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Oracle 1z1-148 Exam Overview:

Oracle 1z1-148 Exam Syllabus Topics:

FAQs for Oracle Database: Advanced PL/SQL Candidates

Oracle Database: Advanced PL/SQL Sample Questions:

Question 1

Examine this declaration section:

Which two executable sections will display the message 'Summary is null'?

A. BEGIN1_emp := emp_typ ();IF NOT 1_emp. EXISTS (1) THENDBMS_OUTPUT.PUT_LINE ('Summary is null');END IFEND;
B. BEGIN1_emp. EXTEND;IF NOT 1_emp. EXISTS (1) THENDBMS_OUTPUT.PUT_LINE ('Summary is null');END IFEND;
C. BEGIN1_rec := NULL;1_emp := emp_typ (1_rec);IF 1_emp (1).expr_summary IS EMPTY THENDBMS_OUTPUT.PUT_LINE ('Summary is null');END IF;END;
D. BEGIN1_rec.emp_id :=1;1_rec.expr_summary := EMPTY_CLOB ();1_emp := emp_typ (1_rec);IF
1_emp(1).expr_summary IS NULL THENDBMS_OUTPUT.PUT_LINE ('Summary is null');END IFEND;
E. BEGIN1_rec.emp_id :=1;1_rec.expr_summary := NULL;1_emp :=emp_typ (1_rec);IF
1_emp(1).expr_summary IS NULL THENDBMS_OUTPUT.PUT_LINE ('Summary is null');END IF;END;

Question 2

Which two statements are correct about the collections before v3. DELETE is executed?

A. The value of v3 (31) (3) is 6.
B. The value of v3 (31) (1) is "hello".
C. The value of v3 (31) (1) and v3 (33) (3) are identical,
D. The values of v3 (32) (2) and v1 (2) are identical.
E. The values of v3(31) (2) and v3 (33) (2) are identical.

Question 3

Examine this function header:
FUNCTION calc_new_sal (emp_id NUMBER) RETURN NUMBER;
You want to ensure that whenever this PL/SQL function is invoked with the same parameter value across active sessions, the result is not recomputed.
If a DML statement is modifying a table which this function depends upon, the function result must be recomputed at that point in time for all sessions calling this function.
Which two actions should you perform?

A. Add the deterministic clause to the function definition.
B. Enable the result cache by using DBMS_RESULT_CACHE.BYPASS (FALSE).
C. Add the RESULT_CACHE clause to the function definition.
D. Ensure RESULT_CACHE_MAX_SIZE is greater than 0.
E. Add the RELIES_ON clause to the function definition.

Question 4

In which two situations will a result-cached function execute even though no change was made on a dependent table or view? (Choose two.)

A. when the RELIES_ON clause was not used while creating the function
B. when the results for the function have aged out of the cache
C. when a function was created with invoker's rights using AUTHID CURRENT_USER
D. when the database administrator has disabled the use of the result cache
E. when a new session was opened to invoke the function which is already cached

Question 5

Which three commands can be used to set PL/SQL conditional compilation inquiry directive MODE?

A. ALTER SESSION SET PLSQL_CCFLAGS= 'mode: NULL';
B. ALTER SESSION SET PLSQL_CCFLAGS = 'mode: FALSE';
C. ALTER SESSION SET PLSQL_CCFLAGS= 'mode: Level 1';
D. ALTER SESSION SET PLSQL_CCFLAGS= 'mode: Level1';
E. ALTER SESSION SET PLSQL_CCFLAGS= 'mode: 1'

Solutions: