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October 06, 12:03 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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SQL exercises

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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	Sh S. (junopark1)	2	1	35		3
2	Tsybin A.V. (magicdragon)	1	1	46		2
3	Sedov (ha0ha)	1			1	1	1	1
4	Kobdabayeva G.M. (kobdabayeva)	1			1	1
5	Yakh'yarov T.E. (mountsin)	2					20	31
6	Bekmaganbet K. (Bekmaganbet)	3					15	25
7	Gadel'shina V.D. (GadelshinaVD)	1					ban	ban
8	Kolganat A.S. (Kolganat)	1					14	21
9	Esmagambetov R.S. (vaf2121)	1					13	20
10	Sundukov M.S. (Maxim@#123)	2					11	15
11	Egamov B.A. (Bulat Egamov)	1					10	15
12	Persikov T. (Toni6767)	2					8	14
13	Grebenyukov S. (OstapGreb)	1					8	14
14	Borovinskij A.A. (SourceHunter)	1					10	13
15	eqweqw Q.E. (weomeoww)	2					9	13
16	Efimov K.B. (Lekr_Reborn)	3					9	12
17	BOGDAN (baga228000)	1					9	12
18	Skorokhodov (Batruk)	2					8	12
19	Kolbaev (Veaablok)	2					7	12
20	Evloev A.K. (XauBit)	1					6	10
21	Zainullin O. (Zainullin)	1					6	9
22	Khabibullina K.A. (tokll)	2					5	9
23	Sporykhin (alexsp1702)	2					7	7
24	Lebedev G.A. (xeGalaxy)	1					7	7
25	Alekseev D.S. (snwr)	2					6	7
26	Y D. (Dan8045)	1					6	7
27	Seredin V.S. (JoDaH_JoEsTaR)	1					5	7
28	Bolatov S. (BolatovSanzhar)	1					4	7
29	Semenov (Zory123)	1					4	6
30	Limanskij A.D. (Lazy Loaf)	2					ban	ban
31	Kameneva N.P. (NataKam)	2					3	6
32	Stryapunin M.M. (Maksim_Stryapunin)	2					5	5
33	Sup B.A. (SqLSHi1)	2					5	5
34	Zosidze (Kate_Zosidze)	2					4	5
35	Kovalevich A.A. (annaKov)	1					3	5
36	Matyunin M. (Filleoos)	2					4	4
37	Trubitsin T.A. (SoTeNo4eK)	1					4	4
38	Masliev V.A. (vladnishe)	1					4	4
39	Zheludkov S. (zhsvyach)	2					2	4
40	Moskalevets O.S. (MoS5k8)	2					2	4
41	Sukhanov E.S. (stdnt091)	2					2	4
42	Alekseev D.S. (yubel2007)	1					2	4
43	Tsaryov I.A. (Tsar' prosto Tsar')	1					2	4
44	Markin N. (Qmaro)	2					ban	ban
45	Khakimullina G. (gul25)	1					3	3
46	Kh (AntKh333)	1					3	3
47	Boriskin I.E. (igor_egorovich79)	1					3	3
48	Zheleznov E.G. (FRED!)	2					2	3
49	Sofronov A. (SAstrateg)	1					2	3
50	Ancherbak M. (Mariya231226)	2					2	2
51	Zhabina I.S. (Irina Zhabina)	2					1	2
52	Ivanova O.N. (olga_ivanova)	1					1	2
53	Nikolaev A.N. (AlexeyHeizenberg)	1					ban	ban
54	J (AleksandrExists)	1					1	2
55	Mironenko O. (Ol'ga Miro)	1					1	2
56	Yolokhov (fazzone)	1					1	2
57	Sutygina O.A. (S.O.A)	1					1	2
58	Liviu (botez_liviu)	2					ban	ban
59	Shagalov O.L. (TTC)	2					1	1
60	Blinov (blinoff)	1					1	1
61	Alafaev M.K. (Zero_7692)	1					ban	ban
62	Chertoryzhskij V. (vepb)	1					1	1
63	Gajfullina (tavi777)	1					1	1
64	Krisanova (Nastya_Lyuban'ko)	1					ban	ban
65	Naumov I.T. (Elizardxin)	1					1	1
66	Li G. (Ga22)	5
67	Romanchuk I.A. (ial.romanchuk)	3
68	Lebedeva A.R. (Leb_Nastya)	3
69	Asfur I. (BarbiePink)	3
70	... .... (Student2026)	3
71	Krasovskij E.A. (pegoopik)	2
72	Ramasamy B.M. (blamrugan)	2
73	Pushnoj (arkah)	2					ban	ban
74	Geras'kina N.S. (nadyagera)	2
75	Zakharov P.V. (petruha74)	2
76	Sarkis'yan G. (gennadi_s)	2
77	Zharkov O.E. (Tvoy_OLEZHA)	2
78	P I.*. (IrinaPetr)	2
79	Khakhulina E.V. (Akulina)	2
80	Turchuk A.V. (Anastasiya_Turchuk)	2
81	Nasyrkina E. (eleonnora12)	2					ban	ban
82	Filippova S.Yu. (ernest_sds)	2
83	Smirnov A.E. (sa2sha)	2
84	ufd K.F. (kettle23)	2
85	Vyal'tsev G.F. (Jiu)	2
86	Rokzhov S.A. (paradoks829)	2
87	Selivankin M.V. (MikhailSelivankin)	2
88	Strakhova V.E. (VLDST)	2
89	Filippkin D.V. (_dimon_)	1
90	Koptel'tsev V. (selber)	1
91	Ershov A.S. (ershovas)	1
92	Vinogradova S.M. (Tigra1)	1
93	Morozov A. (Aleksandrus)	1
94	Krasnov D.A. (BOTANYK)	1
95	Boldyreva A.A. (nastya-moreva)	1
96	Kuz'min A. (swk1)	1
97	Chufistov A. (ats54)	1
98	Adeshkin V. (flowpy)	1
99	Mikheeva A.A. (Anzhelica.m)	1
100	Avdeenko I. (Igor_001)	1
101	Scherbakov (Evgenij Sch)	1
102	Mitrey (_mitrey)	1
103	Ibragimova S. (SFIA)	1
104	Krupko E.L. (Krupko)	1
105	Terekhov I.E. (foxboy)	1
106	Akhmadeeva A.M. (Aisbab)	1
107	khekh (imorosa)	1
108	Potemkin (Yazon_79)	1
109	Limanskij A.D. (S1nya)	1					ban	ban
110	Malkov (11Evgen11)	1
111	Lobanov G. (gl_037)	1
112	Gorbachev P.I. (Felichitahuelichita)	1					ban	ban
113	Yunusov (imizakas)	1
114	Tul'chinskij A.T. (D1ppy1)	1					ban	ban
115	Kushev V.O. (V_Kushev)	1
116	R. (Wra1th)	1
117	Ivanov M.M. (mihailraketa99)	1
118	Starodubtseva I. (last_ochka)	1					ban	ban
119	Biru (vika22121)	1
120	Akameeva S.V. (SVA1)	1
121	Abramov V. (Ichigo Kurosaki)	1
122	Kovalevskij P.V. (soulshon)	1
123	Safronov P.A. (Paulus73)	1
124	Vazhenin I.V. (vazhenin_i)	1
125	Konstantinov A.E. (Kalindell)	1
126	Ponomarenko N.G. (FLENDSPACE)	1
127	Serov A.E. (ario25)	1
128	Ivanov (valerza)	1
129	Smirnov A. (Antoxa_S)	1
130	Sobachkin A.F. (Al_Wolf)	1
131	Apashkina M.A. (Marina Apashkina)	1
132	Berseneva T.M. (Bersa_3785)	1
133	Borisov V.S. (narcopolo)	1
134	Faradzhov (Aslan Farad)	1
135	Kanetskij A.M. (ancami)	1
136	Amirov A.A. (Pablo67)	1					ban	ban
137	Gajnutdinov (AiratG)	1
138	savchenkoam.92 A.M. (textsamxman)	1
139	Borisenko P.A. (BoPolli)	1
140	Mishenev M.M. (Mishenev Mikhail)	1
141	Faskhutdinov A.A. (sfiler)	1
142	Popova D.D. (popovadarya27)	1
143	Andryukov E.A. (NeznauKakoiPsevd)	1
144	Usachev A.A. (etot33)	1
145	Akhmadov M.A. (AkhmadovM)	1
146	Glotov E.I. (Ellis_Rockwell)	1
147	Pereskokova K.A. (karushhh)	1
148	Yaroslav E.A. (zon23)	1
149	Nasikhov T.R. (neefe4ka)	1
150	sov M.I. (mesov)	1
151	Kubasov D.M. (DenisDM348)	1
152	Ivanov A.N. (0k1s)	1
153	brusliev A.K. (medved:L)	1
154	chchch Ya.S. (poglaschennayaya dusha)	1
155	ufyif O.G. (McQweenn)	1
156	Guslyakova V.A. (Guslyakova Varya)	1
157	Smirnova S.A. (soffi_toffi)	1
158	Aleksandrova E.A. (Ved1ma4ka)	1
159	kaltaj A.R. (araja2)	1
160	Chernyshova A.V. (alex_chern)	1
161	Dobrova A.A. (A-nik-A)	1
162	Kushnerova S. (uxitanq)	1
163	Sav H. (Master83_65)	1
164	KARTOFELL K. (KARTOFEL1999)	1
165	Nizen K.E. (kristmys)	1
166	Elistratova (Yana)	1
167	Kalmagambetov A.R. (kaliax)	1
168	Tsylin D.S. (Duncan777)	1
169	Kornev M.A. (kosha_rm)	1
170	Vinogradov R.A. (RomanV22)	1
171	Abbasov R.I. (Ramilzavr)	1
172	Kovtun (analyst_evp)	1
173	Kovrizhnykh V.D. (Kovrizhnykh)	1
174	Buzmakova (N1k@)	1
175	Unregistered	20

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