Download Oracle Database 11g Advanced PLSQL.1z0-146.CertDumps.2017-12-19.117q.vcex

Vendor: Oracle
Exam Code: 1z0-146
Exam Name: Oracle Database 11g Advanced PLSQL
Date: Dec 19, 2017
File Size: 8 MB
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Demo Questions

Question 1
Which two statements are true about the inlining of PL/SQL subprograms? (Choose two.)
  1. Only local subroutines can be inlined
  2. Inlining always reduces the execution time of a PL/SQL program unit
  3. PLSQL_OPTIMIZE_LEVEL must be set to a value greater than or equal to 2
  4. The PL/SQL programs that make use of relatively large helper subroutines are good candidates for inlining
Correct answer: AC
Question 2
Which three statements are true about hierarchical profiling? (Choose three.)
  1. It reduces function-level summaries
  2. It produces an aggregated report of the SQL and PL/SQL execution times
  3. It is useful for understanding the structure and control flow of complex programs
  4. It can be used to identify hotspots and tuning opportunities in PL/SQL applications
Correct answer: ACD
Question 3
Which three actions can be performed by using the DBMS_ASSERT package to prevent SQL injection? (Choose three.)
  1. Detect a wrong user
  2. Check input string length
  3. Verify qualified SQL names
  4. Validate TNS connect strings
  5. Verify an existing schema name
  6. Enclose string literals within double quotations marks
Correct answer: CEF
Question 4
Identify the method that is used by fine-grained access(FGA).
  1. Using policy functions to generate predicates dynamically
  2. Creating triggers on corresponding tables to generate dynamic predicates
  3. Modifying the existing application code to include a predicate for all SQL statements
  4. Creating views with necessary predicates and then creating synonyms with the same name as the tables
Correct answer: A
Question 5
See the Exhibit and examine the PL/SQL code for the following table:
   
Which statement is true about the compilation and execution of the function?
  1. The function retrieves the metadata in Extensible Markup Language (XML) format for creating the TIMECARDS table in the HR schema
  2. The compilation produces an error because DBMS_METADATA.SET_FILTER(h,'SCHEMA','HR') is not placed in the correct order
  3. The function retrieves the metadata as a data definition language (DDL) statement for creating the TIMECARDS table in the HR schema
  4. The execution of the function produces an error because multiple objects are fetched and DBMS_METADATA.FETCH_CLOB is not called in a LOOP
Correct answer: C
Question 6
See the Exhibit:
   
  
Examine the PL/SQL block; While executing the PL/SQL statements generates the errors, what is the reason?
  1. The DELETE(n) method cannot be used with varrys
  2. The DELETE(n) method cannot be used with nested tables
  3. The NEXT method cannot be used with an associate array with VARCHAR2 key values
  4. The NEXT method cannot be used with a nested table from which an element has been deleted
Correct answer: A
Question 7
You created a PL/SQL subprogram that successfully invokes an external C procedure. After a while, the database administrator (DBA) drops the alias library schema object. The shared library exists in the system. Which statement is true in this scenario?
  1. The corresponding shared library is also removed from the system
  2. PL/SQL subprograms can be used to invoke the external C procedure
  3. The existing extproc process is terminated and a new extproc is started
  4. The PL/SQL subprogram that depends on the external C program becomes invalid
Correct answer: D
Question 8
See the exhibit:
    
  
Which of the above INSERT statements are valid?
  1. Only the first statement is valid
  2. All the statement are valid
  3. Only the first and fourth statements are valid
  4. Only the first and second statements are valid
  5. Only the first, second and third statements are valid
Correct answer: E
Question 9
The database instance was started up using the automatic memory management feature. No value was set for the RESULT_CACHE_MAX_SIZE parameter. Examine the following initialization parameter settings for your database:
  • MEMORY_TARGET = 500M 
  • RESULT_CACHE_MODE=MANUAL 
You execute a query by using the result_cache hint. Which statement is true in this scenario?
  1. The query results are not stored because no memory is allocated for the result cache
  2. The query results are stored and 0.5% of the memory target is allocated to the result cache
  3. The query results are stored and 0.25% of the memory target is allocated to the result cache
  4. The query results are not stored because the RESULT_CACHE_MODE parameter is not set to FORCE
Correct answer: C
Question 10
Which three actions can be performed by using the DMBS_ASSERT package to prevent SQL injection? (Choose three.)
  1. Detect a wrong user
  2. Check input string length
  3. Verify qualified SQL names
  4. Validate TNS connect strings
  5. Verify an exisitng schema name
  6. Enclose string literals within double quotation marks
Correct answer: CEF
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