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August 19, 18:51 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	Kolesnikov D. (KolesDimit)	1					ban	ban
6	M (adilyam)	3					14	24
7	Siamionau V.S. (pe4enjush)	1					15	19
8	Bocharnikova A.A. (Aleena22)	3					15	18
9	Kropachev E.E. (JackZzzon)	2					15	18
10	Kakayateberaznitsa (neivanere)	1					13	16
11	Endal'tseva S.E. (dixomia)	1					13	16
12	Korolyov V.V. (CHOTKIY)	1					13	15
13	Kalinkina M.K. (Kalinka_Ma)	1					8	14
14	Zoo (zookeeper)	1					12	13
15	Golydbina K.A. (kk021004)	1					7	13
16	Gar'kusha (ivan_3337)	1					10	12
17	Levin Yu.A. (pdestroyer)	2					7	12
18	awd W.A. (EldarOmurzakov)	2					8	11
19	Gran (isve)	1					8	11
20	Mkts M.M. (Mkts)	1					7	11
21	Maksimov (SQLlearninginging)	1					6	11
22	Tverdokhlebov D.S. (Danil_Bread)	1					8	10
23	KhOZYaINOVA I.N. (InKh)	1					6	10
24	Chapleeva A.M. (chapllucky)	2					9	9
25	Veshnyakova (DanaVesh55)	2					7	9
26	Bekturganova A. (Aqerke1)	2					7	9
27	Borodin A. (Rignar)	1					7	9
28	Borisov D.R. (Dmitry.Bo)	2					5	9
29	Sidorenko (Junior_Explorer)	1					6	8
30	Sadomtsev A. (Artemucho)	2					5	8
31	Akimova E.N. (Katrin_A91)	1					5	8
32	A (JohnnyData)	1					5	8
33	shende P.A. (pranav_07)	3					6	7
34	Pathak A. (ananya221107)	2					ban	ban
35	Nasonkova (Svetlnas)	1					6	7
36	Korionova P.D. (Karina_fox_777)	1					6	7
37	Martirosyan M. (Marrty)	1					6	7
38	Radionov (fraster17)	1					6	7
39	Bonjovi (bomjour111)	1					6	7
40	Pankova A. (AnnaPankova)	2					5	7
41	Lcdma (LCDM138)	1					4	7
42	Tarasova M.A. (milana88)	1					4	7
43	Sergeev K. (sergeevkst9898)	1					5	6
44	Kulikov A.Yu. (Ondrata)	1					4	6
45	Kupriyanova P.A. (@poluchku)	2					3	6
46	Kazantsev V.D. (kentiko_0)	2					ban	ban
47	Berseneva T.M. (Bersa_3785)	2					3	6
48	Zabavnikova U.A. (ulyazabavnikova)	1					3	6
49	Izotikova A.A. (aosoxo)	2					5	5
50	Spirina T.S. (spirina-ts)	1					5	5
51	Vachikova I. (Piramidka)	1					5	5
52	Galitskiy V.V. (Salai)	1					5	5
53	Saukin U. (novichok_PA)	1					5	5
54	Mark D.D. (Backstrickboy)	2					4	5
55	Krupin M.A. (ma.krupin)	2					4	5
56	Malo A. (meyhom_2)	1					4	5
57	Ulybyshev A.A. (Alex__Lime)	2					3	5
58	Saryglar (Daryma)	2					3	5
59	Kanunnikov P.V. (Inoj777)	1					3	5
60	Shakhova M. (maydaymeow)	1					3	5
61	Strilenko (Liamorte)	1					3	5
62	Galanov V.Y. (RedRitter)	1					3	5
63	Zubkov D. (Dm54)	1					2	5
64	Zlatoust A. (Anatoly24)	2					4	4
65	Babushki S. (gnomz)	2					4	4
66	Porshukov N.Y. (Nik322)	1					4	4
67	_ _._. (rrl)	1					4	4
68	ova (permission_d)	2					3	4
69	Bryukhanov A.N. (Antonus)	1					3	4
70	Waghare A.S. (Aatharva)	1					3	4
71	cedar (cedar_stone)	1					3	4
72	Ibragimov (RobBot1337)	1					3	4
73	Nikulenko P.A. (Flower1001)	1					2	4
74	Uskov A. (suptrix)	1					3	3
75	D L.L. (Amalphy)	1					3	3
76	Kuriga T.A. (eco.kuriga)	1					2	3
77	Kameneva (kristachak)	1					2	3
78	penkova (sonya3)	1					2	3
79	Lyakh (LinaL_)	1					2	3
80	doka T.Z. (sae6)	1					2	3
81	Korolev R.V. (zouker)	2					1	3
82	Vakulko A.V. (VAlexandrV)	1					1	3
83	Shapiro D. (xx_Da_Sha_xx)	1					2	2
84	Shirisha K. (Potti Shirisha)	1					2	2
85	lamer (-lamer-)	1					2	2
86	Pokshin V. (Optimiss58)	1					2	2
87	Zyuzyupupuk P.K. (@mutagen00)	4					1	2
88	Savenko (olalasavenko)	2					1	2
89	Sultanayeva (Lowlights)	2					1	2
90	Langlits (milkeyway)	2					ban	ban
91	Kumar M. (waifo)	1					1	2
92	Minyurov E. (m.evgeniy)	1					1	2
93	Pegov S.S. (Sergey_Pegov)	1					1	2
94	Gasimov (Beyond9)	1					1	2
95	Gornostaev V.V. (VadimGorn)	1					1	2
96	Ibo K. (Kemchik)	1					1	2
97	Urakina K. (Ksu774)	1					1	2
98	Korotkevich I.A. (somnambula)	1					1	2
99	Pupkin (ChK2026)	1					1	2
100	Kosatkin P. (PaulTronix)	1					1	2
101	Chumachenko N. (Nadia_Chumachenko)	1					1	2
102	Kudryavtsev V.O. (VladKudr)	1					1	2
103	Abilmazhitova (pandur)	2					1	1
104	Kurakin (billir)	1					1	1
105	kkk K.K. (l_sql_god_l)	1					1	1
106	Fyodorov I.P. (Kega)	1					1	1
107	a A.A. (rdctfvygbuhjnk)	1					1	1
108	Ivanov (Ginger12)	1					1	1
109	KA (idounderstand)	1					1	1
110	vvvv (vvvvd)	4
111	Frolov K.A. (Murderface_)	3
112	Leschenko (Verochka_21)	3
113	Petrova K.A. (Korollina234)	3
114	Shibaev (saah)	2
115	Koptel'tsev V. (selber)	2
116	Voronov D. (Elnov.70)	2
117	Komarov A.N. (Shveda Saulya)	2
118	Sarkis'yan G. (gennadi_s)	2
119	Skokov B.S. (leks$$)	2
120	Belyakov (ilikedarkblue)	2
121	Odegov A.I. (KovroLitik)	2
122	Nakonechnaya V.S. (Zarela)	2
123	Zozulya P.A. (Polechkaaa)	2
124	Simonov A. (Aleksandr24214)	2
125	Ageeva (Ush1m1ya)	2
126	New R.G. (newLogin)	2
127	SecondName (enisey_n)	2					ban	ban
128	yyyy N. (Nikkkikikik)	2
129	Sipulina A.N. (HanLim)	2
130	Kurochkin P.A. (qwrqwr)	1
131	Krasovskij E.A. (pegoopik)	1
132	Altashin S.V. (burrito)	1
133	Pol (Yaroslav Poltavskij)	1
134	Sergeev V. (32b)	1
135	Gr L. (Metalize)	1
136	Mamadrazakov (Azamat_M)	1
137	Abdulmanapov A. (Dvarik)	1
138	Trdeszha (trdeszhka)	1
139	Simonyan D. (Nnumby)	1
140	Vodolazova A.V. (Vodolla)	1
141	Yakubova (Alinaaaaa)	1
142	Kryuchkov P.S. (S69hdkkrk)	1
143	Morshnev (Saarnaaja)	1
144	Verem'ev (Hotkey)	1
145	Ulybin (tanderug)	1
146	Bojarsky A. (bojyone1)	1
147	Lomakin A.I. (goregrinde)	1
148	Tsay S. (Sergey Ts.)	1
149	Guseinov A. (Ali_G)	1
150	Khabibullin B. (whiteb)	1
151	Noskov R.E. (Angelorn)	1
152	Ti (Ost2020)	1
153	Safronov (tyapa)	1
154	Kartashov D. (krtsh)	1					ban	ban
155	Netyaga S. (sweta_Net)	1
156	Zavalyuk A. (Kolbasyatinz)	1
157	Makarov S.M. (MakarovSG)	1
158	Piotka V. (Pilotich)	1					ban	ban
159	xiao (xiao shi)	1
160	Volskas (+Vesna)	1
161	Rustamova S.R. (Alexrusso2003)	1
162	Chvikova A.M. (Chvikova)	1
163	G A. (anna_tutta)	1
164	Terekhov I.E. (foxboy)	1
165	Silushina (Silaa)	1
166	Nuradinov U. (urasan)	1
167	Zajnutdinov R.R. (Allezzio)	1
168	Nikiforova E.V. (sq_lena)	1
169	A V.V. (Aver999)	1
170	Strunnikova K.E. (WasabiFox)	1					ban	ban
171	ss A.S. (SashaSS)	1
172	Bazargarmaev A.Ch. (Amurchick)	1
173	Rodin (uoloki)	1
174	Konogorskij L.E. (konogorsky Leo)	1
175	Darkkholm V. (DarkHolm)	1
176	F (coslicoc)	1
177	Raimzhan uulu Z.R. (Zhakshylyk)	1
178	Surkov A.V. (ElatedM1nd)	1
179	Kondrat'ev A.D. (Drowfard34)	1
180	R. (Wra1th)	1
181	Achkasova O. (Sivejn)	1
182	AKI C. (caroline_py)	1
183	Muratov D.A. (Enovostuck)	1
184	Dajnes A.S. (hanNa_Coffee_lover)	1
185	Lyapin M.N. (Vakrihama)	1
186	Chetverukhina V.D. (reindeer121VC)	1
187	Lysykh V.K. (Usilitel')	1
188	DEMYANENKA (SVETLANA1311)	1					ban	ban
189	Gusev A. (Aleks_GG)	1
190	Novitskaya A.A. (arinanow)	1					ban	ban
191	Velichenkov D.A. (Galotane)	1					ban	ban
192	Kolesnikov S.O. (bulbasaurus)	1
193	Abramov V. (Ichigo Kurosaki)	1
194	Colov'ev I.A. (Solova125rus)	1
195	Krikunov V.V. (Krikunov_Vitalik)	1
196	Odnokurtsev (AlFochino)	1
197	Gladkikh V.A. (vgladkih)	1
198	Khaziev (jiesoryb)	1					ban	ban
199	Stytsyuk N. (natalia19930420)	1
200	Zavodova (catherine_zavodova)	1
201	Some B. (SilentDragon)	1
202	Pavlinov D. (danil_panamera)	1					ban	ban
203	Ivanova (nahi1)	1
204	Evgen'ev (gek_c)	1
205	E (neri)	1
206	Khakimova M.R. (MavjudaHakimova)	1
207	Burmatova D.M. (ymerotvareniiya)	1
208	Ponomarev M.P. (MatveyF)	1
209	Pushkarev S. (PSV_n)	1
210	Sedakov M. (gamigami)	1
211	Ermolaev R.G. (CryEngi)	1
212	Fomina (Julia25!)	1
213	Savchenko V.P. (Vladislav11111)	1
214	Nhane S.M. (Sujal)	1
215	Burtonov A.V. (tak to)	1					ban	ban
216	- V. (Varabi)	1
217	Voronets A.Y. (AvdeyVoronets)	1
218	edmond2 (edmond2)	1
219	Lezhnin A. (LagerBier)	1
220	Umarova (ChelseaBlue)	1
221	Rikardov (Rikardio)	1
222	Kol'tsova O.V. (Helga_Pataki)	1
223	aminchik A.A. (am1nch1k)	1
224	Akopyan K.G. (Karlen)	1
225	Tienka E. (Eva.tienca)	1
226	Zlomanova M. (mzlomanova)	1
227	Filippov N. (Niik0laii)	1
228	Serbul T. (horirisasimi)	1
229	Mathematicienne (Mathematicien)	1
230	Khafizov L.Z. (Lenarkhaf)	1
231	Chvanova E.S. (Brennivin)	1
232	Klyavlin V. (aurq)	1
233	Li F. (Lili_France)	1
234	Istomin M.F. (MichaelIst)	1
235	tikiriki1 (tikiriki)	1
236	Filimonov I.V. (Limo1111)	1
237	Navitskas A. (Sana451)	1
238	Zhukov (0xrobotics)	1
239	K A.G. (SQLHARD)	1
240	Kapanin D.A. (777flint777)	1
241	Misevich (Lutien)	1
242	Krasnousov M.K. (rapsodm)	1
243	Panteleeva A.S. (sy4)	1
244	Salakhova G.F. (Gulzzzya)	1
245	Maznin K.V. (Zik-zak)	1
246	Gruzdov D.A. (gruzdik_1)	1
247	Sumina K. (sumi08)	1
248	Bublikov A.G. (geterozis22)	1
249	D L. (Lilia D)	1
250	Unregistered	32

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