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January 13, 12:13 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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  • Rating on the exercise:
   enter No
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   enter factor

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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	Ivanov I.I. (rodriguezzz)	1			9	9
2	Ibragimov (Rinatr)	1			4	4
3	Yastrebov D.D. (Yakimori)	1			1	2
4	Chumilin (vchum)	2					20	27
5	Shiryaeva D.A. (Shiryaeva Dar'ya)	1					ban	ban
6	Malkevich D.A. (DenisMalkevich)	3					ban	ban
7	Lapka N. (Lapka5555)	1					15	18
8	Zabolonkov I.A. (sparsematrixxx)	1					15	18
9	Akrapovich A. (Zucchini)	2					12	14
10	Kim (tvxq)	1					11	13
11	Zajtseva M.Yu. (ritaz93)	1					9	12
12	Vasileva I.V. (Irinavasileva)	1					9	11
13	Kondratskij E.O. (Mr-Tukan)	1					7	11
14	Borovik A.V. (Stasicq)	3					9	10
15	Pasternak S.A. (BROUN)	2					8	9
16	Barmin I.A. (ilyatto)	1					7	9
17	Scherbakova O.V. (eco_oksana)	1					6	7
18	Doroshevich A.R. (Alexei2019)	1					4	7
19	A (BavAnn)	1					6	6
20	M (NM2025)	1					6	6
21	Grozovskij F.M. (mark_parserov)	1					4	6
22	Aliyev V. (Vussy)	1					4	6
23	Likhobabin A.B. (AlexL75)	1					3	6
24	Kim A. (HATTORI3)	1					3	6
25	Lukutova A.A. (Lukutok)	1					3	6
26	Besaeva D. (lordwar)	1					5	5
27	sagdiev A.R. (kekich1337)	1					5	5
28	Shujtsev D.Yu. (Denis123)	1					4	5
29	Gorokhova A.G. (aina_gr)	1					4	5
30	Khar'kovskaya E. (AlenaKh)	1					4	5
31	Trezlou (Anny Treslow)	1					3	5
32	Rodin M.Yu. (Maks8805)	1					3	5
33	Ermokhina (Fevy)	1					4	4
34	Levin E.A. (egor_oracle)	1					4	4
35	Ishkatov D. (JdocJ)	1					4	4
36	Ponomarenko K.N. (Oregiru)	1					4	4
37	Lebedeva S.A. (Silverino)	1					3	4
38	Gribova N.A. (Ketyta)	1					3	4
39	iakovlev (egociant1)	1					3	4
40	Semenov O.M. (Semenov Oleg)	1					2	4
41	Belyak (TheTester)	1					2	4
42	Kozlov A. (Antoa)	1					ban	ban
43	Voloshin V. (devildozen13)	1					2	4
44	maileducationn (de_test)	1					2	4
45	Nefed'eva (maryjim)	1					3	3
46	Potapova V.A. (malespero)	1					3	3
47	Mineev S.A. (tiropeftsql)	1					3	3
48	Averin A.A. (AverinAA)	1					3	3
49	Gorlyshkov M.S. (Smail)	1					3	3
50	Ermilova (Enotik29)	1					3	3
51	Makarov D. (Dmitriy Makarov)	1					2	3
52	Pan E.P. (katyapansql)	1					2	3
53	Lebedev V. (Lebedev_VV)	1					2	3
54	Politov P.V. (Avilon777)	1					2	3
55	Rezenov A.A. (WayneFarell)	1					2	3
56	Volskaya (mariya2398)	1					2	2
57	Zaramenskikh I. (seeeroy)	1					2	2
58	Kucherov A.A. (Arahnid)	1					1	2
59	Temirbolat Z. (1cY)	1					1	2
60	Zamotajlo A.A. (Zamelo)	1					1	2
61	Laryionava (consolka)	1					1	2
62	Ganeev R.V. (Ravil-1989)	1					1	2
63	Ershova V.V. (vera1507)	1					1	2
64	Shast V. (lek321)	1					1	2
65	Pantyukhov A.A. (DR.Liveseu)	1					1	2
66	Ivanov I.J. (pezdyuk)	1					1	2
67	Staniszewski B.P. (bart333)	1					1	1
68	B S.B. (Serg_Baz)	1					ban	ban
69	Maratov O. (spoer)	1					ban	ban
70	Eremina A.V. (Arcanum)	1					1	1
71	Zolotarev (Yura Zolotarev)	1					1	1
72	Kon'kov G. (garrykonkov)	1					1	1
73	Antonovich (panda_gis)	1					1	1
74	Wunnava V. (shree_0403)	1					1	1
75	Avdej A.G. (alex070598)	1					1	1
76	Gerasimenko (swaqqybelly)	1					1	1
77	Martinovich G.M. (ejtolfd)	1					1	1
78	Utenkov V.V. (sadbadmad)	1					1	1
79	Ryashchikova (JRyashchikova)	1					1	1
80	Koptel'tsev V. (selber)	5
81	Korzhova A.D. (bynasta)	3					ban	ban
82	Martinchik A.A. (angielyusha)	3
83	Penkina (Cytty2008)	2
84	Ermakov D.S. (ErmakOFF)	2
85	Dubanova E.R. (Klocheva)	2
86	Sarkis'yan G. (gennadi_s)	2
87	Aniskovich E. (evgeniyaniskovich)	2
88	Komov S.M. (Komov S. M.)	2					ban	ban
89	Sal'nikova A.A. (Selena123)	2
90	Karebina (ewje)	2
91	Eremenko S. (SVAT_16)	2
92	Malkevich D.A. (DenisMalkevich2)	2					ban	ban
93	Berezhanskaya Ekaterina Nik E.B. (Berezhanskaya Ekaterina Nik)	2
94	Nechaeva O.A. (Nechaeva Olga)	1
95	Kurochkin P.A. (qwrqwr)	1
96	Pupkin (Kikimora)	1
97	Polyakov V.M. (rock_4)	1
98	Nentsinskaya K. (Ksunichka)	1
99	Livshits (@Valeriy)	1
100	Makeev V.V. (KRONMAG)	1
101	Zolotaryova V. (Zolotareva)	1
102	Lyustochkin K.S. (lamp2502)	1					ban	ban
103	Kerrik (Zayne Carrick)	1
104	Daniyarov A. (Tamla)	1
105	Vorob'ev (Ivor1984)	1
106	Astakhova I.V. (Felya22)	1
107	Smith (tibacityblues)	1
108	Filatov D.D. (Anticoder)	1
109	Tsay S. (Sergey Ts.)	1
110	Morenov (yaroslav-mor)	1
111	Barsukov (EsteLLL)	1
112	Komarov A.N. (Shveda Saulya)	1
113	Popov M. (pioner76)	1
114	Yakshin I.V. (ivan_y)	1
115	Belyakova (Lfhmz)	1
116	Kohman Y. (Svava)	1
117	Mikhajlov A.A. (Randei)	1					ban	ban
118	Ovsyannikov (Antonius4)	1
119	Yu D. (dendypaper)	1
120	TRKOVSKIY D. (David4)	1
121	vktory369 (vk1991)	1
122	Samigullina I.A. (IngaSam)	1					ban	ban
123	fioletovaya (fioletovaya2)	1
124	Sadretdinov (Ali2103)	1
125	Nurtdinov R. (LLink)	1
126	Ivanov (userTest1)	1
127	Korchak A.V. (AlxK4k)	1
128	Sweatpea (sweatpea)	1
129	Diyar D. (AnetD)	1
130	Petrov D. (lferrors)	1
131	K D. (onay)	1
132	P I.*. (IrinaPetr)	1
133	Akhmatnabieva A.R. (Aismua)	1
134	Ivanov (mkhl)	1
135	R. (Wra1th)	1
136	Ivanov (Odna popytka)	1
137	Efremova K. (millian)	1
138	P Y. (blacter)	1
139	Shul'gin (Rahmetov)	1
140	Belozyorov S.A. (BelozyorovSA)	1
141	Khakimov B.S. (0511)	1
142	Ivliev M.Yu. (TyroneSlothrop)	1
143	Lysykh V.K. (Usilitel')	1
144	Repina (alina.repina)	1					ban	ban
145	Vlasov (ArtemVlasov)	1
146	Khamov A.S. (vin4)	1
147	Demin V.R. (qward169)	1
148	Samarin V.A. (Samarin)	1
149	Ryabov D.E. (Daniil_Ryabov)	1					ban	ban
150	Saipov B.D. (ACE EVANS)	1					ban	ban
151	Zhigalova V.A. (butterbread)	1
152	Matochkin (loh_pedalniy)	1
153	Basov V.A. (vadim_basov)	1
154	Baranov E. (evgeniy423523)	1
155	Tarakanov V.V. (ChXos)	1
156	Ag V. (Vl_78)	1
157	Kostyukov (ThenNow)	1
158	Isaev I.S. (Menru)	1
159	Antonov G. (AntonovGA)	1
160	Kun D.M. (salomorja)	1
161	Fayzullayev (Lutfullo)	1
162	maksimov M.A. (tester543)	1
163	Petukhov D. (DmitryData)	1
164	Davletov (Timur99)	1
165	Alekseev K. (Alekseev.K)	1
166	Maharramov A. (Maharramov)	1
167	Ilya I.I. (Ilya_123)	1
168	Ovchinnikov (Donemon)	1
169	Yagudina E. (Yagudina E.B.)	1					ban	ban
170	Bukenov D.M. (darkhan97)	1
171	Norboeva S. (saranor)	1
172	Ekhlakov I. (pomidor2525)	1
173	Nikolaeva D. (KolobokLala)	1
174	Mikhajlenko S.A. (Bambarbia_Kergudu)	1
175	Yukovsky R. (Yuko_404)	1
176	Shajdt I.V. (Ivan222)	1					ban	ban
177	Surovtsov E.A. (iamk9)	1
178	Yoha (Molekula89)	1
179	Korolev M.N. (crockshine)	1
180	Khan (DK_VSU)	1
181	Gnedov O.O. (vanadizz)	1
182	Maksimova A.A. (Ann6)	1
183	Kuz'min I.A. (radioacc)	1
184	Dolgopolov Ya.M. (ANNAZBOL)	1
185	Avinerov D.V. (DanAvin)	1
186	Kraskovskaya A.V. (Warsawa)	1
187	Petrov V. (halon_)	1
188	NakO M. (GROM88)	1
189	Unregistered	16

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