插入到语句上的列名无效

Question

I need to insert values from one table to another. However, when I run my command, I get this response.

Msg 207, Level 16, State 1, Line 4
Invalid column name 'table1column'.

Msg 207, Level 16, State 1, Line 5
Invalid column name 'othertable1column'.

Here is my code:

insert into table2 (column2)
   select column1
   from table1
   where table2column = table1column
   and othertable2column = othertable1column

What am I doing wrong?

Answer 1

I suspect that you really want an update:

update table2
    set column2 = column1
    from table2 join
         table1
         on table2.table1column = table1.table1column and
            table2.andothertable2column = table1;othertable1column;

insert inserts new rows. update updates values in existing rows. If you are trying to join the two tables together, then presumably the row you want is already in table2 .