Query error with ambiguous column name in SQL [duplicate] 0 It outputs (error) ambiguous column name because it gets confused about where to fetch data from since you might have the same query name "InvoiceID" in two different tables or datasets (check all the tables you have used in where clause, InvoiceID should be in at least two of them)
C++ Cout Cin System Ambiguous - Stack Overflow I was just programming in c++, when all of a sudden all the "cout"s and "cin"s were errors and "Ambiguous" Including System I don't know why this happened Everything was fine, I was coding the