CBTIS SQL Queries basicos
Quiz
•
Information Technology (IT)
•
11th Grade
•
Practice Problem
•
Hard
Dolores Justo
Used 4+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuál de las siguientes consultas muestra el first_name, last_name y gender de los pacientes cuyo gender es 'M'?
A) SELECT first_name, last_name FROM patients WHERE gender = 'M';
B) SELECT first_name, last_name, gender FROM patients WHERE gender = 'M';
C) SELECT * FROM patients WHERE gender = 'M';
D) SELECT name, gender FROM patients WHERE gender = 'M';
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo seleccionas el first_name y last_name de los pacientes que no tienen alergias registradas (allergies es NULL)?
A) SELECT first_name, last_name FROM patients WHERE allergies = '';
B) SELECT first_name, last_name FROM patients WHERE allergies = NULL;
C) SELECT first_name, last_name FROM patients WHERE allergies IS NULL;
D) SELECT first_name, last_name FROM patients WHERE allergies != NULL;
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3️⃣ ¿Cuál es la consulta correcta para mostrar el first_name de los pacientes cuyo first_name comienza con la letra 'C'?
A) SELECT first_name FROM patients WHERE first_name LIKE '%C';
B) SELECT first_name FROM patients WHERE first_name LIKE 'C%';
C) SELECT first_name FROM patients WHERE first_name = 'C*';
D) SELECT first_name FROM patients WHERE first_name STARTS 'C';
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Qué consulta selecciona los pacientes cuyo weight está en el rango de 100 a 120 (inclusive)?
A) SELECT first_name, last_name FROM patients WHERE weight >= 100 AND weight <= 120;
B) SELECT first_name, last_name FROM patients WHERE weight BETWEEN 100 TO 120;
C) SELECT first_name, last_name FROM patients WHERE weight > 100 AND weight < 120;
D) SELECT first_name, last_name FROM patients WHERE weight = (100,120);
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5️⃣ ¿Cuál es la forma correcta de actualizar la columna allergies, reemplazando los valores NULL por 'NKA'?
A) UPDATE patients SET allergies = 'NKA' WHERE allergies IS NULL;
B) UPDATE patients WHERE allergies IS NULL SET allergies = 'NKA';
C) MODIFY patients SET allergies = 'NKA' WHERE allergies IS NULL;
D) UPDATE patients SET allergies = NULL WHERE allergies = 'NKA';
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6️⃣ ¿Cómo se concatenan first_name y last_name en una sola columna para mostrar el nombre completo?
A) SELECT first_name + ' ' + last_name FROM patients;
B) SELECT CONCAT(first_name, ' ', last_name) FROM patients;
C) SELECT first_name || last_name FROM patients;
D) SELECT CONCATENATE(first_name, last_name) FROM patients;
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7️⃣ ¿Cómo mostrarías el first_name, last_name y el nombre de la provincia (province_name) de cada paciente?
A) SELECT first_name, last_name, province_name FROM patients;
B) SELECT first_name, last_name, province_name FROM patients JOIN province_names;
C) SELECT first_name, last_name, province_name FROM patients JOIN province_names ON patients.province_id = province_names.province_id;
D) SELECT first_name, last_name, province_names FROM patients;
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