Download Oracle.1z0-144.PracticeTest.2018-10-11.64q.vcex

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Exam Oracle Database 11g: Program with PL/SQL
Number 1z0-144
File Name Oracle.1z0-144.PracticeTest.2018-10-11.64q.vcex
Size 4 MB
Posted Oct 11, 2018
Download Oracle.1z0-144.PracticeTest.2018-10-11.64q.vcex

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Demo Questions

Question 1

Which statements are true about PL/SQL procedures? (Choose all that apply.)


  1. Users with definer's rights who are granted access to a procedure that updates a table must be granted access to the table itself.
  2. Reuse of parsed PL/SQL code that becomes available in the shared SQL area of the server avoids the parsing overhead of SQL statements at run time.
  3. Depending on the number of calls, multiple copies of the procedure are loaded into memory for execution by multiple users to speed up performance.
  4. A PL/SQL procedure executing on the Oracle database can call an external procedure or function that is written in a different programming language, such as C or Java.
Correct answer: BD



Question 2

The STRING_TAB table has the following structure:
  
View the Exhibit and examine the code. 
  
What is the outcome on execution?


  1. It displays 
    Output buffer not long enough. 
    This is my test string.-.
  2. It displays only 
    Output buffer not long enough, and exits the anonymous block.
  3. It displays only 
    This is my test string. - Because EXCEPTION should have been defined in the anonymous block to get the error message.
  4. It does not display any of the DBMS_OUTPUT messages and gives an error because a transaction control statement cannot be used in the exception section of a procedure.
Correct answer: C



Question 3

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


  1. The SELECT list is not known until run time.
  2. The dynamic SQL statement retrieves rows into records.
  3. You do not know how many columns a select statement will return, or what their data types will.
  4. You must use the % found SQL cursor attribute after issuing a dynamic SQL statement that is an insert or update statement.
Correct answer: AC



Question 4

View the Exhibit and examine the code. 
 
 
Why does the code give an error on execution?


  1. because the WORD_LIST variable is not visible in procedure wording
  2. because the lexicon variable is not visible in procedure ADD_ENTRY
  3. because the lexicon variable is not initialized in procedure wording
  4. because the WORD_LIST parameter in out mode cannot be of a record data type
Correct answer: A



Question 5

View the Exhibit and examine the structure of the EMP table. 
 
 
Which stages are performed when the above block is executed? (Choose all that apply)


  1. Bind
  2. Parse
  3. Fetch
  4. Execute
Correct answer: BCD



Question 6

View the Exhibit and examine the structure of the EMP table. 
  
You want to create two procedures using the overloading feature to search for employee details based on either the employee name or employee number. 
Which two rules should you apply to ensure that the overloading feature is used successfully? (Choose two.)


  1. The procedures can be either stand-alone or packaged.
  2. The procedures should be created only as packaged subprograms.
  3. The procedures should be created only as stand-alone subprograms.
  4. Each subprogram's formal parameters should differ in both name and data type.
  5. The formal parameters of each subprogram should differ in data type but can use the same names.
Correct answer: BE



Question 7

Which two statements are true about the instead of triggers? (Choose two.)


  1. Delete operations cannot be performed using the instead of triggers.
  2. The instead or triggers must be created to add or modify data through any view.
  3. The instead of triggers can be written only for views, and the before and after timing options are not valid.
  4. The check option for views is not enforced when Insertions or updates to the view are performed by using the instead of triggers.
Correct answer: CD
Explanation:
References:
References:



Question 8

Which two statements are correct about the usage of parameters in functions? (Choose two.)


  1. Functions can have only in mode parameters.
  2. Functions called in SQL statements cannot have out or in out mode parameters.
  3. Functions having in, out, or in out parameters can be called only in named PL/SQL subprograms
  4. Functions having in, out, or in out parameters can be called in PL/SQL procedures and anonymous blocks.
Correct answer: BD



Question 9

View the Exhibit and examine the structure of the employees table. 
  
Examine the following block of code:
  
What is the outcome when the above code is executed?


  1. It executes successfully.
  2. It gives an error because decode cannot be used in a PL/SQL block.
  3. It gives an error because the AVG function cannot be used in a PL/SQL block
  4. It gives an error because the MONTHS_BETWEEN function cannot be used in a PL/SQL block.
  5. It gives an error because both the AVG and decode functions cannot be used in a PL/SQL block.
Correct answer: A



Question 10

View the Exhibit to examine the PL/SQL block. 
  
Which two statements are true about the execution of the PL/SQL block? (Choose two)


  1. It executes successfully and gives the desired output.
  2. It does not execute because the definition of type population is indexed by VARCHAR2.
  3. It executes, and the string keys of an associative array are not stored in creation order, but in sorted order.
  4. It does not execute because the value that is once assigned to the element of the associative array cannot be changed.
Correct answer: AC
Explanation:
References:
References:









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