Reproducir una canción es un ejemplo de consulta.
SQL para principantes III

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Computers
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Para realizar consultas en SQL se hace uso de la instrucción SELECT.
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3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Es su forma más simple una instrucción SELECT requiere de la clásula WHERE para funcionar.
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
El símbolo * permite seleccionar todos los campos de una tabla.
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una cláusula puede ser verdadero o falsa.
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La cláusula DISTINCT se usa para eliminar elementos repetidos en los resultados de una consulta.
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
La cláusula WHERE se usa para detectar en qué tabla se encuentra un campo.
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