1Z0-148 Questions Explanations - Oracle Latest Oracle Database: Advanced PL/SQL Test Guide - Royalholidayclubbed

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1z0-148 PDF DEMO:

QUESTION NO: 1
Which two blocks of code execute successfully?
A. DECLARE
SUBTYPE new_one IS BINARY_INTERGER RANGE 0..9; my_val new_one; BEGIN my_val :=0; END;
B. DECLARE
SUBTYPE new_string IS VARCHAR2 (5) NOT NULL; my_str_new_string; BEGIN my_str := 'abc'; END;
C. DECLARE
SUBTYPE new_one IS NUMBER (2, 1); my_val new_one; BEGIN my_val :=12.5; END;
D. DECLARE
SUBTYPE new_one IS INTEGER RANGE 1..10 NOT NULL; my_val new_one; BEGIN my_val :=2; END;
E. DECLARE
SUBTYPE new_one IS NUMBER (1, 0); my_val new_one; BEGIN my_val := -1;
END;
Answer: A,E

QUESTION NO: 2
Which is the correct method for releasing unused money after deleting elements of a collection?
A. Flush the shared pool using the ALTER SYSTEM command.
B. Use the TRUNCATE method on the collection.
C. Execute DBMS_SESSION.FREE_UNUSED_USER_MEMORY.
D. Execute DBMS_SHARED_POOL.UNKEEP.
Answer: C

QUESTION NO: 3
The STUDENTS table exists in your schema.
Examine the DECLARE section of a PL/SQL block:
Which two blocks are valid?
A. BEGINOPEN stcur;cursor3 :=stcur;END;
B. BEGINOPEN cursor1 FOR SELECT * FROM students;cursor2 :=cursor1;END;
C. BEGINOPEN stcur;cursor1 :=stcur;END;
D. BEGINOPEN cursor3 FOR SELECT * FROM students;cursor1 :=cursor3;END;
E. BEGINOPEN cursor1 FOR SELECT * FROM students;stcur :=cursor1;END;
Answer: B,D

QUESTION NO: 4
Which two statements are true with respect to fine-grained access control?
A. It can be used to implement column masking.
B. Separate policies are required for queries versus INSERT/UPDATE/DELETE statements.
C. The DBMS_FGA package is used to set up fine-grained access control.
D. It implements security rules through functions and associates these security rules with tables, views or synonyms.
E. It is implemented by end users.
Answer: B,D

QUESTION NO: 5
Examine these statements:
Which two corrections will allow this anonymous block to execute successfully?
A. Add wk# .NEXT; before the 7th line.
B. Add wk#. EXTEND (1); before the 5th line.
C. Add i PLS_INTEGER; before the 3rd line.
D. Replace lines 5 and 6 with wk# (i) := tp_rec# (i, i);
E. Change line #2 to wk# tp_test# := tp_test# (tp_rec# ());
Answer: B,D

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Updated: May 28, 2022

by RHC.

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