4384682
Question 1
Question
Edgar Frank Codd, definió las bases del modelo relacional,
Answer
- True
- False
Question 2
Question
Join une tablas
Answer
- True
- False
Question 3
Question
Una tupla es cada fila de la tabla
Answer
- True
- False
Question 4
Question
Drop borra un registro
Answer
- True
- False
Question 5
Question
Delete borra una tabla
Answer
- True
- False
Question 6
Question
Insert into inserta registros
Answer
- True
- False
Question 7
Question
Las reglas de integridad deben almacenarse en la Independencia de integridad
Answer
- True
- False
Question 8
Question
El comando truncate muestra bases de datos
Answer
- True
- False
Question 9
Question
Es la llave primaria la que se escoge como identificador de las tuplas
Answer
- True
- False
Question 10
Question
Existen 3 formas normales
Answer
- True
- False
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