Lenguaje DDL: Alter

Quiz
•
Engineering
•
University
•
Medium
Sol estrada
Used 3+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Para modificar el nombre de una tabla se utiliza:
Change
Rename
Modify
2.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Para cambiar el tipo de dato de un campo se utiliza:
Change
Modify
Add
3.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Para cambiar el nombre de un campo de una tabla se utiliza:
Change
Modify
Rename
4.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Para agregar una llave primaria o foranea a una tabla se utiliza:
Modify
Add
Change
5.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Que realiza la siguiente instrucción: alter table estudiante modify edad char(2) not null;
Elimina los datos del campo edad
Modifica el tipo de dato del campo edad y agrega que no se nulo
Cambia el nombre del campo edad y le agrega que no sea nulo.
6.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Permite eliminar un campo de una tabla.
Drop
Add
Modify
7.
MULTIPLE CHOICE QUESTION
20 sec • 2 pts
Se puede agregar con alter table una llave foránea a una tabla sin utilizar constraint.
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