'SELECT' was not declared in this scope

[cxam]

Hi, I'm trying to make a search on SQL so I declared 3 variables which are introduced by the user, these variables are "nombre", "curso" and "grupo" so I need to search on my DB (sqlite3) using these 3 variables so I made the following query statement

QSqlQuery query;
query.exec(SELECT * FROM usuarios
WHERE Nombre=nombre
AND Curso=curso, Grupo=grupo);

(The names of my columns are "Nombre", "Curso" and "Grupo" and the variables are the same but in lowercase)

Unfortunately it returns the following error:

1: error: 'SELECT' was not declared in this scope
     query.exec(SELECT * FROM usuarios
                ^

2: error: 'FROM' was not declared in this scope
     query.exec(SELECT * FROM usuarios
                         ^

[alex_malyu]

@cxam said:

query.exec(SELECT * FROM usuarios

It has to be QString or type which can be implicitly converted to it. Like:

query.exec("SELECT * FROM usuarios" );

[cxam]

@alex_malyu Thanks a lot