
SQL e Álgebra Relacional
Authored by CLEYTON PINHEIRO
Computers
2nd Grade
Used 2+ times

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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A Linguagem de Manipulação de Dados (DML) inclui quais comandos?
CREATE TABLE, CREATE DATABASE e DELETE DATABASE
CREATE TABLE, INSERT, UPDATE e DELETE
CONNECT, INSERT, TRUNCATE, SELECT
INSERT, SELECT, UPDATE e DELETE
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual operação NÃO é mencionada como parte da Álgebra Relacional?
Junção
Multiplicação
Seleção
Divisão
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual comando SQL apresentará apenas os nomes das cidades do Recife(RE)?
SELECT * FROM cidades WHERE ‘RE’
SELECT nome FROM estado = ‘Recife’
SELECT * FROM cidades WHERE uf = ‘RE’
SELECT nome FROM cidades WHERE uf = ‘RE’
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A área hachurada representa uma operação entre conjuntos, que é:
AnB
A – B
A∪B
B – A
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A área hachurada representa uma operação entre conjuntos, que é:
AnB
A – B
A∪B
B – A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual operação NÃO é mencionada como parte da Álgebra Relacional?
Divisão
Junção
Seleção
Multiplicação
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A Linguagem de Manipulação de Dados (DML) é uma linguagem de consulta que se baseia na álgebra relacional. Os comandos que fazem parte da DML incluem:
CREATE TABLE, CREATE DATABASE e DELETE DATABASE
INSERT, SELECT, UPDATE e DELETE
CONNECT, INSERT, TRUNCATE, SELECT
CREATE TABLE, INSERT, UPDATE e DELETE
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