数据库设计：年表归一化

Question

i have multiple table which include year column. I need a opinion which method is good ?

First Method: each table has its own year column like this

Second Method: Create a separate table for year and add a foreign key like this

In future my database contain millions of record. So tell me which method is consider as a Best Practice ?

Answer 1

最佳做法是“不要用无意义的整数代替有意义的整数”。