Si queremos ingresar un correo, ¿cómo hacemos para que no se repita?
Bases de datos

Quiz
•
Computers
•
9th Grade
•
Medium

Docente Sistemas
Used 8+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Volviendolo un informe
Volviendolo llave primaria
Volviendolo llave unica
Poniendolo fecha
2.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Cuando estamos creando la tabla y queremos poner un correo. ¿Qué tipo de datos colocamos?
Texto corto/ char
Texto largo/ varchar
Número/ int
Fecha
3.
FILL IN THE BLANK QUESTION
30 sec • 5 pts
El campo que identifica cada tabla es la llave
4.
OPEN ENDED QUESTION
1 min • 5 pts
¿Que es una consulta?
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5.
MULTIPLE SELECT QUESTION
45 sec • 5 pts
Elizabeth quiere crear una base de datos sobre una pescaderia, ¿que tablas necesitariamos?
Clientes
Vendedores
Panes
Factura
Productos
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
¿Que tipo de relacion es esta?
1 a n
n a n
1 a 1
0 a 0
7.
FILL IN THE BLANK QUESTION
1 min • 5 pts
Cuando queremos que un dato no se repita pero que no sea la llave primaria usamos la llave
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