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August 19, 16:31 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	Bykov (sky-shore)	1			3	3
2	Bochkova (PunDora)	1			3	3
3	Tsybin A.V. (magicdragon)	1	1	24		2
4	Pokrovskij A.A. (Sanyok05)	1	1	3		2
5	Siamionau V.S. (pe4enjush)	1					15	19
6	M (adilyam)	3					11	19
7	Bocharnikova A.A. (Aleena22)	3					15	18
8	Kropachev E.E. (JackZzzon)	2					15	18
9	Kakayateberaznitsa (neivanere)	1					13	16
10	Endal'tseva S.E. (dixomia)	1					13	16
11	Korolyov V.V. (CHOTKIY)	1					13	15
12	Kalinkina M.K. (Kalinka_Ma)	1					8	14
13	Zoo (zookeeper)	1					12	13
14	Golydbina K.A. (kk021004)	1					7	13
15	Gar'kusha (ivan_3337)	1					10	12
16	awd W.A. (EldarOmurzakov)	2					8	11
17	KhOZYaINOVA I.N. (InKh)	1					6	10
18	Borodin A. (Rignar)	1					7	9
19	Sidorenko (Junior_Explorer)	1					6	8
20	Sadomtsev A. (Artemucho)	2					5	8
21	A (JohnnyData)	1					5	8
22	shende P.A. (pranav_07)	3					6	7
23	Pathak A. (ananya221107)	2					ban	ban
24	Nasonkova (Svetlnas)	1					6	7
25	Korionova P.D. (Karina_fox_777)	1					6	7
26	Martirosyan M. (Marrty)	1					6	7
27	Pankova A. (AnnaPankova)	2					5	7
28	Tarasova M.A. (milana88)	1					4	7
29	Akimova E.N. (Katrin_A91)	1					4	6
30	Kulikov A.Yu. (Ondrata)	1					4	6
31	Levin Yu.A. (pdestroyer)	1					4	6
32	Kupriyanova P.A. (@poluchku)	2					3	6
33	Kazantsev V.D. (kentiko_0)	2					ban	ban
34	Berseneva T.M. (Bersa_3785)	1					3	6
35	Lcdma (LCDM138)	1					3	6
36	Izotikova A.A. (aosoxo)	2					5	5
37	Spirina T.S. (spirina-ts)	1					5	5
38	Vachikova I. (Piramidka)	1					5	5
39	Galitskiy V.V. (Salai)	1					5	5
40	Saukin U. (novichok_PA)	1					5	5
41	Veshnyakova (DanaVesh55)	2					4	5
42	Malo A. (meyhom_2)	1					4	5
43	Borisov D.R. (Dmitry.Bo)	2					3	5
44	Kanunnikov P.V. (Inoj777)	1					3	5
45	Shakhova M. (maydaymeow)	1					3	5
46	Saryglar (Daryma)	1					3	5
47	Galanov V.Y. (RedRitter)	1					3	5
48	Zubkov D. (Dm54)	1					2	5
49	Porshukov N.Y. (Nik322)	1					4	4
50	_ _._. (rrl)	1					4	4
51	Waghare A.S. (Aatharva)	1					3	4
52	cedar (cedar_stone)	1					3	4
53	Ibragimov (RobBot1337)	1					3	4
54	Nikulenko P.A. (Flower1001)	1					2	4
55	Maksimov (SQLlearninginging)	1					2	4
56	Mark D.D. (Backstrickboy)	2					3	3
57	Babushki S. (gnomz)	2					3	3
58	Chapleeva A.M. (chapllucky)	1					3	3
59	Uskov A. (suptrix)	1					3	3
60	Kuriga T.A. (eco.kuriga)	1					2	3
61	Kameneva (kristachak)	1					2	3
62	penkova (sonya3)	1					2	3
63	Lyakh (LinaL_)	1					2	3
64	doka T.Z. (sae6)	1					2	3
65	Korolev R.V. (zouker)	2					1	3
66	Vakulko A.V. (VAlexandrV)	1					1	3
67	Zlatoust A. (Anatoly24)	1					2	2
68	Krupin M.A. (ma.krupin)	1					2	2
69	Shirisha K. (Potti Shirisha)	1					2	2
70	lamer (-lamer-)	1					2	2
71	Pokshin V. (Optimiss58)	1					2	2
72	Bonjovi (bomjour111)	1					2	2
73	Zyuzyupupuk P.K. (@mutagen00)	3					1	2
74	Ulybyshev A.A. (Alex__Lime)	2					1	2
75	Savenko (olalasavenko)	2					1	2
76	Sultanayeva (Lowlights)	2					1	2
77	Langlits (milkeyway)	2					ban	ban
78	Kumar M. (waifo)	1					1	2
79	Pegov S.S. (Sergey_Pegov)	1					1	2
80	Gasimov (Beyond9)	1					1	2
81	Gornostaev V.V. (VadimGorn)	1					1	2
82	Zabavnikova U.A. (ulyazabavnikova)	1					1	2
83	Urakina K. (Ksu774)	1					1	2
84	Chumachenko N. (Nadia_Chumachenko)	1					1	2
85	Bekturganova A. (Aqerke1)	2					1	1
86	Bryukhanov A.N. (Antonus)	1					1	1
87	Kurakin (billir)	1					1	1
88	kkk K.K. (l_sql_god_l)	1					1	1
89	Fyodorov I.P. (Kega)	1					1	1
90	a A.A. (rdctfvygbuhjnk)	1					1	1
91	Ivanov (Ginger12)	1					1	1
92	KA (idounderstand)	1					1	1
93	vvvv (vvvvd)	4
94	Frolov K.A. (Murderface_)	3
95	Leschenko (Verochka_21)	3
96	Petrova K.A. (Korollina234)	3
97	Shibaev (saah)	2
98	Voronov D. (Elnov.70)	2
99	Skokov B.S. (leks$$)	2
100	Belyakov (ilikedarkblue)	2
101	Nakonechnaya V.S. (Zarela)	2
102	Simonov A. (Aleksandr24214)	2
103	SecondName (enisey_n)	2					ban	ban
104	Sipulina A.N. (HanLim)	2
105	Kurochkin P.A. (qwrqwr)	1
106	Krasovskij E.A. (pegoopik)	1
107	Altashin S.V. (burrito)	1
108	Koptel'tsev V. (selber)	1
109	Pol (Yaroslav Poltavskij)	1
110	Sergeev V. (32b)	1
111	Gr L. (Metalize)	1
112	Abdulmanapov A. (Dvarik)	1
113	Trdeszha (trdeszhka)	1
114	Simonyan D. (Nnumby)	1
115	Yakubova (Alinaaaaa)	1
116	Kryuchkov P.S. (S69hdkkrk)	1
117	Morshnev (Saarnaaja)	1
118	Minyurov E. (m.evgeniy)	1
119	Verem'ev (Hotkey)	1
120	Ulybin (tanderug)	1
121	Bojarsky A. (bojyone1)	1
122	Lomakin A.I. (goregrinde)	1
123	Tsay S. (Sergey Ts.)	1
124	Komarov A.N. (Shveda Saulya)	1
125	Khabibullin B. (whiteb)	1
126	Noskov R.E. (Angelorn)	1
127	Ti (Ost2020)	1
128	Safronov (tyapa)	1
129	Kartashov D. (krtsh)	1					ban	ban
130	Netyaga S. (sweta_Net)	1
131	Zavalyuk A. (Kolbasyatinz)	1
132	Makarov S.M. (MakarovSG)	1
133	Piotka V. (Pilotich)	1					ban	ban
134	xiao (xiao shi)	1
135	Volskas (+Vesna)	1
136	Rustamova S.R. (Alexrusso2003)	1
137	Chvikova A.M. (Chvikova)	1
138	Terekhov I.E. (foxboy)	1
139	Silushina (Silaa)	1
140	Nuradinov U. (urasan)	1
141	Zajnutdinov R.R. (Allezzio)	1
142	A V.V. (Aver999)	1
143	Strunnikova K.E. (WasabiFox)	1					ban	ban
144	Sarkis'yan G. (gennadi_s)	1
145	ss A.S. (SashaSS)	1
146	Bazargarmaev A.Ch. (Amurchick)	1
147	Rodin (uoloki)	1
148	Konogorskij L.E. (konogorsky Leo)	1
149	Darkkholm V. (DarkHolm)	1
150	F (coslicoc)	1
151	Raimzhan uulu Z.R. (Zhakshylyk)	1
152	Surkov A.V. (ElatedM1nd)	1
153	Kondrat'ev A.D. (Drowfard34)	1
154	Odegov A.I. (KovroLitik)	1
155	R. (Wra1th)	1
156	Achkasova O. (Sivejn)	1
157	AKI C. (caroline_py)	1
158	Muratov D.A. (Enovostuck)	1
159	Lyapin M.N. (Vakrihama)	1
160	Lysykh V.K. (Usilitel')	1
161	DEMYANENKA (SVETLANA1311)	1					ban	ban
162	Gusev A. (Aleks_GG)	1
163	Novitskaya A.A. (arinanow)	1					ban	ban
164	Velichenkov D.A. (Galotane)	1					ban	ban
165	Kolesnikov S.O. (bulbasaurus)	1
166	Abramov V. (Ichigo Kurosaki)	1
167	Odnokurtsev (AlFochino)	1
168	Gladkikh V.A. (vgladkih)	1
169	Khaziev (jiesoryb)	1					ban	ban
170	Stytsyuk N. (natalia19930420)	1
171	Zavodova (catherine_zavodova)	1
172	Some B. (SilentDragon)	1
173	Pavlinov D. (danil_panamera)	1					ban	ban
174	Evgen'ev (gek_c)	1
175	Burmatova D.M. (ymerotvareniiya)	1
176	Ponomarev M.P. (MatveyF)	1
177	Pushkarev S. (PSV_n)	1
178	Sedakov M. (gamigami)	1
179	Fomina (Julia25!)	1
180	Savchenko V.P. (Vladislav11111)	1
181	Nhane S.M. (Sujal)	1
182	Burtonov A.V. (tak to)	1					ban	ban
183	- V. (Varabi)	1
184	Voronets A.Y. (AvdeyVoronets)	1
185	Umarova (ChelseaBlue)	1
186	Akopyan K.G. (Karlen)	1
187	Tienka E. (Eva.tienca)	1
188	Zlomanova M. (mzlomanova)	1
189	Ageeva (Ush1m1ya)	1
190	Filippov N. (Niik0laii)	1
191	New R.G. (newLogin)	1
192	Serbul T. (horirisasimi)	1
193	Mathematicienne (Mathematicien)	1
194	Chvanova E.S. (Brennivin)	1
195	Kosatkin P. (PaulTronix)	1
196	Li F. (Lili_France)	1
197	Istomin M.F. (MichaelIst)	1
198	Kudryavtsev V.O. (VladKudr)	1
199	tikiriki1 (tikiriki)	1
200	Filimonov I.V. (Limo1111)	1
201	Navitskas A. (Sana451)	1
202	Zhukov (0xrobotics)	1
203	K A.G. (SQLHARD)	1
204	Kapanin D.A. (777flint777)	1
205	Misevich (Lutien)	1
206	Krasnousov M.K. (rapsodm)	1
207	Panteleeva A.S. (sy4)	1
208	Salakhova G.F. (Gulzzzya)	1
209	Maznin K.V. (Zik-zak)	1
210	Gruzdov D.A. (gruzdik_1)	1
211	Abilmazhitova (pandur)	1
212	Unregistered	28

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