View the Exhibit and examine the structure of the SALGRADE table.
Examine the following code:
What is the outcome?
A.
It is created successfully.
B.
It gives an error because the return clause condition is invalid.
C.
It gives an error because the usage of the host variables is invalid.
D.
It gives an error because the data type of the return clause is invalid.
I am getting error
PLS-00049: bad bind variable ‘MIN_SAL’
PLS-00049: bad bind variable ‘MAX_SAL’
I guess answer should be C.
C IS CORRECT
C is correct option,Bind variable is wrongly used in function.
C
La respuesta correcta es la opción C.
No se pueden referenciar y usar variables bind dentro de la definición de una función y el cuerpo de la misma.
C is correct
because return data type is boolean
is not any problem in condition when the result is same data type (boolean)
bind variable is wrong use in function , but can use in package
C
C
ALSO…. the return sintax is a trick or there is something that i don’t kcow?
@piero What do you mean by “ALSO…. the return syntax is a trick or there is something that I don’t know?” ?
return (salary >= min_sal) and (salary it means they want all the values ranged between the min_sal and the max_sal…
Answer is C.
Read here: http://stackoverflow.com/questions/5209981/use-of-bind-variable
You can’t create a procedure with a bind variable in it because stored procedures are server-side objects and bind variables only exist on the client side.
now , can use bind variable with function or procedure or both??????
The answer is C
reference error ora-00049:
http://docs.oracle.com/cd/B19306_01/server.102/b14219/plsus.htm
C, you can’t use variables outside the function referencing by bind variables.
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I feel its B because notice that these variables in return clause are not bind variable, so it will fail because they are not declared.
I dont have much faith in C because look at the question, with these exact codes, host variables will be useable sincr they are defined.
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