Data Modeling, Data Engineering, Data Warehousing.
the attributes(columns) are specified. Sometimes the data types are stated but they aren’t always strictly specified. They can be used as placeholders. 🌟𝐏𝐡𝐲𝐬𝐢𝐜𝐚𝐥 𝐃𝐚𝐭𝐚 𝐦𝐨𝐝𝐞𝐥: Illustration by author Now, it’s time to build the house. The physical data model is like the construction plans, specifying