• Wikimedia, data dumps: https://dumps.wikimedia.org/
• UCI Machine Learning Repository
• MySQL's Sample Salika (DVD Rental) Database

Adventure Works:

• mysql-adventure-works-dw - The Adventure Works Datawarehouse ported to MySQL
• adventure-works-postgres - AdventureWorks for Postgres

https://www.kaggle.com/datasets

• https://www.kaggle.com/tunguz/big-five-personality-test

Notes:

• https://stackoverflow.com/questions/236478/where-i-can-download-sample-database-which-can-be-used-as-data-warehouse
• https://www.sqlchick.com/entries/2011/10/3/places-to-download-sample-data.html
• https://www.researchgate.net/figure/Sample-sales-data-warehouse-schema_fig2_221524861
• https://www.quora.com/Where-can-I-get-huge-sample-data-for-data-warehouse-design
• https://www.mysqltutorial.org/mysql-sample-database.aspx/
• https://www3.ntu.edu.sg/home/ehchua/programming/sql/SampleDatabases.html
• https://wiki.postgresql.org/wiki/Sample_Databases

All pages tagged sample_date: