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August 12, 18:37 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	Kirigiri R.K. (XNoirX)	1			3	3	10	16
2	Alina (alinakesareva)	1			1	1
3	Gudkova E.S. (katufa06)	1					24	37
4	Kravchenko P.V. (cirilohysP)	1					15	18
5	Abramov A.E. (aleqseij)	1					15	18
6	Ban'kin I. (lenivaya_taksa)	1					14	17
7	Lomakina (lomchik)	2					10	17
8	Kravtsova M.I. (k_marina89)	1					12	16
9	Mkts M.M. (Mkts)	1					11	15
10	Kul (Amkul)	1					11	15
11	Bezhnar A.I. (artikius)	2					8	14
12	Izumovich R. (izuuum)	1					9	13
13	K (archeee9)	3					9	12
14	Gadling A.V. (ARY4N)	1					9	12
15	Bajbikova D.R. (Daniche)	1					8	12
16	Po O. (ezhikfuf1)	1					11	11
17	Ol'khovskij M. (l0stmates)	2					8	11
18	Kim V.V. (Victory13KiVi)	1					9	10
19	Waghare A.S. (Aatharva)	1					6	10
20	Vakulko A.V. (VAlexandrV)	1					5	10
21	Dima D. (MrForestPro)	3					7	9
22	Ilina N. (lkjahfjkseb)	2					6	9
23	Gavrichenko M. (remw8l)	1					5	9
24	Tynybekova G.R. (Gulaisha)	1					8	8
25	Gurav K.A. (Kunjangurav20)	2					ban	ban
26	Mel'nik A.A. (brn2d)	1					6	7
27	Abramenkova (muroni)	1					5	7
28	Levin Yu.A. (pdestroyer)	1					4	7
29	Bocharnikova A.A. (Lliona)	1					4	7
30	Ivanov R.A. (RoGad)	1					4	7
31	Ne R. (maddena)	2					6	6
32	Umarova (ChelseaBlue)	1					6	6
33	choudhary L.R. (lipakshi)	1					5	6
34	Vorob'yaninov I.M. (KisaVorobey)	2					4	6
35	Astrelina D. (smiling_corgi)	1					4	6
36	Saryglar (Daryma)	1					4	6
37	Andreevskij A.A. (Alkvemary)	2					3	6
38	Levina A. (Anisiam)	1					3	6
39	Romanov A.A. (andromus)	1					3	6
40	sqlex (LIQUID_HORSE)	1					5	5
41	M (Ilya Marin)	1					5	5
42	Efanov Z.V. (zakharef)	1					5	5
43	Petrov M. (Kozyapkin)	1					5	5
44	Ganiullin A.M. (Zer7or)	1					3	5
45	Kitaev K.I. (Kostas1234)	1					3	5
46	Hehe J.F. (umbar1234556)	1					3	5
47	Sadretdinov G.Sh. (GalimS)	1					4	4
48	Dolgopolova A.Kh. (sour_dinosaur)	1					4	4
49	Glavatskikh K.V. (ksu glaw)	2					3	4
50	Matroskin K.F. (PseudoNim1)	1					3	4
51	penkova (sonya3)	2					2	4
52	Altashin S.V. (burrito)	1					2	4
53	Woland (Wolandd)	1					2	4
54	A (Red__cat)	1					2	4
55	Deryagina V. (Valeria_deryagina)	1					2	4
56	Bochkova (AnyaBo)	1					2	4
57	Kydyrov S. (SultanBeybars)	1					2	4
58	Zakharov (svyyy)	1					2	4
59	Strogonov M. (maxstrog)	1					2	4
60	Arzamastseva A.A. (Kiissik)	1					3	3
61	Landaeva D.N. (daxa228)	1					3	3
62	Yurievich (yuri.y)	2					2	3
63	Skorzhevskaya M.A. (Maylin_03)	1					2	3
64	cedar (cedar_stone)	1					2	3
65	Lyakh (LinaL_)	1					2	3
66	Zhuravlyov D. (banditto63)	1					2	3
67	Smith S. (sam.smith)	1					1	3
68	Malo A. (meyhom_2)	2					2	2
69	Khusnutdinov D.D. (Abdulxamid)	1					2	2
70	Antonova (Elena_No)	1					2	2
71	Shapovalova V. (vesha13)	1					2	2
72	Murat I. (Inzhu_murat13)	1					2	2
73	Lesnikova S. (sandjesser)	1					2	2
74	Mikaya (Gio9248)	3					1	2
75	Stytsyuk N. (natalia19930420)	3					1	2
76	Khakimova M.R. (MavjudaHakimova)	3					1	2
77	Semenikhin D.A. (Gennadij Smirnov)	2					ban	ban
78	Muratov D.A. (Enovostuck)	2					1	2
79	Urakina K. (Ksu774)	2					1	2
80	Strilenko (Liamorte)	2					1	2
81	Aslan O. (ok74y)	2					1	2
82	Khaliullov R. (Robbert173)	2					1	2
83	Dzhamaldinov M. (Benediktof)	1					1	2
84	Drozd V. (droozzd)	1					1	2
85	Valov D.A. (wall low)	1					1	2
86	Kudryavceva (pgadmin)	1					1	2
87	Koentrau F. (buylow)	1					1	2
88	Goldobin E.G. (prm259)	1					1	2
89	Ivanova (nahi1)	1					1	2
90	Zubkov D. (Dm54)	1					1	2
91	Kornilaev D.I. (mayson241)	1					1	2
92	Bawane H.U. (Harsh_18)	1					ban	ban
93	Borisov D.R. (Dmitry.Bo)	1					1	2
94	Svetoslavov A.S. (nasko_vas)	2					1	1
95	Zubar' D. (befree)	1					1	1
96	moskvina (111m)	1					ban	ban
97	Bondarenko R.O. (Bondarenko R.)	1					1	1
98	Sairanbek D. . (sairanbek_darkhan)	1					1	1
99	1 (Archontos)	1					1	1
100	Pushkarev S. (PSV_n)	1					1	1
101	Balpande V.K. (Vedantiiii)	1					1	1
102	Budanin A.A. (Budanin_A)	7
103	Krasovskij E.A. (pegoopik)	3
104	Koptel'tsev V. (selber)	3
105	Sarkis'yan G. (gennadi_s)	3
106	Shibaev (saah)	2
107	Elkin V. (VasyaSmily)	2
108	Peshkov M.P. (Maksim_89)	2
109	Skokov B.S. (leks$$)	2
110	Klyavlin V.S. (laliawe)	2
111	Petrov O.N. (Reshala295)	2
112	Zabavnikova U.A. (ulyazabavnikova)	2
113	Patil T.N. (Tanay070607)	2					ban	ban
114	Lokhande H.T. (harshlokhande07)	2					ban	ban
115	Khorunzhij E.A. (wuwuqw)	2
116	Asyl A.A. (Asylbek00)	2
117	Borisenkov D.V. (xuser)	1
118	Petrov D.B. (GiBis)	1
119	Kurochkin P.A. (qwrqwr)	1
120	Sozinov S.S. (SozinovSS)	1
121	Polyakov V.M. (rock_4)	1
122	Sigankov V.I. (vasilyvanc)	1
123	Petrov (Steamboat)	1
124	Gitinomagomedov (gmansur88)	1
125	Schetinina (_Viktoriya)	1
126	Andreev M.A. (MaxAlex)	1
127	Galkin S.S. (Galkin Sergey)	1
128	Astrelina A.A. (kardigan)	1
129	Koshkin D.V. (lookatkoshkin1)	1
130	Shishkova E. (norta)	1
131	Arbuzov M.V. (RoughH)	1
132	Shikovets A.D. (Fortune88)	1
133	Tsay S. (Sergey Ts.)	1
134	Ivanik Yu.I. (Juzik)	1
135	Belousov S.S. (PINDJ)	1
136	Gumenyuk (gumenyuk)	1
137	Zalilov R.R. (ruslanrad1)	1
138	Shpakovskiy R. (romachash)	1
139	Lisyanskii (Gr1g0r1us)	1
140	Zhuravlev E. (LuckyHamster.)	1
141	band B. (bantly)	1
142	123 1.1. (romantic_lucky)	1
143	Saidov I. (igor_1993)	1
144	An V.D. (SugarVladic)	1					ban	ban
145	Vyroubalova (Imhelena)	1
146	Luzanov (alex_wind)	1
147	Dubrovina O.A. (olesyadubro)	1
148	Yolguin A. (qqqq129387)	1
149	Tkachenko D. (_GUERNIKA_)	1
150	Schur A. (Asure)	1
151	Tsybin A.V. (magicdragon)	1
152	Karlein M.V. (KVR3L1V)	1
153	Ivanov (Pavel9494)	1
154	Kuz'min (YACK-OFF)	1
155	Dogadov S.V. (Serzho)	1
156	Monchenko E.V. (mrWolchau)	1
157	bukharbaev (ShaGit)	1
158	Khamzov Kh. (Hamz)	1					ban	ban
159	Novichkov S.S. (sql_rex)	1
160	ss A.S. (SashaSS)	1
161	Bykov (sky-shore)	1
162	Dmitriev N.V. (Son1do)	1
163	Sabirov R.R. (Impress03)	1					ban	ban
164	akimat A.Z. (akimatovskiii)	1
165	Buzin V.A. (Skelen__)	1
166	Rodin (uoloki)	1
167	Yanitskaya A.D. (bbllvckk)	1
168	Muthukrishnan A. (Agal13)	1
169	Kornev (ifuzy)	1
170	Selikhov (Denis31337)	1
171	galya (redmadcutiee)	1
172	Bochkarev S.V. (SA_BSV)	1
173	R. (Wra1th)	1
174	Nik (nikvip)	1
175	grenkast G.G. (Juzzeast)	1
176	Chernyshov (Chernik4)	1
177	Lysykh V.K. (Usilitel')	1
178	Akameeva S.V. (SVA1)	1
179	Morozova P.D. (mat_harp)	1
180	Krikunov V.V. (Krikunov_Vitalik)	1
181	B (gimmedakup)	1
182	Odnokurtsev (AlFochino)	1
183	Mokhov K.A. (Kosta1123)	1
184	Sofonov A. (michael_kaiser)	1
185	Lebedev (Ponchik2021)	1
186	Chernenko (Schwartz_max)	1
187	Ibo K. (Kemchik)	1
188	Bogatyrev N.V. (BNV2873)	1					ban	ban
189	Samokhina A.A. (Ania Nel)	1
190	Nikolaev A.I. (Barolik)	1
191	Evgen'ev (gek_c)	1
192	Vardanyan Zh.A. (z.vardi)	1
193	Murat M. (murat_mukhammed)	1
194	Ponomarev M.P. (MatveyF)	1
195	Korablev V. (vikkor)	1
196	Dem'yanenko P.V. (Drugan174)	1
197	Tat'yana Ch. (LukiTat)	1
198	piopio5 (piopio5)	1
199	Kazantsev V.D. (kentiko_0)	1					ban	ban
200	Pugacheva A. (pugacheva)	1
201	Bessolitsyn I.V. (igor2338)	1
202	Sukhadeve N.R. (Nitin1710)	1
203	Nhane S.M. (Sujal)	1
204	okate T.G. (Tanishq)	1
205	Burtonov A.V. (tak to)	1					ban	ban
206	Sulejmanov T.A. (hellcat_88)	1
207	Avdeeva D.A. (daryaayrad)	1
208	Khvoshchev S. (VIXS1512)	1
209	Klimenko E.A. (LenaKlimenko)	1
210	Zlomanova M. (mzlomanova)	1
211	Cherov V.A. (GroveS)	1
212	Orazaliev E.S. (AkameEW)	1
213	Konovalov I.V. (Ilyatop1gg)	1
214	Uzdyaev V.E. (UVE2303)	1
215	Egenij A.R. (xsilam_0)	1
216	Ageeva (Ush1m1ya)	1
217	akul E. (lizockakolo)	1
218	Al (KirAP365)	1
219	Yavetskij E.V. (crazyjo)	1
220	Krakovskij (uity)	1
221	pathak A. (ananya_789)	1
222	Yosifov R.S. (rado567)	1
223	Kudryavtsev A.R. (Artem Kud)	1
224	Young A. (Alex_Young)	1
225	Lukin G.A. (GlebLukin)	1
226	Katerushin M.E. (mkater)	1
227	Krenev M. (Izver)	1
228	Unregistered	32

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