118	Vinogradova S.M. (Tigra1)	1
119	Petrov A.V. (AVPetrov)	1					ban	ban
120	Filippova (verve)	1
121	Kozlov (VKElk)	1
122	O (RaisaO)	1
123	Polunini (olenkan1)	1
124	Treschalin M. (MihailT)	1
125	Dits O. (OlegDits)	1
126	Smith (tibacityblues)	1
127	Borodin R. (screen190795)	1
128	Chumichev V.B. (Bandres)	1					ban	ban
129	Kotov (Kotov E.V.)	1
130	Kras V. (Vikron)	1
131	zueva G. (galina111)	1
132	Zhekebaev A. (AdolfZ)	1
133	Rasskazov (MReyJ)	1
134	Svezhov (lsvezhl)	1
135	Egorov V. (finnraym)	1
136	Petrov O.P. (Jelaris)	1
137	Vdovin S. (Rujan)	1
138	nurbekov D.N. (Nevermind`)	1
139	Abrosov A.A. (Distar)	1
140	Borschovetskij I.N. (Igor2.0)	1
141	b (milbul)	1
142	O (janeoosql)	1
143	Rod'kin (AlexRod)	1
144	Popov A.V. (Ubijtsasmerti2009)	1
145	Mischenko (Deonisiy_M)	1
146	Strukov (StrukovSA)	1
147	Dubanova E.R. (Klocheva)	1
148	ss A.S. (SashaSS)	1
149	Afanasev I. (uibanix)	1
150	Sokolov A.S. (YasniyHer)	1
151	Golovkin I.A. (GHOST2508)	1
152	Odegov A.I. (KovroLitik)	1
153	Timofeeva V.A. (timofeevaleria)	1
154	R. (Wra1th)	1
155	Popov A. (Amniculus)	1
156	Finogeev M. (MaxFinog)	1
157	Stepanov (LexFrom)	1
158	black N. (neoblackyeah)	1
159	Ocean (Ariel Tiramisu)	1
160	KHU (kittysss)	1
161	agalioglu (SuperMacho)	1
162	Popov P.A. (JohnSass1)	1
163	Bajdavletova A.I. (aigulselamnogopul)	1
164	Kolobin N.S. (gerod0t)	1
165	le S.E. (sedrus)	1
166	Goldobin E.G. (prm259)	1
167	Sozonova E.D. (LasnKaterina)	1
168	Karetin D.A. (poor_srvlt)	1
169	Shkrylyova S.A. (Sveta2202)	1
170	Trushnikov M.N. (chajan)	1
171	Mel A.Y. (Alwertq)	1
172	Shapovalov (Shapick)	1
173	Rafikov G.K. (gog110)	1
174	Quzmin (dmitryQu)	1
175	Azanov (kulinarr)	1
176	SQLMASTER (SQLMASTER1864)	1
177	Aurelius (gineus)	1
178	petrenko A.A. (hippi1232)	1
179	Kekov N.M. (EtaKto)	1
180	Stikentzin D. (Aliandr)	1
181	Sivolozskii (kirill_szz)	1
182	Fomin A.A. (Alexandr828)	1
183	ver (remli)	1
184	Belozyorskaya V.A. (tori_belozerskaya)	1
185	Rakhmatullina (JuliaMay88)	1
186	Darbinyan A. (Hayk_REAL0101)	1
187	sql (winchester1)	1
188	Filippova K.S. (rogedeerk)	1
189	Charukh I.K. (1brain)	1
190	Rezenov A.A. (Moratorium)	1
191	Novikov (Monsieur_LE_Chat)	1					ban	ban
192	Samojlov E.P. (test_user_SDET)	1
193	belov A.A. (asrghbdvcxsertyujkmnbgftr)	1
194	1 1.1. (TanciCBubnom)	1
195	Anastasia (astasya)	1
196	Gol'tsov A. (kodzima)	1
197	Gabdulkhakov (Akfiashch)	1
198	Kabayan I.A. (Irina_K.)	1
199	awdwdadw (alpakkaa)	1
200	A (H3D4)	1
201	Lizina (lasttt)	1
202	Elfimov A.A. (Mugle9227)	1
203	Deryagin A. (yappi_)	1
204	Papiashvili G. (George_Kepler)	1
205	Pen G.G. (Grishiset)	1
206	Shakhnovskij K.K. (youngkostik)	1
207	Issar V.D. (Mafrt_eSports)	1
208	Rabadanov M.M. (broke32222)	1
209	Inyukhin A.Yu. (warmack)	1
210	Novikova (Persic_ox)	1
211	Shabarov D.A. (Prolazij)	1
212	Durczak (kilogramktorywypalesam)	1
213	Unregistered	20

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