SQL exercises

December 08, 03:33 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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Top 100 results achieved on 10 latest exercises

(25DML, 28DML, 29DML, 43DML, 48DML, 51DML, 53DML, 54DML, 237, 238)

No	person	exs	score	minutes	last_ex
1	Filippkin D.V. (_dimon_)²	10/10(0)	19	2280	sel 237 (2022-09-09)
2	Chernov D.V. (Kursist)¹	9/10(0)	16	58	dml 54 (2022-07-17)
3	Koptel'tsev V. (selber)²⁷	9/10(5)	16	341	sel 238 (2022-07-21)
4	Il'in A.N. (ani42)¹³⁰	8/10(0)	14	94	dml 54 (2022-09-09)
5	Suprun D. (TimonSP)⁷³	8/10(0)	14	196	dml 54 (2022-07-21)
6	Varenikov D.M. (Dmitriy Varenikov)¹⁸	8/10(0)	14	297	dml 54 (2022-07-20)
7	Komarov A.N. (Shveda Saulya)⁶²	8/10(0)	14	1549	dml 54 (2022-07-17)
8	gls (gls52)¹³³	8/10(0)	14	2316	dml 54 (2022-07-25)
9	Shkarednyj I.N. (Gosha)³⁵	8/10(0)	14	4849	dml 54 (2022-07-15)
10	Filipas I.M. (Axocopan)¹³⁴	7/10(0)	13	59	dml 53 (2022-02-08)
11	Doschenko V.N. (mcrain)³	7/10(0)	13	545	dml 53 (2022-04-25)
12	Gmar' D.V. (dimervvsu)⁴¹	7/10(0)	13	668	dml 53 (2022-04-19)
13	Petrov Y. (YuriPetrov)³⁴	7/10(0)	13	2010	dml 53 (2022-02-08)
14	Latyntsev N.G. (aks_nsk)⁵¹	6/10(0)	11	1950	dml 53 (2022-02-12)
15	Tsuranov E.V. (Tsuranov Eduard)³⁶⁹	6/10(0)	11	2288	dml 53 (2022-05-19)
16	Rudikov E. (cubie)¹³²	6/10(0)	10	61	dml 51 (2022-11-09)
17	Kreslavskij O.M. (Arcan)⁵	6/10(0)	10	78	dml 28 (2022-01-20)
18	Karasyova N.V. (vlksm)¹⁰	6/10(0)	10	620	dml 51 (2022-04-09)
19	Kurochkin P.A. (qwrqwr)¹¹	6/10(0)	10	3657	dml 28 (2022-01-20)
20	Sigankov V.I. (vasilyvanc)³¹	6/10(0)	10	131195	dml 29 (2022-10-17)
21	Pavlov A.V. (Anton)⁵⁷	5/10(0)	8	38	dml 51 (2022-04-05)
22	Lazareva E. (lea_22)²⁷⁹	5/10(0)	8	3763	dml 28 (2022-01-19)
23	Shishkin D. (Shinuz)¹⁵⁹	4/10(0)	6	405	dml 43 (2022-07-25)
24	Komov K.N. (zigmund1)¹⁵⁵	4/10(0)	6	7042	dml 43 (2022-11-20)
25	Rybkina T.V. (Rybka)⁹³	4/10(0)	5	80	dml 29 (2022-02-05)
26	Fedevych V.I. (labuch_fedev)³³	4/10(0)	5	145	dml 48 (2022-01-30)
27	Mikhailov S. (curiouser)³⁰⁹	4/10(0)	5	3526	dml 29 (2022-03-05)
28	bitsadze K.R. (furie)²³⁹	4/10(0)	5	9145	dml 29 (2022-01-26)
29	Bezhaev A.Yu. (Baser)⁷	2/10(2)	5		sel 237 (2022-05-13)
30	Borzov V.V. (simulacrum)¹⁴⁵	3/10(0)	4	17	dml 29 (2022-06-28)
31	Lapenko M.F. (Martha_pryde)⁴⁶⁵	3/10(0)	4	25	dml 29 (2022-10-09)
32	Belyakov M.Ya. (Mat_Original)³⁷⁷	3/10(0)	4	83	dml 29 (2022-07-19)
33	Lobashev A.G. (anewnick)⁵⁶⁶	3/10(0)	4	84	dml 29 (2022-02-11)
34	Kostaschuk R.M. (RaduKostashchuk)⁶²²	3/10(0)	4	89	dml 29 (2022-03-08)
35	Ashling (Ashling)⁴⁶²	3/10(0)	4	93	dml 29 (2022-04-13)
36	Sul'dina M.V. (mar91s)⁶¹⁷	3/10(0)	4	257	dml 29 (2022-02-28)
37	Gaas (_vlvl_)⁵⁹⁶	3/10(0)	4	258	dml 29 (2022-04-19)
38	Chebotar' V.N. (Sillwer95)⁴⁴²	3/10(0)	4	317	dml 29 (2022-11-01)
39	Vestnikov D.A. (letsstudybegin)²⁴⁷	3/10(0)	4	321	dml 29 (2022-03-20)
40	Bojkov R.V. (Remmix)⁵⁸¹	3/10(0)	4	454	dml 29 (2022-09-13)
41	Sopulyak S.V. (takoysebeproger)⁵⁸²	3/10(0)	4	471	dml 29 (2022-01-25)
42	Kadomtsev S.I. (z00mz00m1993)⁶¹⁹	3/10(0)	4	481	dml 29 (2022-03-21)
43	Efimova V. (captainX)⁴⁵⁹	3/10(0)	4	503	dml 29 (2022-03-11)
44	Turpetko R. (Turpetko Roman)³³⁶	3/10(0)	4	513	dml 29 (2022-10-11)
45	Chunev N.A. (nik4un)⁴²⁹	3/10(0)	4	664	dml 29 (2022-03-28)
46	Konovalov P.D. (pdkonovalov)⁶¹³	3/10(0)	4	731	dml 29 (2022-07-30)
47	Zakharov S. (sad_shrink)⁴⁸⁷	3/10(0)	4	883	dml 29 (2022-07-16)
48	Gatenadze V.Sh. (gaten1952)⁴⁹⁶	3/10(0)	4	940	dml 29 (2022-02-19)
49	Isaev V.Yu. (Valer4N1)⁴⁸⁴	3/10(0)	4	1032	dml 29 (2022-01-23)
50	Kuydinov D. (sh4rk717)⁵⁵⁶	3/10(0)	4	1069	dml 29 (2022-07-06)
51	Gorshelev M.O. (eximka)³⁴⁶	3/10(0)	4	1202	dml 29 (2022-08-08)
52	Aseph J. (rukia_)³⁷⁸	3/10(0)	4	1428	dml 29 (2022-06-13)
53	Skoblev A.D. (skoblev)⁴¹⁵	3/10(0)	4	1792	dml 29 (2022-10-17)
54	Luzin A. (kartohin)⁶¹⁰	3/10(0)	4	2625	dml 29 (2022-11-28)
55	Khropunova S.P. (sony24)⁶¹⁴	3/10(0)	4	2893	dml 29 (2022-08-09)
56	Firstova A.O. (FAO)⁴⁶¹	3/10(0)	4	3007	dml 29 (2022-07-24)
57	Yartsev Yu. (Yury66)¹⁶⁵	3/10(0)	4	3644	dml 29 (2022-03-17)
58	Pegov S. (sergo_sql)⁶²⁰	3/10(0)	4	3697	dml 29 (2022-04-18)
59	Kostyushko Yu.V. (kostushko)³¹⁵	3/10(0)	4	3816	dml 29 (2022-02-04)
60	Akol'zin M.S. (maksimok2991)¹⁹³	3/10(0)	4	4186	dml 29 (2022-03-29)
61	Vinogradova S.M. (Tigra1)¹⁸³	3/10(0)	4	4354	dml 29 (2022-05-25)
62	Milenkov (wqer)⁹⁸	3/10(0)	4	4502	dml 28 (2022-12-01)
63	Ustinova (Sforza)³³⁹	3/10(0)	4	4730	dml 29 (2022-08-07)
64	Lyaschenko S.N. (pimen78)²⁵³	3/10(0)	4	4963	dml 29 (2022-10-06)
65	Cherpak V.E. (OakTree)⁵³⁴	3/10(0)	4	6816	dml 29 (2022-09-06)
66	ol O. (svinokiller)³⁸⁴	3/10(0)	4	7754	dml 29 (2022-03-08)
67	Frolov K.A. (Murderface_)³⁶⁶	3/10(0)	4	12794	dml 29 (2022-09-13)
68	Savin A.Yu. (mirovingin)²¹⁸	3/10(0)	4	20149	dml 29 (2022-03-11)
69	Kuritsyn V.N. (ValNick)²⁰⁶	3/10(0)	4	44181	dml 29 (2022-09-05)
70	Chebykin D. (GriGrim)³⁷	2/10(0)	3	31	dml 28 (2022-05-14)
71	Novozhilov A. (BertokMo)⁵⁵⁷	2/10(0)	3	3201	dml 28 (2022-02-15)
72	Rodionov S. (oldos)³⁰⁴	2/10(0)	3	5696	dml 28 (2022-05-29)
73	Veselov A.N. (almw)³⁹⁶	2/10(0)	2	1101	dml 48 (2022-01-26)
74	Tarshin S.N. (tsn)¹⁴²	1/10(0)	1	24	dml 25 (2022-01-24)
75	Murtazaliev M.G. (Magmur)⁶⁰⁸	1/10(0)	1	41	dml 25 (2022-04-23)
76	Rylov A.V. (LexaR2D2)⁴³⁶	1/10(0)	1	12499	dml 25 (2022-01-27)
77	Boyarskij V.A. (ChronoMorzh)³⁷⁹	1/10(0)	1	237674	dml 25 (2022-11-05)

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