
Quiz S10
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English
University
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15 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Qué es una base de datos?
Answer explanation
Una base de datos permite almacenar, organizar y gestionar datos estructurados.
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Qué lenguaje se usa para consultar bases de datos relacionales?
Answer explanation
SQL (Structured Query Language) permite manipular datos en bases relacionales.
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Qué operación SQL se usa para leer datos?
Answer explanation
SELECT permite consultar o leer datos de una tabla.
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Qué comando (por defecto) se usa para conectarse a una base SQLite en Python?
Answer explanation
La conexión se hace con sqlite3.connect('archivo.db').
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Qué objeto permite ejecutar comandos SQL dentro de una conexión?
Answer explanation
cursor permite ejecutar sentencias SQL desde Python.
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Qué método se usa para ejecutar una consulta SQL?
Answer explanation
execute() ejecuta una instrucción SQL desde el cursor.
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
¿Qué método del cursor retorna todas las filas del resultado?
Answer explanation
fetchall() devuelve todas las filas del resultado.
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