Doubt about the use of JOIN...

Question

I wonder if the field in which I should make the comparison, can only be the one that contains the key Primary, or can be any field...

Let me give you an example:

 CREATE TABLE tabela1(
    idTabela1 INTEGER NOT NULL AUTO_INCREMENT,
    nome1 VARCHAR(50) NOT NULL,
    PRIMARY KEY(idTabela1)
    )Engine InnoDB;


 CREATE TABLE tabela2(
    idTabela2 INTEGER NOT NULL AUTO_INCREMENT,
    nome2 VARCHAR(50) NOT NULL,
    PRIMARY KEY(idTabela2)
    FOREIGN KEY(idTabela2) REFERENCES tabela1(idTabela1)
    )Engine InnoDB;


 SELECT * FROM tabela1 AS t1 JOIN tabela2 AS t2 ON t1.nome1 = t2.nome2;

I can do it ?