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1 4 . - Dado el diagrama de la figura y la descripci n que se entrega a continuaci n , Cu l de las
Dado el diagrama de la figura y la descripcin que se entrega a continuacinCul de las siguientes instrucciones permite la correcta implementacin de la clave primaria de la tabla estudiante cuyo atributo es estrun?
ALTER TABLE estudiante PRIMARY KEY estrun:
ALTER TABLE estudiante ADD PRIMARY KEY estrun :
MODIFY estudiante ADD PRIMARY KEY estrun ;
ALTER estudiante ADD PRIMARY KEY estrun :
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