SQL Server：如何使用一个查询从两个表中删除行

Question

使用以下查询从两个表中删除时，我在'，'附近遇到错误

Delete a, b 
from SalesInvoice as a 
join SalesInvoiceProductsList as b on a.SalesInvoiceID = b.SalesInvoiceID      
where b.SalesInvoiceID = 7 
  and b.ProductID = 1;