OS-53

dsolovianov/greenplum/courses_202601031845.csv

@@ -0,0 +1,4 @@
+"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

dsolovianov/greenplum/enrollments_202601031845.csv

@@ -0,0 +1,6 @@
+"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

dsolovianov/greenplum/lesson_views_202601031846.csv

@@ -0,0 +1,7 @@
+"id","user_id","lesson_id","viewed_at"
+1,1,1,2023-01-16 10:00:00.000
+2,1,2,2023-01-16 10:15:00.000
+3,2,1,2023-01-21 09:00:00.000
+4,3,3,2023-03-06 12:00:00.000
+5,4,4,2023-04-02 10:00:00.000
+6,4,5,2023-04-03 10:00:00.000

dsolovianov/greenplum/lessons_202601031846.csv

@@ -0,0 +1,6 @@
+"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

dsolovianov/greenplum/users_202601031846.csv

@@ -0,0 +1,6 @@
+"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