Question

@Var1=CHA000375972
@Var2=CHA000375972
@Var2=000375972

此处@Var1和@Var2完全相同，但@Var3与@Var1或@Var2相同。那么我们如何比较两个值是否相同呢？

我的目标是获得所有值是完全相同还是几乎相同

select distinct a.SupplierInvoiceNumber
from #tmpSup1 a  
join #tmpSup2 b on a.SupplierInvoiceNumber = b.SupplierInvoiceNumber

Answer 1

如果您只想比较最右边的9个字符，可以使用：

right(@Var1,9) = right(@Var3,9)

select distinct a.SupplierInvoiceNumber
  from #tmpSup1 a 
    join #tmpSup2 b on right(a.SupplierInvoiceNumber,9)=right(b.SupplierInvoiceNumber,9)

如果只有一个表具有长度超过9个字符的SupplierInvoiceNumbers需要在right（）函数中，则连接条件可以简化为：

    join #tmpSup2 b on right(a.SupplierInvoiceNumber,9)=b.SupplierInvoiceNumber

或

    join #tmpSup2 b on a.SupplierInvoiceNumber=right(b.SupplierInvoiceNumber)

如果一个变量总是比另一个变量短，但不总是9个字符，则可以使用：

select distinct a.SupplierInvoiceNumber
  from #tmpSup1 a 
    join #tmpSup2 b on a.SupplierInvoiceNumber like '%'+b.SupplierInvoiceNumber

如何在SQL Server中比较两个相同的值

1 个答案: