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BD1
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
Eugenio Nassu
Used 5+ times
FREE Resource
Enhance your content in a minute
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma entidade no modelo relacional é implementado no modelo relacional como:
Tabela
Coluna
Chave estrangeira
Chave primária
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Um atributo multivalorado é implementado como:
Coluna multivalorada
Tabela auxiliar
Chave primária
Chave secundária
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Exemplo de atributo composto
Telefones
e-mails
endereço
salário
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O relacionamento 1 para N é implementado:
Com chave estrangeira do lado N
Com chave estrangeira do lado 1
Com uma chave primária do lado N
Com duas chaves estrangeiras
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O relacionamento N para N pode ser implementado:
Com uma tabela auxiliar, com duas chaves estrangeiras
Com duas chaves estrangeiras, uma de cada lado
Com tabela auxiliar, com duas chaves estrangeiras, uma de cada lado
Com uma ligação N para N entre as tabelas
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma chave estrangeira pode referenciar à própria tabela
Sim
Não
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Uma chave primária pode ser composta
Sim
Não
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