Renovate 1Z0-144: Actualtests real testing bible from 41 to 50

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Q41. Which two tasks should be created as functions instead of as procedures? (Choose two.) 

A. Reference host or bind variables in a PL7SQL block of code 

B. Tasks that compute and return multiple values to the calling environment 

C. Tasks that compute a value that must be returned to the calling environment 

D. Tasks performed in SQL that increase data independence by processing complex data analysis within the Oracle server, rather than by retrieving the data into an application 

Answer: A,C 

Explanation: Explanation/Reference: 

Functions are used to return a value. Functions must return only a single value. 

Procedure are used to perform an action. 

Both functions and procedures are using to do a special task or action. In functions it is 

must to return a single value, where as in procedures it’s not compulsory 


Q42. Identify situations in which the DBMS_SQL package is the only applicable method of processing dynamic SQL. (Choose all that apply.) 

A. When a query returns multiple rows 

B. When a column name in a where clause is unknown at compile time. 

C. When the number of columns selected in a query is not known until run time 

D. When a table needs to be created based on an existing table structure at run time 

E. When privileges need to be granted to a new user to access an existing schema at run time 

Answer: B,C 


Q43. You execute the following block of code: 

Which statement is true about the outcome? 

A. Both Output statements show different values. 

B. Both output statements show exactly the same values. 

C. It gives an error because the nested blocks are not labeled. 

D. It gives an error because the V_CUSTOMER variable have different types in the nested blocks 

Answer:


Q44. Which statements are true about the WHEN OTHERS exception handler? (Choose all that apply) 

A. It can be the first exception handler. 

B. It can be the only exception handler for the code. 

C. It traps all the exceptions that are not already trapped. 

D. You can have multiple OTHERS clauses to trap all the multiple unhandled exceptions. 

Answer:

Explanation: Reference: 

http://www.techonthenet.com/oracle/exceptions/when_others.php 


Q45. View Exhibit1 and examine the structure of the EMP table. 

View Exhibit2 and examine the PIVSQL block of code. 

What is the outcome? 

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

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

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

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

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

Answer:


Q46. View the Exhibit and examine the package code created by SCOTT. The execute privilege on this package is granted to green. 

Examine the following sequence of commands issued by SCOTT: 

What is the outcome? 

A. SCOTT’S session displays 5, and then 0, greets session displays 0. 

B. SCOTT’S session displays 5, and then 0; green's session displays 5. 

C. SCOTT’S session displays 5, and then 5 again, green's session displays 0. 

D. SCOTT’S session displays 5, and then 5 again; green's session displays 5. 

Answer:


Q47. 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. 

Answer: A,B 


Q48. /temp/my_files is an existing folder in the server, facultylist.txt is an existing text file in this folder 

Examine the following commands that are executed by the DBA: 

SQL>CREATE DIRECTION my_dir AS ‘ /temp/my_files’: 

SQL>GRANT READ ON DIRECTORY my_dir To pubiic: 

View the Exhibit and examine the procedure created by user SCOTT to read the list of faculty names from the text file. 

SCOTT executes the procedure as follows: 

SQL>SET SERVEROUTPUT ON 

SQL>EXEC read_file (‘MY_DIR’, FACULTYLIST.TXT’) 

What is the outcome? 

A. It goes into an infinite loop. 

B. It executes successfully and displays only the list of faculty names. 

C. It does not execute and displays an error message because the end-of-file condition is not taken care of. 

D. It executes successfully and displays the list of faculty names followed by a "no data found” error message. 

Answer:


Q49. Identify two situations where the DBMS_SQL package should be used. (Choose two.) 

A. The SELECT list is not known until run time. 

B. The dynamic SQL statement retrieves rows into records. 

C. You do not know how many columns a select statement will return, or what their data types will. 

D. You must use the %found SQL cursor attribute after issuing a dynamic SQL statement that is an insert or update statement. 

Answer: A,C 


Q50. Which two statements are true about the PL/SQL initialization parameters? (Choose two.) 

A. To use native code compilation, PLSQL_OPTIMIZE_I.EVEL should be set to a value less than or equal to l. 

B. The default value of 2 for PLSQL_OPTIMI2E_LEVEL allows the compiler to rearrange code for better performance. 

C. Setting PLSQL_CODE_TYPE to native provides the greatest performance gains only for computation-intensive procedural operations. 

D. Changing the value of the PLSQL_CODE_TYPE parameter affects all the PL/SQL library units that have already been compiled 

Answer: B,C