MySQL error 1241: Operand should contain n column(s)
I am trying to Insert data from a table1 into table2 insert into table2(Name,Subject,student_id,result) select (…
mysql sql select insert mysql-error-1241I could find a lot of similar questions but no real solution for my problem. My SQL query: UPDATE ADRESSEN …
mysql operand mysql-error-1241I have Customer Groups with Number-Ranges (from Customernumber, to Customernumber). select g.id, (select count(*), sum(sales) FROM transactions t1 …
mysql subquery operand mysql-error-1241