1Z0-149 Braindumps PDF, Oracle 1Z0-149 Exam Cram
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Oracle 1Z0-149 Certification Exam is designed to test the knowledge and skills of individuals seeking to become certified in Oracle Database 19c: Program with PL/SQL. Oracle Database 19c: Program with PL/SQL certification exam is a comprehensive test that evaluates a candidate's understanding of the PL/SQL programming language and its application in designing, developing, and managing database applications.
NEW QUESTION # 33
Which two are true about using the ACCESSIBLE BY clause? (Choose two.)
- A. It must be specified in the heading of a package specification.
- B. The check is enforced by this clause for direct access and access through dynamic SQL.
- C. It can be used in the declaration of object types.
- D. It can be used for individual procedures and functions declared in a package specification.
- E. It must be specified in the heading of a package body.
Answer: C,D
Explanation:
https://docs.oracle.com/database/122/LNPLS/ACCESSIBLE-BY-clause.htm
NEW QUESTION # 34
Which three statements can process a dynamic multi-row query? (Choose three.)
- A. INTO
- B. WHEN
- C. OPEN-FOR
- D. OPEN
- E. FETCH
- F. CLOSE
- G. DECLARE
Answer: C,E,F
NEW QUESTION # 35
Examine this row of data from the EMPLOYEES table:
Now, examine this block of code which executes successfully:
What is the value of v_commission?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 36
Examine the EMPLOYEES table structure:
Now, examine this code:
Which statement is true about the result of executing this block?
- A. It will return an error at line 8.
- B. It will execute successfully provided the salary of EMP_ID 200 does not exceed the value 99999.
- C. It will execute successfully by rounding up the salary of EMP_ID 200 to the appropriate value.
- D. It will return an error at line 3.
- E. It will return an error at line 2.
Answer: B
NEW QUESTION # 37
Which code will successfully create a BODILESS PACKAGE to standardize CONSTANTS and EXCEPTIONS declarations?
- A.
- B.
- C.
- D.
Answer: D
NEW QUESTION # 38
Which block of code displays the error message "Incorrect price value"?
- A.
- B.
- C.
- D.
Answer: A
NEW QUESTION # 39
Which is the correct method to implement a local subprogram in an anonymous block?
- A.
- B.
- C.
- D.
Answer: D
NEW QUESTION # 40
Which is true about counter variables in a FOR loop?
- A. It must explicitly be declared.
- B. It is accessible outside the body of the loop.
- C. It can be modified in the body of the loop.
- D. It cannot be NULL.
Answer: D
NEW QUESTION # 41
Examine this anonymous block of code:
Which two statements are true about the results of executing it? (Choose two.)
- A. It will always return a compile time error because it lacks an EXCEPTION section.
- B. It will set all salaries to NULL if it executes successfully.
- C. It might return a run time error depending on who invokes it.
- D. It will always return a run time error because v_raise is not initialized.
- E. It will always automatically initialize v_raise.
- F. It will set all salaries to 0 if it executes successfully.
Answer: B,E
NEW QUESTION # 42
Which two are true about the PLSQL_CODE_TYPE parameter? (Choose two.)
- A. The default value is NATIVE.
- B. If set to NATIVE, programs are stored in platform dependent machine code.
- C. Changing the parameter setting automatically changes the setting for existing PL/SQL library units.
- D. If set to NATIVE, programs are stored in a PL/SQL bytecode format.
- E. It can use the REUSE SETTINGS clause to recompile a program unit without changing to the current session settings.
Answer: B,E
NEW QUESTION # 43
Which three are true about DDL triggers? (Choose three.)
- A. They fire only when a DDL statement is executed by the owner of the trigger.
- B. They cannot include the WHEN clause.
- C. They can be fired either before or after a DDL statement executes.
- D. They must be created in a disabled state.
- E. They must be created in an enabled state.
- F. They can be fired when a privilege is granted to a user.
- G. They can be fired when a table is truncated.
Answer: A,C,G
NEW QUESTION # 44
Which two are true about implicit data type conversion? (Choose two.)
- A. ROWIDS are always implicitly converted to a number when used in a query.
- B. Collections can be implicitly converted to records.
- C. Comparison between character value and a number value always implicitly converts the character value to the number data type.
- D. Implicit data type conversion can negatively impact performance.
- E. RAW data types are always implicitly converted to a CLOB when used in a query.
Answer: C,D
NEW QUESTION # 45
Which two are true about exception handling? (Choose two.)
- A. User-defined exceptions can be defined in the declarative part of any PL/SQL anonymous block, subprogram, or package.
- B. All declared exceptions are raised implicitly by the runtime system.
- C. Only predefined exceptions and user-defined exceptions can have a user-declared name associated with them.
- D. Internally defined exceptions can be handled only by the OTHERS exception handler.
- E. Predefined exceptions are globally declared in the standard package.
Answer: A,E
NEW QUESTION # 46
Examine this code:
What will be the outcome?
- A. It will result in an error as the range of the error code can only be from "-1000 to -2000."
- B. It will execute successfully and will display the user-defined error message.
- C. It will result in an error as the range of the error code can only be from "-20000 to -20999."
- D. It will result in an error as the range of the error code can only be from "-2000 to -2999."
Answer: C
NEW QUESTION # 47
Examine this table definition in the SH schema.
A row with PDT_ID = 1 exists. Which two blocks of code will execute successfully by user SH and give the same output? (Choose two.)
- A.
- B.
- C.
- D.
Answer: C,D
NEW QUESTION # 48
Examine these facts:
Table EMP exists in schema USERA with columns SALARY and EMP_ID.
EMP_ID is the primary key with values ranging from 1 to 100.
USERA now executes these statements successfully:
USERA then grants execute privilege on procedure MYPROC to USERB.
USERB exists in the database identified by pdb1 but does not have select privilege on USERA.EMP.
USERB now executes these statements:
conn userB/userB@pdb1
execute userA.myproc;
Which is true?
- A. It results in an error because Authid Definer is missing from MYPROC.
- B. It results in an error because USERB doesn't have select privilege on USERA.EMP.
- C. It results in an error because Authid Current_User is missing from MYPROC.
- D. It executes successfully.
Answer: D
NEW QUESTION # 49
Examine the SH.PRODUCTS table:
A row exists in SH.PRODUCTS with PDT_ID = 1.
Now, examine this code and output executed by SH:
Now, examine this block of code:
Which error message(s) does it display on execution by user SH?
- A. Error in inner block Error in calling block
- B. Error in inner block Error in outer block
- C. Error in inner block
- D. Error in inner block Error in outer block Error in calling block
Answer: C
NEW QUESTION # 50
Which two are true about collections and RECORD types? (Choose two.)
- A. Collections and RECORD types are always dense.
- B. All collections and RECORD types can be stored in table columns.
- C. All collections and RECORD types can be defined in PL/SQL blocks, packages, or at the schema level.
- D. A variable of RECORD type can contain fields of another RECORD type or any collection type.
- E. Only associative arrays and nested tables can have elements of RECORD type.
- F. VARRAYS, nested tables and each field in %ROWTYPE type variables have a default value of null.
Answer: E,F
NEW QUESTION # 51
In which type of trigger can :OLD and :NEW identifiers be used?
- A. AFTER STATEMENT
- B. ROW
- C. AFTER SUSPEND
- D. BEFORE STATEMENT
Answer: B
NEW QUESTION # 52
Examine these statements:
Which is true?
- A. With adequate privileges, PROTECTED_PROC procedure can be called by other programs apart from CALLING_PROC.
- B. It will result in a compilation error for protected_proc because calling_proc must be prefixed with the schema name.
- C. It will result in a compilation error for protected_proc because calling_proc does not exist.
- D. It will result in a successful compilation because objects referenced in an ACCESSIBLE BY clause are not checked at compile time.
Answer: C
NEW QUESTION # 53
Which is true about EXIT and CONTINUE statements?
- A. They have the same effect on the execution of a loop.
- B. They must use labels.
- C. They must have a WHEN condition.
- D. They can be used in any type of loop.
Answer: D
NEW QUESTION # 54
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