Schema - Do you create a consistent primary key column on your tables?

Last updated by Brook Jeynes [SSW] 9 months ago.See history

Make sure you created a consistent primary key column named Id on your tables.

Employee.ID, Employee.EmployeeId, Employee.EmployeeID, Employee.Employee_Code, Employee.Employee

Figure: Bad example


Figure: Good example


  • We shouldn’t capitalise ID (identifier) as it is an abbreviation not an acronym.
  • Using the approach [TableName]Id, e.g. EmployeeId, is redundant as we already know the context of the Id.
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