Haciendo una comparacion entre dos tablas a traves de un campo email recibo el siguiente mensaje.

 

La select basicamente es esto.

 

SELECT * FROM Sumados where nombre not in (select nombre from tabla2);

 

Illegal mix of collations (utf8_general_ci,IMPLICIT) and (utf8_spanish_ci,IMPLICIT) for operation ‘=’

 

La solucion pasa por usar un cast o convert, yo en mi caso uso cast(nombre as char)

 

 

SELECT * FROM tabla2u where cast(nombre as CHAR)  not in ( SELECT cast(nombre as CHAR) FROM Sumados S);

 

 

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