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January 18, 16:22 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	Pupkin (Kikimora)	1	1	52		1
2	Lezhnev A.K. (Lezhnev)	2					ban	ban
3	Sapegina E.A. (Letiana)	1					20	34
4	Shtukin I.V. (khvrzv)	2					15	25
5	Vatazin A.R. (Vatazin Aleksej ?)	1					ban	ban
6	Pantyukhov A.A. (DR.Liveseu)	2					15	24
7	Baranov (dmitilu)	1					15	22
8	Myagkov (MURRyao)	1					14	17
9	Mir (Nadyami)	1					13	16
10	usmanov (dunap)	1					11	15
11	Vatazin A.R. (Vatazin Alekse)	3					ban	ban
12	Nikolaeva I. (i_sha)	1					11	14
13	V'yukov (GiproveR)	1					8	13
14	Lezhnev I.I. (AnatoliiLez)	1					ban	ban
15	StuF (StuF)	1					11	11
16	Reshetnyak V. (Stonuvv)	1					5	11
17	Trezlou (Anny Treslow)	1					5	10
18	Sterben (Kitya Vislyj)	1					8	9
19	Demidenko (dekuu)	1					7	9
20	Davletov (Timur99)	5					ban	ban
21	Rumyantsev M.P. (max_rumyantsev)	1					5	9
22	defcan (defdef)	1					5	9
23	Wand M.T. (MagicWand)	1					7	8
24	Ermakov A.S. (Mr.Ermak)	1					6	8
25	EFIMOV E. (EFIMOV_EDITS_PRIME)	1					5	8
26	Ivanov (ngawnbp)	1					5	8
27	Mariya (vladimirovnaaa9)	1					3	8
28	Belozerova (MyYDuck)	1					7	7
29	Schennikov D.A. (ShdenisSh)	2					6	7
30	Avinerov D.V. (DanAvin)	1					6	7
31	Astakhova I.V. (Felya22)	1					4	7
32	Malakhov A.V. (JLaKeR)	1					4	7
33	dsfsdfsdf (aascsadwqedsw4324324w)	1					4	7
34	Tverezovsky (tverik)	1					4	6
35	Timshin N.E. (extaazza)	1					3	6
36	Startseva A.A. (Kryakovskaya)	2					5	5
37	Haritonov (aanddrew)	2					5	5
38	Furas'eva E. (Tiffani)	2					5	5
39	shramko (shramko)	1					5	5
40	Fajzullina I. (Carm163)	1					5	5
41	Mikhalyov E.S. (evgensiii)	1					3	5
42	Erzhanov E.E. (erzhan1981)	1					4	4
43	Ul'yanov A. (Red_Alex)	1					4	4
44	Efendiyeva R.E. (efr17072004)	1					4	4
45	Kudabaev (SalesReaper)	1					4	4
46	. (FullFe)	1					4	4
47	Dyuzhikov A.I. (Dyuzhikov A.)	2					3	4
48	Nikonorov N.A. (l4d4)	2					3	4
49	I (Killjoy282)	1					2	4
50	Gregory (Really_cool_boy2000)	1					ban	ban
51	Proks (DariaProks)	1					2	4
52	Shevelyova K. (azuriya)	1					3	3
53	Rozhkov A.N. (sterozilla)	1					3	3
54	Arutyunyan E.N. (^Marcus^)	1					3	3
55	Kuvaldov (Romanjo)	1					3	3
56	Kuznetsova O.V. (Eurasian pygmy owl)	1					3	3
57	Ekhlakov I. (pomidor2525)	2					2	3
58	Irina P.A. (Gnomsi)	1					ban	ban
59	Tarakanov V.V. (ChXos)	1					1	3
60	Krivov D.L. (Dietrich Mannski)	2					2	2
61	Kurmanova A. (anara_14)	1					2	2
62	Testovyj T.T. (TestikTestovik)	1					2	2
63	Vysotskij E.V. (Esscape)	1					2	2
64	Norboeva S. (saranor)	1					2	2
65	Topilina E. (Elena-taom)	1					2	2
66	Yakhina K.R. (karinasql)	1					2	2
67	Ruslanov (saimond)	4					1	2
68	Ershova V.V. (vera1507)	2					1	2
69	Rastrygin (PavelRast)	1					1	2
70	Zhuiko (glebo4ka)	1					1	2
71	Borodin V.A. (Ludoman)	1					1	2
72	weffe (nagibatorsha666)	1					1	2
73	Gulyaev N.I. (Nekit44)	1					1	2
74	Fatykov R.I. (TakeshiKatsuro)	1					1	2
75	Verkhovlyuk V.Yu. (valik2208)	1					1	2
76	Dovgalo D.K. (qestost)	1					1	2
77	Talesnikov S.A. (slavatalesnikov1)	1					1	2
78	Umnov A.A. (AndoUm)	1					1	2
79	Mikhajlova E. (candysss)	1					1	2
80	Bogdanov D.S. (M0n0br0v)	1					1	2
81	Pantyushin D. (Kaz_Horn)	1					1	2
82	Malakhov (dimmal)	1					1	2
83	Dmitrinv G.E. (GermanDM)	1					1	2
84	Sadullaev U.S. (umidd)	1					ban	ban
85	Belyak (TheTester)	4					1	1
86	Grebenyuk V.I. (Gvadyuk)	2					1	1
87	TT (edws)	2					1	1
88	Lex L.L. (Nanhaydo)	1					1	1
89	Shabalkina U.V. (Onevilus)	1					1	1
90	Chistikova O.V. (Liolika2001)	1					1	1
91	Alex A.A. (alexalex68t)	1					ban	ban
92	Dolotenkova P.O. (skadlfseerf)	1					1	1
93	Savel'ev I.A. (Moonless Rider)	1					1	1
94	Peregudova A.Yu. (Leksi52)	1					1	1
95	Sizonets (svetleishiy avgustin)	1					1	1
96	Kolesova A.P. (AnNushka172)	1					1	1
97	Pauliuchyk A. (Lefracto)	1					1	1
98	Gareeva M.M. (beeinboots)	1					1	1
99	Vagin A. (Lizardgummy)	1					1	1
100	Vavilikhin S.R. (Hanade)	1					1	1
101	Ivanov I.I. (meedoed)	1					1	1
102	Petrov Y. (YuriPetrov)	5
103	Sobolev A.S. (SobolevAS)	3
104	Petukhov D. (DmitryData)	3
105	a B.C. (tapo4ekk)	3
106	Krasovskij E.A. (pegoopik)	2
107	Revyakin (Revlani)	2
108	Koptel'tsev V. (selber)	2
109	Vinogradova S.M. (Tigra1)	2
110	Kolmogorova (NadK)	2
111	Smolianinov S. (lsdvitamin7)	2
112	Sh Yu.N. (enken)	2
113	Sarkis'yan G. (gennadi_s)	2
114	Komov S.M. (Komov S. M.)	2					ban	ban
115	Ilya I.I. (Ilya_123)	2
116	Vishnevskij D. (R@ZOR)	2
117	gdugdh (gdugdh)	2
118	Ponomarev K.V. (datshirli)	2
119	Tarkovskij S.O. (samuil2007)	2
120	Sch S.A. (Svetych1610)	2
121	Chesnokov V.V. (vchesnokov)	1
122	ZIRO (ziro)	1
123	Karelin E.A. (Khoiso)	1
124	Nentsinskaya K. (Ksunichka)	1
125	Shvachkina K.O. (isq_yar2016)	1
126	Likhacheva (limariya)	1
127	Trushko J.V. (Joker1231)	1
128	solo77 (solo77)	1
129	Osadchij (Slevin94)	1
130	Lidzhiev B. (BasanLidzhiev)	1
131	Sikvelov M.M. (Matwey_t)	1
132	Ibragimova Ch.T. (freakdytt)	1
133	Izvol' (Balodya)	1
134	Komarov A.N. (Shveda Saulya)	1
135	Ivanov I.I. (vlad91)	1
136	Dankovskaya J. (DankovskayaJul)	1
137	Grutsa I.A. (Foylin)	1
138	petrov A. (arturpetrov)	1
139	Maslennikova O.A. (Maslenokok)	1
140	Mazotov I.A. (Johny Bracker)	1
141	Bredikhin M. (maxim_bredikhin)	1
142	Kozhuhar D.A. (DanilaK)	1
143	Kochetkov D. (DeBe)	1
144	gupta S. (srashti)	1
145	Ryabykin M.V. (Mikhail1704)	1					ban	ban
146	Ermakov D.S. (ErmakOFF)	1
147	ALEXALEX A.A. (ALEXALEX111)	1
148	Ksenia (Ksenia_Murashka)	1
149	Vakhitov (MurikVh)	1
150	Anikeeva D. (Daryanika)	1
151	Gribanov (DimeenpR)	1
152	Polushin A. (uvuclub)	1					ban	ban
153	Ivanov (userTest1)	1
154	Dolenko I.A. (Dolenko)	1
155	Kamado (Godjo_Satory)	1
156	Karpov I.E. (Karpov_Igor)	1					ban	ban
157	Odegov A.I. (KovroLitik)	1
158	R. (Wra1th)	1
159	Pavel P.P. (familka)	1
160	Galt J. (estarosaaaa)	1
161	Moroz V.A. (chemicalfrost)	1
162	Shumilin D. (DshumSQL)	1					ban	ban
163	litovsky L.L. (litovsky)	1
164	Nikitin (Buddy393)	1
165	Vladimirova (Al'bina 2025)	1
166	Seidinov B. (seldlnov)	1
167	Barboskin I.A. (Djen)	1
168	Lysykh V.K. (Usilitel')	1
169	Shpengler A.V. (Nbuzz)	1
170	smak M.R. (Neocortex1)	1
171	tomer T. (chtomer)	1
172	Zolotarev (Yura Zolotarev)	1
173	Avr E.N. (EgAvr)	1
174	Osokina (sedge)	1
175	Kharitonov P. (kharitonov546)	1
176	Vinogradova E. (-Helen-)	1					ban	ban
177	/// (Magnanimous Cactus)	1
178	Zhuravlev A. (ajour)	1
179	Sadullaev D.?. (lxxst)	1					ban	ban
180	Kashintsev (certtone)	1					ban	ban
181	Aleksashkin S.A. (Algerdavich)	1
182	Mityukov E.D. (hezky)	1
183	Pashaev N.P. (cactusjackjacksonchick)	1
184	Dudko (whyse2000)	1					ban	ban
185	Shulepov I.P. (Vanek778)	1
186	Isaev A. (iprit)	1
187	Myrzan C.M. (myrzeke)	1
188	Bogachev A.B. (tOaO)	1
189	Karakchiev M. (maks245137)	1
190	Kosarev I.D. (QWE2001)	1
191	Eeee K. (HrenZnaet)	1
192	Makarchuk D. (xx.darja)	1
193	Silkin G. (Georgyy)	1
194	Kokushev (Kartoshka_777)	1
195	Fomina E.V. (cactus110)	1
196	Velikaya Yu. (juliagreat)	1					ban	ban
197	Yava C. (CAVAYAVA)	1
198	Hesenzade (Hasanzade)	1
199	Pupochko T.K. (AdeptSem)	1
200	Zajtsev E. (zaegorrr)	1
201	Tetcher (Small pepe)	1
202	Gerasimchuk (bogrsm)	1
203	Karapetyan (TakesMeAnywhere)	1
204	Legkova A.O. (albebex)	1
205	Shein D. (deathbell)	1
206	Zhuk (Elena2610)	1
207	Ablekova A. (ablekovaa)	1
208	Bazargarmaev A.Ch. (Aurch)	1
209	Egorov S.L. (Leathermen)	1
210	Fischenko (SergejFS)	1
211	Teplyakova (juleyt)	1
212	discopony3 (discopony)	1
213	Famchankou (famchankou)	1
214	Unregistered	34

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