
Quiz de SQL Básico
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
Francisco Dores
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
O que é SQL?
Uma linguagem de programação.
Uma linguagem de manipulação de dados.
Um banco de dados relacional.
Um sistema de gerenciamento de banco de dados.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual destes comandos SQL é usado para selecionar dados de uma tabela?
SELECT
INSERT
UPDATE
DELETE
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual é o comando para inserir novos dados numa tabela?
ADD
INSERT INTO
PUT
UPDATE
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual a sintaxe correta para selecionar todos os dados de uma tabela chamada "employees"?
SELECT all FROM employees;
SELECT * FROM employees;
GET all FROM employees;
EXTRACT * FROM employees;
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Como você selecionaria apenas os registros onde a coluna "age" é maior que 30?
SELECT * FROM table WHERE age >= 30;
SELECT * FROM table HAVING age >= 30;
SELECT * FROM table GROUP BY age;
SELECT * FROM table WHERE age > 30;
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual comando SQL retorna a soma de uma coluna numérica chamada "salary"?
SUM(salary);
SELECT SUM(salary) FROM table;
SELECT ADD(salary) FROM table;
TOTAL(salary);
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Qual consulta retorna o número total de registros de uma tabela chamada "customers"?
SELECT * FROM customers;
SELECT COUNT(*) FROM customers;
SELECT SUM(*) FROM customers;
SELECT TOTAL(*) FROM customers;
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