Can a table in SQL have multiple columns as foreign keys that refer only to one primary key of another table? - Quora
![sql server - Is there anything wrong with linking two identical primary keys in two different tables? - Database Administrators Stack Exchange sql server - Is there anything wrong with linking two identical primary keys in two different tables? - Database Administrators Stack Exchange](https://i.stack.imgur.com/jcN1f.png)
sql server - Is there anything wrong with linking two identical primary keys in two different tables? - Database Administrators Stack Exchange
![Error: "Table 'X' does not have a primary key. You must specify one or more fields." – Support Topics Error: "Table 'X' does not have a primary key. You must specify one or more fields." – Support Topics](https://support.jetglobal.com/hc/article_attachments/360022608553/2.jpg)
Error: "Table 'X' does not have a primary key. You must specify one or more fields." – Support Topics
![Can We Have NULL Value in Primary Key? - Interview Question of the Week #075 - SQL Authority with Pinal Dave Can We Have NULL Value in Primary Key? - Interview Question of the Week #075 - SQL Authority with Pinal Dave](https://blog.sqlauthority.com/wp-content/uploads/2016/06/errornull.jpg)
Can We Have NULL Value in Primary Key? - Interview Question of the Week #075 - SQL Authority with Pinal Dave
![ssms - SQL Server Management Studio: The columns in table do not match an existing primary key or unique constraint - Database Administrators Stack Exchange ssms - SQL Server Management Studio: The columns in table do not match an existing primary key or unique constraint - Database Administrators Stack Exchange](https://i.stack.imgur.com/AGSbk.jpg)
ssms - SQL Server Management Studio: The columns in table do not match an existing primary key or unique constraint - Database Administrators Stack Exchange
![Building Better Software: What About Indexing SQL Server Tables That do Not Have a Primary Key or Cluster Key Building Better Software: What About Indexing SQL Server Tables That do Not Have a Primary Key or Cluster Key](http://3.bp.blogspot.com/-KUZQYdNWcAY/V5Vkt_CslXI/AAAAAAAAAVk/KnwFBZTCWcoX6si8ROei4jsFs4-Pe5TRACK4B/s1600/TableStructure.png)
Building Better Software: What About Indexing SQL Server Tables That do Not Have a Primary Key or Cluster Key
![Ex3 answers - Exercise 3 Use the database shown in Figure 1 to answer Problems 1-7. FIGURE 1 The - StuDocu Ex3 answers - Exercise 3 Use the database shown in Figure 1 to answer Problems 1-7. FIGURE 1 The - StuDocu](https://d20ohkaloyme4g.cloudfront.net/img/document_thumbnails/bbd1c886a34db0b908795c63310ab421/thumb_1200_1553.png)