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Author SHA1 Message Date
Dmitry Medvedev 3177c7cda5 added theory bd CAP 2026-07-12 02:17:53 +05:00
Dmitry Medvedev 40e5761f6e added theory bd isolation level 2026-07-11 19:19:54 +05:00
Dmitry Medvedev e8cb1448dd added theory bd acid base 2026-07-11 18:24:14 +05:00
Dmitry Medvedev cfb837fcbf added theory bd b-tree and hash indexes 2026-07-11 17:52:38 +05:00
Dmitry Medvedev cad40d4a0c added theory bd replication 2026-07-11 15:17:10 +05:00
Dmitry Medvedev 9c84f7b794 added file with theory BD 'shard' 2026-07-10 00:26:24 +05:00
Dmitry Medvedev f1e9502716 added files theory bd with indexes and partitions 2026-07-09 23:38:46 +05:00
Dmitry Medvedev 6f96ed5510 added Logic_and_Physics_joins 2026-07-04 13:47:18 +05:00
Dmitry Medvedev e20f0077dc added 11ый task in 10.5 Poryadok 2026-07-03 00:06:47 +05:00
Dmitry Medvedev 3581c6c741 added explain and poryadok sql 2026-06-30 13:54:42 +05:00
Dmitry Medvedev 03149fb22c added dopolnitelnie zadaniya pet project 2026-06-29 23:25:17 +05:00
Dmitry Medvedev 74bd8e9d12 fixed mistakes 2026-06-29 01:43:27 +05:00
Dmitry Medvedev eeca2c2209 fix mistakes in 11.5 lesson popularity rank 2026-06-29 01:40:06 +05:00
Dmitry Medvedev 782f305acd fix mistakes with cohort analysis 2026-06-29 01:29:36 +05:00
Dmitry Medvedev 080ce3a251 fix mistakes in pet project effective courses 2026-06-29 00:52:22 +05:00
Dmitry Medvedev 007e136953 fixed code pet project Activity users 2026-06-29 00:01:36 +05:00
Dmitry Medvedev 650df961a3 added optimization of select 2026-06-28 23:15:55 +05:00
Dmitry Medvedev 7b7930d136 added file with blocks 2026-06-26 01:56:44 +05:00
Dmitry Medvedev 32041e1233 added files with transactions and 1 part of pet project (additional tasks) 2026-06-26 00:55:31 +05:00
Dmitry Medvedev 0fca2bcd7a added Mater VIEW 'conversion_funnel' in Pet Project 2026-06-24 15:50:06 +05:00
Dmitry Medvedev 6b22a048fc added Mater VIEW for Pet Project 'lesson_popularity_ranking' 2026-06-22 01:46:08 +05:00
dmitry medvedev 8495b6a66e Merge branch 'main' into md_branch 2026-06-21 21:27:28 +04:00
Dmitry Medvedev 29cbd33b71 added Mater VIEW for Pet project 'Cohort_analysis' 2026-06-21 22:21:26 +05:00
Dmitry Medvedev 94965703a3 added matherialized view pet project platform summary 2026-06-20 14:13:21 +05:00
Dmitry Medvedev 0613f3ee31 added second part of pet project 'effective courses' 2026-06-19 15:06:53 +05:00
Dmitry Medvedev e8ad05df8b added Mat VIEW Activity users for pet project 2026-06-18 15:04:51 +05:00
Dmitry Medvedev 2e7aa5cd72 added dml and dml for pet project 2026-06-18 15:02:52 +05:00
Dmitry Medvedev 43cff96cb4 added file with views rasks 2026-06-14 21:33:57 +05:00
Dmitry Medvedev 3044cecf7a added window functions sql 2026-06-12 14:41:23 +05:00
abogatyrev 84332f0313 Merge pull request 'add clickhouse pet project' (#211) from DEIN-1773 into main 
Reviewed-on: https://gitea.de-infra.servehttp.com/de-infrastructure/DWH/pulls/211
Reviewed-by: aleksey bogatyrev <abogatyrev@example.com>
 2026-06-11 03:40:43 +04:00
abogatyrev acc0352b81 Merge branch 'main' into DEIN-1773 2026-06-11 03:36:36 +04:00
abogatyrev ffdac5446e Merge pull request 'feat (sql): complete aggregating and grouping homework' (#95) from OS-415 into main 
Reviewed-on: https://gitea.de-infra.servehttp.com/de-infrastructure/DWH/pulls/95
Reviewed-by: aleksey bogatyrev <abogatyrev@example.com>
 2026-06-11 02:12:04 +04:00
abogatyrev 42158d0a60 Merge branch 'main' into OS-415 2026-06-11 02:11:28 +04:00
abogatyrev a3eb1536b7 Merge pull request 'feat(sql): complete window functions homework' (#105) from OS-418 into main 
Reviewed-on: https://gitea.de-infra.servehttp.com/de-infrastructure/DWH/pulls/105
Reviewed-by: aleksey bogatyrev <abogatyrev@example.com>
 2026-06-11 02:08:31 +04:00
abogatyrev eb5cb22c96 Merge branch 'main' into OS-418 2026-06-11 02:05:33 +04:00
abogatyrev 866db558a3 Merge pull request 'feat (sql): complete JOIN homework' (#93) from OS-412 into main 
Reviewed-on: https://gitea.de-infra.servehttp.com/de-infrastructure/DWH/pulls/93
Reviewed-by: aleksey bogatyrev <abogatyrev@example.com>
 2026-06-11 02:05:03 +04:00
abogatyrev b3a4f52344 Merge branch 'main' into OS-412 2026-06-11 02:01:55 +04:00
abogatyrev 226dbb7a1f Merge pull request 'add pet-project' (#187) from dmezentsev_postgresql_DEIN-2902 into main 
Reviewed-on: https://gitea.de-infra.servehttp.com/de-infrastructure/DWH/pulls/187
 2026-06-09 19:27:02 +04:00
abogatyrev aa9415ea86 Merge pull request 'add postgresql homework' (#167) from dmezentsev_postgresql_DEIN-2901 into main 
Reviewed-on: https://gitea.de-infra.servehttp.com/de-infrastructure/DWH/pulls/167
Reviewed-by: aleksey bogatyrev <abogatyrev@example.com>
 2026-06-09 19:26:49 +04:00
Dmitry Medvedev 72c9b065b9 fix mistakes in joins 2026-06-08 23:52:08 +05:00
dmezentsev d4e31d0f9f Merge branch 'dmezentsev_postgresql_DEIN-2902' of https://gitea.de-infra.servehttp.com/de-infrastructure/DWH into dmezentsev_postgresql_DEIN-2902 2026-06-08 09:47:54 +03:00
dmezentsev 4e91bb783e fix pet-project 2026-06-08 09:47:15 +03:00
abogatyrev c7c9bcb71a Merge branch 'main' into md_branch 2026-06-08 01:38:22 +04:00
abogatyrev 953472d376 Merge pull request 'Add homework on SQL Functions: dates, strings, logic' (#180) from vberetar_dates_strings_logic into main 
Reviewed-on: https://gitea.de-infra.servehttp.com/de-infrastructure/DWH/pulls/180
Reviewed-by: aleksey bogatyrev <abogatyrev@example.com>
 2026-06-07 22:22:10 +04:00
abogatyrev de43c2f290 Merge branch 'main' into vberetar_dates_strings_logic 2026-06-07 22:21:24 +04:00
abogatyrev 686d5b4dcc Merge pull request 'Add homework on SQL view' (#199) from vberetar_sql_view into main 
Reviewed-on: https://gitea.de-infra.servehttp.com/de-infrastructure/DWH/pulls/199
Reviewed-by: aleksey bogatyrev <abogatyrev@example.com>
 2026-06-07 22:20:09 +04:00
Dmitry Medvedev bcc5f43d56 added underSELECT and CTE tasks 2026-06-07 23:20:00 +05:00
abogatyrev 56b4c8f862 Merge branch 'main' into vberetar_sql_view 2026-06-07 22:18:34 +04:00
abogatyrev 407efe5776 Merge branch 'main' into dmezentsev_postgresql_DEIN-2902 2026-06-07 20:42:34 +04:00
Yusup a022c2037e Added reports comparing DMs in Clickhouse and Greenplum 2026-06-07 16:51:31 +05:00