
EXAMEN CONVOCATORIA 1 BD1

Quiz
•
Information Technology (IT)
•
University
•
Hard
Víctor Suárez
Used 1+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
PL/pgSQL es un lenguaje diseñado específicamente para
programar interfaces gráficas y conectarlas con una Base de datos.
Verdadero
Falso
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una función PL/pgSQL se define con una instrucción ________________ cuya parte de
definición es un bloque, encerrado entre comillas.
CREATE FUNCTION
CREATE VIEW
CREATE TRIGGER
CREATE TABLE
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una vista PL/pgSQL puede tomar cero o más parámetros, y los tipos de los
parámetros se especifican entre paréntesis después del nombre de la función.
Verdadero
Falso
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Para declarar una variable compuesta, usamos la siguiente sintaxis de declaración:
n1 integer;
name table%rowtype;
contact customer%rowtype
n2 integer;
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Una función muy simple que incrementa su único argumento podría escribirse así:
CREATE FUNCTION sumar_uno(int4) RETURNS int4 AS '
BEGIN
RETURN $1 + 1;
END;
' LANGUAGE 'plpgsql';
CREATE FUNCTION sumar_uno(int4) RETURNS int4 AS '
BEGIN
RETURN $1 - 1;
END;
' LANGUAGE 'plpgsql';
CREATE FUNCTION sumar_uno(int4) RETURNS int4 AS '
BEGIN
RETURN $1 * 1;
END;
' LANGUAGE 'plpgsql';
CREATE FUNCTION sumar_uno(int4) RETURNS int4 AS '
BEGIN
RETURN $1;
END;
' LANGUAGE 'plpgsql';
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
PostgreSQL considera que las funciones son distintas si tienen:
Nombres diferentes
Diferente cantidad de parámetros
Tipos de datos distintos en sus parámetros
Diferente lenguaje
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Palabras claves de PostgreSQL PL/pgSQL son:
end
for
where
group by
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