Online Access Free Oracle.1Z0-144.v2022-11-03.q94 Practice Test (Page 3)

1Z0-144 Exam Question 6

Which three statements are true about wrapping? (Choose three.)

A.The PL/SQL wrapper detects and reports only syntax errors.

B.The PL/SQL wrapper detects and reports both syntax and semantic errors.

C.When wrapping a package or object type, both the body and specification should be wrapped.

D.When wrapping a package or object type, only the body should be wrapped, not the specification.

E.To change a wrapped object, the original source code needs to be modified and then wrapped again.

F.To change a wrapped object, the wrapped code can be unwrapped, modified in a text file, and then wrapped again.

1Z0-144 Exam Question 7

View Exhibit 1 and examine the structure of the EMP table.

View Exhibit 2 and examine the PL/SQL block of code.

What is the outcome?

A.It gives an error because the return type is not valid.

B.It executes successfully and displays the names and salaries of all employees who earn the highest salary.

C.It gives an error because the function call in DBMS_OUTPUT. PUT__LINE is not valid

D.It executes successfully but does not display the names and salaries of all employees who earn the highest salary.

E.It gives an error because the record type is not defined within the function.

1Z0-144 Exam Question 8

View Exhibit 1 and examine the structure of the employees table.

User SCOTT needs to generate a text report that contains the names of all employees and their salaries.
Examine the following commands issued by the DBA:
SQL>CREATE DIRECTORY my_dir AS '/temp/my_files';
SQL>GRANT WRITE ON DIRECTORY my_dir TO scott;
View Exhibit 2 and examine the procedure code.

You issue the following command:
SQL>EXEC sal_status ('MY_DIR', 'EMPREPORT.TXT')
What is the outcome?

A.It gives an error because the "no data found" condition is not handled to come out of the loop.

B.It gives an error because the text file should be opened in append mode.

C.It executes but no data is written to the text file because the FFLUSH subprogram is not used to write all the data buffered in memory to a file.

D.It gives an error because user SCOTT should be granted both read and write privileges to the directory alias.

E.It executes successfully and creates the report.

1Z0-144 Exam Question 9

Which two statements correctly differentiate functions and procedures? (Choose two.)

A.A function can be called only as part of a SQL statement, whereas a procedure can be called only as a PL7SQL statement.

B.A function can be called as part of a SQL statement or PL/SQL expression, whereas a procedure can be called only as a PL/SQL statement.

C.A function must return a value to the calling environment, whereas a procedure can return zero or more values to its calling environment.

D.A function may return one or more values to the calling environment, whereas a procedure must return a single value to its calling environment.

1Z0-144 Exam Question 10

Which two statements are true about anonymous blocks and named subprograms?
(Choose two)

A.Subprograms are by default executed with definer's rights.

B.The declare section is optional for both anonymous blocks and subprograms.

C.Both anonymous blocks and subprograms execute by default with invoker's rights.

D.The declare section is mandatory for anonymous blocks and optional for subprograms.

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