Oracle Database 12c Advanced PL/SQL Developer Certified Professional 1Z0-148 Oracle Questions

Oracle 1Z0-148 exam is a required test for Oracle Database Application Development certification. Oracle Database Application Development is a technical professional who Database Administration Oracle Advanced PL/SQL Development SQL Server. To help you pass Oracle 1Z0-148 exam, latest Oracle 1Z0-148 exam questions are available for you.

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Question: 1
Which two blocks of code execute successfully? 
A. DECLARESUBTYPE new_one IS BINARY_INTERGER RANGE 0..9;my_val new_one;BEGINmy_val :=0;END
B. DECLARESUBTYPE new_string IS VARCHAR2 (5) NOT NULL;my_str_new_string;BEGINmy_str :=        ‘abc’;END
C. DECLARESUBTYPE new_one IS NUMBER (2, 1);my_val new_one;BEGINmy_val :=12.5;END
D. DECLARESUBTYPE new_one IS INTEGER RANGE 1..10 NOT NULL;my_val new_one;BEGINmy_val :=2;END
E. DECLARESUBTYPE new_one IS NUMBER (1, 0);my_val new_one;BEGINmy_val := -1;END; 
Answer: A,D

Question: 2
Which statement is correct about DBMS_LOB.SETOPTIONS and DBMS_LOB.GETOPTIONS for SecureFiles? 
A. DBMS_LOB.GETOPTIONS can only be used for BLOB data types.
B. DBMS_LOB.SETOPTIONS can perform operations on individual SecureFiles but not an entire column. 
C. DBMS_LOB. SETOPTIONS can set option types COMPRESS, DUPLICATE, and ENCRYPT. 
D. If a table was not created with compression specified in the store as securefile clause then DBMS_LOB.SETOPTIONS can be used to enable it later. 
Answer: D

Question: 3 
You are designing and developing a complex database application built using many dynamic SQL statements. Which option could expose your code to SQL injection attacks? 
A. Using bind variables instead of directly concatenating parameters into dynamic SQL statements 
B. Using automated tools to generate code 
C. Not validating parameters which are concatenated into dynamic SQL statements 
D. Validating parameters before concatenating them into dynamic SQL statements E. Having excess database privileges
Answer: A

Question: 4
Which two statements are true regarding edition-based redefinition (EBR)?  
A. There is no default edition defined in the database. 
B. EBR does not let you upgrade the database components of an application while in use.
C. You never use EBR to copy the database objects and redefine the copied objects in isolation. 
D. Editions are non-schema objects. 
E. When you change an editioned object, all of its dependents remain valid. 
F. Tables are not editionable objects. 
Answer: E,F