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January 12, 12:27 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	Nazarov (Ilya_Nazarov)	1			9	9
2	Sarkis'yan G. (gennadi_s)	1	1	190		4
3	Ermakov D.S. (ErmakOFF)	3	1	36		3
4	fioletovaya (fioletovaya2)	2	1	68		3
5	Str D.A. (stdimchik)	1			2	2	2	2
6	Ag V. (Vl_78)	1			1	2
7	Norboeva S. (saranor)	1	1	1		1
8	Shajdt I.V. (Ivan222)	5					ban	ban
9	Antonov G. (AntonovGA)	3					15	27
10	Pantyukhov A.A. (DR.Liveseu)	1					15	25
11	Schmidt C. (rattocomune)	1					9	18
12	Gajfullina A.A. (PaeoniaAlina)	2					10	17
13	Gorokhova A.G. (aina_gr)	1					9	14
14	Karpets A.A. (Alena Karpets)	1					ban	ban
15	Skripinskij (bozhedar)	1					8	10
16	Kovaleva A.V. (anastasiakovalv)	2					8	9
17	Kondratskij E.O. (Mr-Tukan)	1					7	9
18	Tarakanov V.V. (ChXos)	2					6	9
19	Evdokimov N.B. (Mrakoborets)	1					5	9
20	atalaev (byterbrodSQL)	1					4	8
21	Trezlou (Anny Treslow)	1					4	8
22	Miribyan D.D. (Diana Mir)	2					7	7
23	Karabekyan A. (Arsen0309)	1					7	7
24	Fedorova V.N. (verun)	3					ban	ban
25	Balaban V.R. (Balaban1)	2					4	7
26	Alekseeva M. (Maha1)	1					6	6
27	Evdokimov D.D. (XoxJlaHd)	1					4	6
28	p V.V. (criger52)	1					4	6
29	Dvornichenko E.A. (Chaika_)	1					3	6
30	Moiseeva A.V. (Niim)	1					3	6
31	Shast V. (lek321)	1					3	6
32	Poghosyan I.I. (Pogin)	1					5	5
33	Silant'ev E. (Reonic)	1					5	5
34	Hayk (suddy)	1					5	5
35	B (alex9747)	1					4	5
36	Kozlov A. (Antoa)	1					ban	ban
37	Denisov N.A. (colorized!)	1					4	5
38	Umnov A.A. (AndoUm)	1					4	5
39	Zamotajlo A.A. (Zamelo)	3					3	5
40	Silkin D.A. (DanSilk)	2					3	5
41	Krivosheeva M.V. (SQL_progM)	1					3	5
42	Lukutova A.A. (Lukutok)	1					4	4
43	Maksutov I.I. (wtf_ilg)	1					4	4
44	Familiya (Psevdonim (unikal'nyj))	1					4	4
45	KHVAN D. (dimakhvan)	1					3	4
46	Shuklin E.A. (ydreamin)	4					2	4
47	Likhobabin A.B. (AlexL75)	1					2	4
48	Mikhajlov A.A. (Randei)	1					ban	ban
49	Kolesov S.B. (Kolesov Stepan)	1					2	3
50	Savelkov M. (lilhost)	2					2	2
51	Scherbakova O.V. (eco_oksana)	2					2	2
52	Teteryatnik A.D. (Nastya0903)	1					2	2
53	Makarov D. (Dmitriy Makarov)	2					1	2
54	Kipriyanov A.V. (KhozyainAleksandr)	2					1	2
55	kuraleva (ankural)	1					1	2
56	Kachkaev A. (alevaka)	1					1	2
57	Kornilova (verkrorn)	1					1	2
58	Amaterasu .. (KeKeiGenaki)	1					1	2
59	Akhmatnabieva A.R. (Aismua)	1					1	2
60	Orlova A.V. (Sasha520)	1					1	2
61	Eremina A.V. (Arcanum)	1					1	2
62	Pashin S. (EKVA)	1					ban	ban
63	Dudko (whyse2000)	1					ban	ban
64	Vishnevskij D. (R@ZOR)	1					1	2
65	Bube (ValBube)	1					1	2
66	Ivanov I.I. (vlad91)	1					1	1
67	Seidinov B. (seldlnov)	1					1	1
68	Emel'yanova A.V. (Anastasiya (6red6wolf6))	1					1	1
69	Vishnya Yu. (Oswaj58)	1					1	1
70	Deulin I.A. (Greyhan)	1					1	1
71	Yakushev A.O. (SelektMenya)	1					1	1
72	Sharipova R. (RimShar2026)	1					1	1
73	Amulakov B. (Basang13)	1					1	1
74	Livshits (@Valeriy)	4
75	Peters A.D. (artyom_tonx)	4					ban	ban
76	Chobitko I. (Karter_Kouls)	3
77	Titarenko Yu. (Julia_74)	2
78	Kucherov A.A. (Arahnid)	2
79	Nuryllaeva Zh.K. (Zhazira)	2
80	Semenova P. (PolinkaMalinka)	2
81	Okimura R. (Risa_Okimura)	2					ban	ban
82	Presnyakov (Gevattaer)	2
83	Solonitsyn A.B. (Krakoff)	2
84	Kudryavtsev K.S. (randomcheg)	2
85	Vinogradova E. (-Helen-)	2					ban	ban
86	Isaev I.S. (Menru)	2
87	Gordienko R.A. (Viking77)	2
88	Rojas T.O. (thomiboi)	2
89	Ryzhova (ryzhovaa)	2
90	Bochkarni (konvpaltoivvannoy)	2
91	Borovik A.V. (Stasicq)	2
92	Zavrazhnykh M.S. (Z_MS)	1					ban	ban
93	Kurochkin P.A. (qwrqwr)	1
94	Latyntsev N.G. (aks_nsk)	1
95	Hakobyan H. (J.H)	1
96	Sal'nikov Yu.A. (Yriy S)	1
97	Koptel'tsev V. (selber)	1
98	Polyakov V.M. (rock_4)	1
99	Goncharov (Raz_dva)	1
100	Belov V.A. (agent04)	1
101	Zawadzka A. (Zawadzka133)	1
102	Sokolova A.S. (Styu)	1
103	Kissin D. (DanielK)	1
104	Pototskaya (kusochek-91)	1
105	Ivanov P.A. (goaliepash)	1
106	Varlov S.V. (Fatom)	1
107	Daniyarov A. (Tamla)	1
108	Vojtenko Yu.A. (Pin_Tweaks)	1
109	Kalachikov (M@ks1m)	1
110	Shkatova A. (Anchenn)	1
111	Tsay S. (Sergey Ts.)	1
112	a A.A. (Artur1q)	1
113	Kirilov A.V. (Arbaiter)	1
114	Urvachev D. (DimaLesnik)	1
115	Prijmak S.V. (Renar)	1					ban	ban
116	Yakshin I.V. (ivan_y)	1
117	DO R.M. (danchikPi)	1
118	Shirepova E. (erklya)	1
119	Bembeev A.V. (karagiozis)	1
120	Palasukhin D.S. (Nitrinos)	1
121	Malakhov A.V. (JLaKeR)	1
122	Vdovin S. (Rujan)	1
123	Bredikhin M. (maxim_bredikhin)	1
124	Sorokopyt A. (alex.sorokopyt)	1
125	user-man (userman)	1
126	Isaeva K. (ksinus_)	1
127	Fedus' A.A. (idleyak)	1
128	Timofeev M.P. (Maaksim)	1
129	Kondybayev A. (k-yanra)	1
130	Vishneva K.V. (krisvishneva)	1
131	Pasechnik R.R. (PRR)	1
132	Qw I.B. (Drone123)	1					ban	ban
133	Lebedeva S.A. (Silverino)	1
134	Muginov (RepressiaLord)	1
135	Tikhonenko B.V. (BorisTih1988)	1
136	Zinchenko (destroymain)	1
137	Skokov B.S. (leks$$)	1
138	petrov (petrov991)	1
139	Finaev V.N. (htdcanbfa)	1
140	Ivanov (userTest1)	1
141	Tolstova (Helenka86)	1
142	Abaturova V.A. (ValeryAba)	1
143	Aliev A. (excell)	1
144	L A.V. (avl_vlad)	1
145	Aniskovich E. (evgeniyaniskovich)	1
146	Tret'yakov N.N. (nikontra)	1
147	Lomov N.V. (LPRMA)	1
148	Panchenko (sm41sm12)	1
149	Odegov A.I. (KovroLitik)	1
150	Kaugerand D. (DistantShore)	1
151	R. (Wra1th)	1
152	Ivanov (Odna popytka)	1
153	Belskiy V. (Gambit87)	1
154	black N. (neoblackyeah)	1
155	Doroshevich A.R. (Alexei2019)	1
156	Komov S.M. (Komov S. M.)	1					ban	ban
157	Fedchenko A.M. (lunarus)	1
158	Romanova Yu.V. (Julizzz)	1
159	Lysykh V.K. (Usilitel')	1
160	Nurtai (Nurtai95)	1
161	Zolotarev (Yura Zolotarev)	1
162	Krasnov A.A. (Nutr1k)	1
163	Ivanova I.I. (Brungilda924)	1
164	Murav'ev D. (dmitroks)	1
165	Gadimov N. (RealNur1)	1
166	Boboeva (Kiba)	1
167	Ispravnikov O.S. (shadowbull)	1
168	Nazarov N.N. (FOX222)	1
169	Aleshina K. (Xeniia1205)	1
170	Tuktarova N.A. (LediBulavochka)	1
171	Onischenko M.A. (TitoAlba)	1
172	Zhigalova V.A. (butterbread)	1
173	Pikuleva (kessedey)	1
174	Klenin (kostyllSQL)	1
175	Shestakov E.D. (wnwnkm3)	1
176	Polimonov I.A. (IvanPolimonov)	1
177	Belyak (TheTester)	1
178	Verkhovlyuk V.Yu. (valik2208)	1
179	Smolentsev E. (jenkentt)	1
180	Lebedev V. (Lebedev_VV)	1
181	Savina (irina.savina)	1
182	Soltan A.V. (4soul)	1
183	Fayzullayev (Lutfullo)	1
184	gyu V. (t3vgn)	1
185	Petukhov D. (DmitryData)	1
186	Ilya I.I. (Ilya_123)	1
187	Chirktsov S.A. (Hovrosik)	1
188	Vasenko (wsl*)	1
189	Kon'kov G. (garrykonkov)	1
190	Anisimov M.O. (maximilian_126)	1
191	Derevyanko A. (AlexeyDerr)	1
192	Nizhnikov (RayBr)	1
193	t N.Z. (nurka_20102)	1
194	t T.T. (k0ntimka)	1
195	Valdimirov (Valdeemeer)	1
196	Dorovskikh M.Yu. (maroov)	1
197	Jangarasheva R. (RimVlad)	1
198	Smalyuk M.Y. (maria2233431)	1
199	Alpatova E. (datakate11)	1
200	mukhin D. (sam4ik)	1
201	Khovrin (LunarShadows)	1
202	Yoha (Molekula89)	1
203	Yachmeneva (Tatyana_nsk)	1
204	Nikitina D.V. (Dana73)	1
205	Falkov (ramzes333)	1
206	Burunkov E.S. (GooJoke)	1
207	Unregistered	34

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