database-diagram

问题 I'm looking at an existing database in Microsoft SQL Server Management Studio, and in the Database Diagram there is one relatioship that appears with a dashed or dotted line. The other relationships are all solid lines. What does the dashed line mean? 回答1: The dotted/dashed line means, that SQL Server does not enforce referential integrity for this relationship. Have a look here 回答2: referential integrity is not enforced 来源： https://stackoverflow.com/questions/9347917/what-does-a-dashed

问题 What is the difference between Microsoft SQL Server and SQL Server Management Studio (SSMS) and how can I integrate SSMS in Visual Studio 2012 so I can use database diagrams? 回答1: Credit to marc_s: SQL Server = database engine; SQL Server Management Studio = GUI Administration Tool for working against the SQL Server engine 回答2: It seems like Microsoft is trying to make SSMS look like Visual Studio, but there is still no integration. Use the Entity Framework 6.0 within Visual Studio 2012 to

问题 A good way to quickly survey the information in a database is to apply a tool that automatically creates a database diagram of all tables and all relationships between them. In my experience, such tools use foreign keys as the relationships, which most of the databases I try them do not contain. Sure, they satisfy constraints corresponding to foreign keys, but do not enforce them. And I'll end up with a 'diagram' consisting of a bunch of unrelated tables. So what I'm looking for is software