[Q34-Q57] Valid 1z1-149 Practice Test Dumps with 100% Passing Guarantee [Dec-2023]

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Valid 1z1-149 Practice Test Dumps with 100% Passing Guarantee [Dec-2023]

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Oracle 1Z0-149 certification exam covers a range of topics related to PL/SQL programming, including PL/SQL language fundamentals, program control, error handling, cursors, collections, and dynamic SQL. Candidates for 1z1-149 exam are expected to have a deep understanding of all these topics, as well as experience in developing and testing PL/SQL programs.

NO.34 Which is true about EXIT and CONTINUE statements?

They can be used in any type of loop.

They must have a WHEN condition.

They have the same effect on the execution of a loop.

They must use labels.

NO.35 Which is the correct method to implement a local subprogram in an anonymous block?

NO.36 Examine this code:

What will be the outcome?

It will execute successfully and will display the user-defined error message.

It will result in an error as the range of the error code can only be from “-20000 to -20999.”

It will result in an error as the range of the error code can only be from “-1000 to -2000.”

It will result in an error as the range of the error code can only be from “-2000 to -2999.”

NO.37 Examine this table in the SH schema:

User SH executes this code:

The program must terminate with a user-defined message and no rows displayed if more than one product’s price is 1000.
With which option must “—placeholder” be replaced?

NO.38 Examine these statements from a block of code:

Which two are true? (Choose two.)

The lock acquired when executing the OPEN c1 command will be released only after a COMMIT or ROLLBACK statement is issued.

Only the PRICE column can be updated in the PRODUCTS table.

The FOR UPDATE OF clause can be used only if the WHERE CURRENT OF clause is used in the executable part of the block.

The WHERE CURRENT OF clause can be used only if the FOR UPDATE clause is used in the cursor definition.

An OPEN c1 command will acquire a lock only on the PRICE column in the PRODUCTS table.

NO.39 SERVEROUTPUT is enabled.
Which is the correct method to use a PACKAGED CONSTANT in SELECT statements?

NO.40 For which three SYSTEM EVENTS can triggers be created? (Choose three.)

DDL

AFTER AUDIT

BEFORE ANALYZE

SHUTDOWN

SERVERERROR

STARTUP

BEFORE GRANT

NO.41 Which two are true about implicit data type conversion? (Choose two.)

RAW data types are always implicitly converted to a CLOB when used in a query.

Collections can be implicitly converted to records.

ROWIDS are always implicitly converted to a number when used in a query.

Comparison between character value and a number value always implicitly converts the character value to the number data type.

Implicit data type conversion can negatively impact performance.

NO.42 Examine these statements and output:

The procedure is created successfully.

User ora2 has password ora2 in pdb1.
Which script will execute successfully?

NO.43 Sequence S and table PRODUCTS exist in your schema.
Examine the table description:

Now, examine this block of code:

Which two lines each result in a compilation error? (Choose two.)

line 1

line 6

line 8

line 2

line 3

line 7

NO.44 Which two are true about INDEX-BY tables? (Choose two.)

The index can be integer or string.

The index can be integer only.

INDEX-BY table types can be created in PL/SQL blocks only.

INDEX-BY table types can be created both with the CREATE TYPE statement and in PL/SQL blocks.

INDEX-BY table types can be created with the CREATE TYPE statement.

NO.45 Which three are true about PL/SQL subprograms? (Choose three.)

Results of a subprogram can be cached in the SGA such that sessions connected to the same instance can reuse these results when available.

Users granted execute privilege on a procedure compiled with definer’s rights require grants to access objects belonging to the definer that are referenced in the procedure.

Subprograms are cached by default and shared among users, thereby reducing memory requirements.

Reuse of parsed PL/SQL code from the shared SQL area reduces parsing overhead.

A subprogram’s session state is retained even if any of the session’s instantiated subprograms are invalidated and revalidated.

Host variables can be referenced inside any PL/SQL subprogram.

A PL/SQL procedure can invoke an external code block written in a different programming language.

NO.46 Which is true about the PLSCOPE_SETTINGS parameter?

It is deprecated in Oracle 12c.

It can be used to obtain information about all identifiers when compiling a procedure.

It can be used to control execution of specific portions of the PL/SQL code conditionally.

It can be used to control a user’s privileges on PL/SQL objects at run time.

NO.47 Which three statements are true about Implicit Cursor and Explicit Cursor? (Choose three.)

Implicit cursor returns only one record.

Explicit cursor can return more than one record.

%Isopen, %Rowtype, %Notfound, and %Found are the attributes of Explicit Cursor.

%Isopen, %Rowcount, %Notfound, and %Found are the attributes of Explicit Cursor.

%Isopen, %Type, %Notfound, and %Found are the attributes of Explicit Cursor.

%Isopen is always false in Explicit Cursor.

%Isopen is always false in Implicit Cursor.

NO.48 Which two are true about lexical units? (Choose two.)

Character literals are case-sensitive.

Spaces can be embedded in delimiters.

Identifiers include labels.

A character literal with zero characters has the BOOLEAN value NULL.

All user-defined identifiers must start with an alphabet.

NO.49 Which three are true about the procedure overloading feature? (Choose three.)

Each procedure can be a nested subprogram.

Each procedure’s formal parameters can differ in data type or name.

Each procedure must use named notation to specify the corresponding actual parameters.

Each procedure’s formal parameters must differ in name.

Each procedure can be a packaged subprogram.

Each procedure must use positional notation to specify the corresponding actual parameters.

Each procedure can be a standalone subprogram.

NO.50 Examine these statements issued by user SH which execute successfully:

DBMS_OUTPUT.PUT_LINE(p_price(i)); END LOOP; END; END products_pkg; /
Now, examine this anonymous block executed by SH:

Which is true about the anonymous block?

It will execute successfully only if PriceList is removed from the DECLARE section and defined as a standalone collection type.

It will execute successfully only if PriceList is defined as an associative array in the package and anonymous block.

It will fail at lines 6 and 7.

It will fail only at line 7.

NO.51 Which three are true about anonymous blocks and subprograms? (Choose three.)

Named subprograms cannot be called from other packages.

PROCEDURE subprograms can accept parameters.

A FUNCTION subprogram must return one or more values.

Anonymous blocks cannot use packaged variables.

Named subprograms are stored in the database server.

Anonymous blocks must always start with the Declare keyword.

FUNCTION subprograms must be called and passed through one or more parameters.

NO.52 Examine this DECLARE section:

Which line will cause an error upon execution?

line 5

line 3

line 2

line 4

line 6

NO.53 Which three statements can process a dynamic multi-row query? (Choose three.)

DECLARE

OPEN

INTO

OPEN-FOR

FETCH

WHEN

NO.54 Examine this anonymous block of code:

Which two statements are true about the results of executing it? (Choose two.)

It will set all salaries to 0 if it executes successfully.

It will always return a compile time error because it lacks an EXCEPTION section.

It might return a run time error depending on who invokes it.

It will always automatically initialize v_raise.

It will set all salaries to NULL if it executes successfully.

It will always return a run time error because v_raise is not initialized.

NO.55 Which three are true regarding code based access control (CBAC)? (Choose three.)

In a multitenant environment, the DELEGATE option of CBAC cannot be used.

CBAC roles can be granted to a program unit only if they are directly granted to its owner.

CBAC roles can be granted to a program unit only if they are the predefined roles automatically defined by the standard scripts as part of database creation.

You can use CBAC to attach database roles to a PL/SQL function or procedure only.

In CBAC, the ADMIN and DELEGATE options cannot both be granted to the same user.

You can use CBAC to attach database roles to a PL/SQL function, procedure, or package.

CBAC cannot be used to secure definer’s rights.

NO.56 Examine these statements:

Which is true?

It will result in a compilation error for protected_proc because calling_proc does not exist.

It will result in a compilation error for protected_proc because calling_proc must be prefixed with the schema name.

It will result in a successful compilation because objects referenced in an ACCESSIBLE BY clause are not checked at compile time.

With adequate privileges, PROTECTED_PROC procedure can be called by other programs apart from CALLING_PROC.

NO.57 Which is true about counter variables in a FOR loop?

It is accessible outside the body of the loop.

It cannot be NULL.

It must explicitly be declared.

It can be modified in the body of the loop.

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[Q34-Q57] Valid 1z1-149 Practice Test Dumps with 100% Passing Guarantee [Dec-2023]

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