几个表之间的连接表

Question

我的数据库中有4个表，

我正在尝试构建一个页面，当用户选择不同类别的作业时，它将显示在他们的JobCart页面中。 是我的MyJobCart设计表是正确的??虽然我在其中添加了一些专栏！ 。是执行此操作的查询Job只是插入MyJobCart表的查询？

[Account Table]
+--------------+-------------+------+-----+-------+
| StudentID    | FirstName   | LastName | Email   | 
+--------------+-------------+------+-----+-------+
| 0            |    xxxx     | xxxx     | xxxx    |  
| 1            |    xxxx     | xxxx     | xxxx    |          
+--------------+-------------+------+-----+-------+



[Jobs Table]
+--------------+-------------+------+-----+-----------------+------------+
| JobID        | Name        | description| numberOfJob     | dueDate    | 
+--------------+-------------+------+-----+-----------------+------------+
| 0            |    xxxx     | xxxx       |     xxxx        |            |
| 1            |    xxxx     | xxxx       |     xxxx        |            |  
+--------------+-------------+------+-----+-----------------+-----------+


[MyJobCart Table]
+--------------+-------------+------+-----+-------+---------+-------+
| No(primary)  | JobID(F-Key)       | StudentId(f-Key)| statusOfJob | 
+--------------+-------------+------+-----+-------+---+-----+-------+
| 0            |    xxxx            | xxxx            |    xxxx     | 
| 1            |    xxxx            | xxxx            |    xxxx     |
+--------------+-------------+------+-----+-------------+---+-------+