Question

I have a table that contain memberId’s but they do not run concurrently.

How must I loop through them?

I have this:

 select mm.memberid, mm.aspnetuserid, mm.email
 into #MemberIdsToDelete
   from membership.members as mm 
   left join aspnet_membership as asp
     on mm.aspnetuserid=asp.userid 
   left join trade.tradesmen as tr 
     on tr.memberid=mm.memberid  
   where asp.isapproved = 0 and tr.ImportDPN IS NOT NULL and tr.importDPN <> ''
   order by mm.memberid

 ALTER TABLE #MemberIdsToDelete ADD id int NOT NULL AUTO_INCREMENT

 DECLARE @MaxRownum int
 SET @MaxRownum = (SELECT MAX(id) FROM MemberIdsToDelete)

WHILE @Iter <= @MaxRownum
 -- do things
 SET @Iter = @Iter + 1
END  

The above is not correct, I get error on the alter table line obviously:
Incorrect syntax near ‘AUTO_INCREMENT’

Answer 1

You can use cursors to loop through table, something like this:

DECLARE db_cursor CURSOR FOR SELECT Col1, Col2, -- your select query 

OPEN db_cursor
FETCH NEXT FROM db_cursor INTO @Var1, @Var2, -- list of your variables based on select query

WHILE @@FETCH_STATUS = 0   
BEGIN

    -- do stuff

    FETCH NEXT FROM db_cursor INTO @Var1, @Var2, -- list of your variables based on select query
END   

CLOSE db_cursor   
DEALLOCATE db_cursor