Data Modeling, Data Engineering, Data Warehousing.
entities(tables) connect. The primary keys or other attributes are not shown and we mainly use it as a communication tool. 🌟𝐋𝐨𝐠𝐢𝐜𝐚𝐥 𝐃𝐚𝐭𝐚 𝐦𝐨𝐝𝐞𝐥: Illustration by author Once you have a rough sketch, you decide on the specifics. Going back to our house example, this would be like deciding the exact