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May 13, 14:40 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	Kolesnikov S.O. (bulbasaurus)	1			6	8
2	Safronov P.A. (Paulus73)	3	2	103		5
3	Vakulko A.V. (VAlexandrV)	2			2	2
4	Gretsov (Gretsov)	1			2	2
5	Shibaev (saah)	1	1	-17		1
6	Nikol'skij I.Yu. (igoryun)	1	1	7		1
7	Mir (DiversantLux)	1			1	1
8	Talypova M.R. (yaroslavskaya)	1					15	27
9	Turobov N.A. (Nikita134)	1					15	24
10	Dusaeva K.R. (Astrena)	1					15	23
11	Gali (Freakchanin)	1					13	22
12	Kras A.A. (krasn)	1					15	21
13	Pigorev M.V. (qwempty)	1					11	19
14	filatov A. (artfil)	2					15	18
15	Stepanova K.A. (Stepanova Kira)	2					15	18
16	Sheaplyakov D.A. (f1lor3333)	2					15	18
17	Nosov D.O. (baranamsmert)	2					15	18
18	Amelina S.M. (sofia1219)	1					15	18
19	Evdokimov D.A. (sdfsdex)	1					15	18
20	Zyabochkin (Soundgoodizer)	1					15	18
21	B G. (B.G.)	2					13	16
22	Kekov N.M. (EtaKto)	2					10	16
23	Zolina (nyvmicha)	1					9	16
24	Zubkov D. (Dm54)	2					7	13
25	Zhopin (xuy27cm)	1					8	11
26	Kolenko S.S. (Denitsa)	2					7	11
27	Agafonov A.E. (Tharidron)	1					7	9
28	Tsurgan A.V. (Alexyx)	1					6	8
29	Grigor'ev (aboba_mec2)	2					5	8
30	Vlad V.V. (Bleckeid)	1					5	8
31	Grabko (InsightPilot)	1					4	8
32	Leonova A.A. (Snejana123)	1					5	7
33	Gatiyatova A.I. (Gatiyatova_Alsu)	1					5	7
34	tsoy (hznikdima123)	1					4	7
35	Q (ala4ste)	1					4	7
36	Matyuhanov D.A. (Lineagi4)	1					4	7
37	Golubitskaya M. (mariya_golubitskaya)	1					4	7
38	Rezvan (SilentLand33)	2					4	6
39	zhiltsov (flugersql)	1					4	6
40	S (n1pron)	1					5	5
41	Maslov (mimh)	1					4	5
42	Tereshko B. (Boris_SQL)	2					3	5
43	Dmitriev A. (Shuripec)	2					4	4
44	Serbenko (serbenko_m)	1					4	4
45	Sharshenbekova N.E. (Snazira245)	1					4	4
46	Kolesnik A.G. (KolesnikAlexandr)	2					3	4
47	Ivanov I. (olegMagento123)	1					3	4
48	Artsyshevskaya I. (esc_del)	1					3	4
49	Krundysheva K. (kseniakr)	1					3	4
50	Tratseuskaya (klmtn)	1					3	4
51	Kuz'mina A.E. (nnkkzz)	1					2	4
52	Ivanov (valerza)	1					2	4
53	Volkov (swagxxxx)	1					2	4
54	Babeikin E. (Reliquell)	1					3	3
55	Ganiyev A. (lernanto)	1					3	3
56	K A.Yu. (Mad Harper)	2					2	3
57	Pitcil (fallsin)	2					ban	ban
58	Nasybullin R.E. (ravil32)	1					2	3
59	Zotov (mm1leri)	1					2	3
60	Petrov Y.A. (MedSamerrr)	1					2	3
61	Mad'yarov (Ndrix)	2					ban	ban
62	Ivanov (Grigorash)	1					2	2
63	solovev A.A. (otom4ik53)	1					2	2
64	Soboleva I.Yu. (Matreshka_)	1					2	2
65	Zhuravleva A.G. (tikabum)	1					2	2
66	N. (Integral2026)	1					2	2
67	Artemenkov P. (39525D)	1					1	2
68	Yushina (anyush)	1					1	2
69	Pron I.P. (sellitee)	1					1	2
70	Smol'nikov F.A. (_smolnikov_)	1					1	2
71	Oks (kir_oxx)	1					1	2
72	GG (Chamomilla)	1					1	2
73	Sten'kova V.S. (BarabashkaV)	1					1	2
74	Stytsyuk N. (natalia19930420)	1					1	2
75	Shablinskiy M. (puqupu)	1					1	2
76	Natal'ya (Natali_D)	1					1	2
77	Avetisova A.A. (Linchik)	1					1	2
78	Tarnapovich (dormanion)	1					1	2
79	Petrova G.I. (Galina_psql)	1					1	2
80	Gorina V.V. (VG)	1					1	2
81	penkova (sonya3)	1					1	2
82	Kutyavina A. (Anzhelika03)	2					1	1
83	Kravtsov (Kravts.x)	1					1	1
84	Beketov (becat)	1					1	1
85	Capozhnikov (WhiteBurn)	1					1	1
86	Astredinov I.G. (__monk)	1					1	1
87	black N. (neoblackyeah)	1					1	1
88	pexepan638 (pexepan638)	1					1	1
89	Bochkova (AnyaBo)	1					1	1
90	Mel'nikov A.I. (050036Almaty)	1					1	1
91	Smagin D. (play23rus)	1					1	1
92	Odnokurtsev (AlFochino)	6
93	Koptel'tsev V. (selber)	3
94	Vasil'ev A. (JEpstein)	3					ban	ban
95	Vyazovetskov A.S. (alex_v)	2
96	Kurochkin P.A. (qwrqwr)	2
97	Zubov D.Z. (Dmitrij84)	2
98	Platonova Yu.V. (kyv)	2
99	Bukina E. (Charming_Shusha)	2					ban	ban
100	Komarov A.N. (Shveda Saulya)	2
101	Karaev I.D. (kappawave)	2
102	Rakhmataliev D. (Davlatshokh_0210)	2
103	Niyazova (Leyla1542)	2
104	Dayanov I.A. (Papa_v_IT)	2
105	Potemkin (Yazon_79)	2
106	Sarkis'yan G. (gennadi_s)	2
107	P I.*. (IrinaPetr)	2
108	Komov S.M. (Komov S. M.)	2
109	Yushina A.N. (Student63)	2					ban	ban
110	le S.E. (sedrus)	2					ban	ban
111	Sharbatov Y. (YusifSH)	2
112	Meremkulova Z.A. (Zalina_mer)	2
113	Pa V.A. (Veronika234567)	2
114	Bol'sheshapov M.A. (jessekid)	2
115	Ab E.L. (ellllllll_1337)	2
116	Makarov I.A. (_Bkmz_)	1
117	Krasovskij E.A. (pegoopik)	1
118	Midyukov A.A. (Midyukov)	1
119	Rychkov (TheNotlive)	1
120	Gorbunov M.S. (gms)	1
121	Tajmanova A. (--alexandra--)	1
122	Sergeev V. (32b)	1
123	Golosov P.A. (golosoff)	1
124	Celtic (CelticBoozer)	1
125	Yerkobekov N. (Noors001)	1
126	Orlov A. (esterio)	1
127	Dzarasov D. (dzarah88)	1
128	Tsay S. (Sergey Ts.)	1
129	Kulakov E. (SobaGreen)	1
130	Sokolov A.A. (TheAleks)	1
131	arkhimag (max8)	1
132	Kartamyshev N. (Uriell)	1
133	Zhekov K. (Zhekov)	1
134	Si (AnnaSi)	1					ban	ban
135	Pichugin A. (tony_dad)	1					ban	ban
136	Arbatskaya (Arbatskaya)	1
137	ivanov (Aleksandr4994)	1					ban	ban
138	Bitsoev E.T. (Bisotti Eduard)	1
139	Kozha (araisan)	1
140	Shikov V. (Viktor_TG)	1
141	Loginov S. (loginov_sql)	1
142	Shajga I. (idontknowsqlsorry)	1
143	Najik (Najik7)	1
144	Iatkin (MIhey_70)	1
145	Yemelyanenka V. (Va_YE)	1
146	Dmitriev N.V. (Son1do)	1
147	Baltamuratov A. (hardline05)	1
148	Semeniuk V. (Vladyslav_aga_aga)	1
149	Korn D. (DanilKorn)	1
150	Golovkin I.A. (GHOST2508)	1
151	R. (Wra1th)	1
152	Nikita (boar1628)	1
153	Stepanov (LexFrom)	1
154	Korolev R.V. (zouker)	1
155	Gulyaev A.H. (Kharn666)	1
156	Berezovskaya D.V. (dashaeverafter)	1
157	ss S.E. (sancho2502)	1
158	son D.S. (v golove - NULL)	1
159	Vereschagina Yu.M. (Yuliya1915)	1
160	Matveeva (yulmat)	1
161	Lysykh V.K. (Usilitel')	1
162	Veles (Veles3112)	1
163	Ruzmatova C.J. (Aikasan)	1
164	Alekseev A.S. (Andser)	1
165	Killgur (Key21)	1
166	Shevtsov K. (KonstantinXL)	1
167	Zhivotenko N.I. (Kolya777.21)	1
168	Banzarov E.B. (buddha.)	1
169	Popopo (ASergeev111)	1
170	Yaroshchuk (Alexander_1001)	1
171	Popov M. (Underdog12)	1
172	Azanov (kulinarr)	1
173	Ivanov M.A. (maks_ivanov)	1					ban	ban
174	burakov (burakov dimqa)	1
175	Dampilov E.M. (Dampilov Erdem)	1
176	Petr M. (Urium)	1
177	Bogatyrev N.V. (BNV2873)	1					ban	ban
178	Soryu A.L. (RemiliaScarlet3)	1
179	Yakovleva E. (ne_psihuy)	1
180	Bystrov F. (FEDORBYST3445)	1
181	Morozova A.E. (Solnce94)	1
182	Merzlyakov (merzlik)	1
183	Vasil'ev (GudiniMoonlight)	1
184	Chebuchakova E. (kat sergeenko)	1
185	K (Levanlomg)	1
186	Guteneva (iam2304)	1
187	squirrel (squir_el)	1
188	dufivara (d.ufivara)	1					ban	ban
189	Shmelkova V.-. (verabourdn2612)	1
190	Antonova V.A. (Veronika3457897)	1
191	Voronova T. (Selena87)	1
192	Shafigullina D. (Dineira)	1					ban	ban
193	Serazetdinov I.R. (IldarSerazet)	1
194	Gul'tyaev (sta66y)	1
195	m M.M. (callisto-no!!!!!!!)	1
196	Vereschagin V.E. (Izrail)	1
197	Gol'dman E. (Bessmysliye)	1
198	Vatasoiu (Vatasoiu)	1
199	Zulmanov G.M. (kusoksalasielbieslibhotel)	1
200	Detskaya A. (detskaya)	1
201	Peletskis (summerslave)	1
202	Zorin E. (Ketorol)	1
203	test D. (thekidmain)	1
204	Slikhov M. (namms)	1
205	Lutsenko I. (Igor_L88)	1
206	Begemot K.D. (19begemot98)	1
207	Alieva A. (ai999)	1
208	Bazhenov R.A. (dntt)	1
209	Mistyukova E.E. (S. Esenin)	1
210	Kydyrov S. (SultanBeybars)	1
211	Baksanov O.N. (kartoshkin)	1
212	Blokhin A.Yu. (7]{BVZHQ0!w.rh88kYK86jw\3)	1
213	Khudyakov (Hudyakov)	1
214	Papyan (ARM9Nbl4)	1
215	Unregistered	24

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