This commit is contained in:
2026-02-24 07:25:45 +03:00
parent 5da4df2f14
commit 01a700d015
99 changed files with 127 additions and 0 deletions

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id,title,category,created_at
1,SQL для начинающих,data,2023-01-01
2,Python для анализа данных,programming,2023-01-15
3,BI с нуля,business,2023-03-01
1 id title category created_at
2 1 SQL для начинающих data 2023-01-01
3 2 Python для анализа данных programming 2023-01-15
4 3 BI с нуля business 2023-03-01

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id,user_id,course_id,enrolled_at
1,1,1,2023-01-15
2,1,2,2023-02-01
3,2,1,2023-01-20
4,3,2,2023-03-05
5,4,3,2023-04-01
1 id user_id course_id enrolled_at
2 1 1 1 2023-01-15
3 2 1 2 2023-02-01
4 3 2 1 2023-01-20
5 4 3 2 2023-03-05
6 5 4 3 2023-04-01

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id,user_id,lesson_id,viewed_at
1,1,1,2023-01-16T10:00:00.000+03:00
2,1,2,2023-01-16T10:15:00.000+03:00
3,2,1,2023-01-21T09:00:00.000+03:00
4,3,3,2023-03-06T12:00:00.000+03:00
5,4,4,2023-04-02T10:00:00.000+03:00
6,4,5,2023-04-03T10:00:00.000+03:00
1 id user_id lesson_id viewed_at
2 1 1 1 2023-01-16T10:00:00.000+03:00
3 2 1 2 2023-01-16T10:15:00.000+03:00
4 3 2 1 2023-01-21T09:00:00.000+03:00
5 4 3 3 2023-03-06T12:00:00.000+03:00
6 5 4 4 2023-04-02T10:00:00.000+03:00
7 6 4 5 2023-04-03T10:00:00.000+03:00

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id,course_id,title,duration_min
1,1,SELECT и FROM,10
2,1,JOIN,15
3,2,Pandas,20
4,3,Основы BI,12
5,3,Метрики и дашборды,18
1 id course_id title duration_min
2 1 1 SELECT и FROM 10
3 2 1 JOIN 15
4 3 2 Pandas 20
5 4 3 Основы BI 12
6 5 3 Метрики и дашборды 18

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id,name,age,email,registration_date
1,Alice,25,alice@mail.com,2023-01-10
2,Bob,30,bob@gmail.com,2023-02-05
3,Charlie,22,charlie@mail.com,2023-02-20
4,Diana,28,diana@mail.com,2023-03-01
5,Ethan,35,ethan@gmail.com,2023-03-10
1 id name age email registration_date
2 1 Alice 25 alice@mail.com 2023-01-10
3 2 Bob 30 bob@gmail.com 2023-02-05
4 3 Charlie 22 charlie@mail.com 2023-02-20
5 4 Diana 28 diana@mail.com 2023-03-01
6 5 Ethan 35 ethan@gmail.com 2023-03-10