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NEW QUESTION 61
Which statements correctly describe the features of functions and procedures? (Choose all that apply.)
- A. A procedure can be executed as part of a SQL expression or as a PL/SQL statement,
- B. A function can return multiple values using a single return clause,
- C. A function can contain zero or more parameters that are transferred from the calling environment.
- D. A procedure can contain a return statement without a value.
Answer: D
Explanation:
Reference:http://docs.oracle.com/cd/B19306_01/appdev.102/b14261/subprograms.htm(usi ng the return statement)
NEW QUESTION 62
You create a procedure to handle the processing of bank current accounts which rolls back payment transactions if the overdraft limit is exceeded.
The procedure should return an "error" condition to the caller in a manner consistent with other Oracle server errors.
Which construct should be used to handle this requirement?
- A. The PRAGMA EXCEPTION_INIT function
- B. The RAISE_APPLICATION_ERROR procedure
- C. A user-defined exception used with a raise statement
- D. The SQLERRM function
Answer: B
Explanation:
Explanation/Reference:
Explanation:
References:
NEW QUESTION 63
Examine the following code:
What is the outcome?
- A. The procedure is created successfully but does not display any values when it is called because the host variables cannot be displayed inside the procedure.
- B. The procedure gives errors because the host variables cannot be referenced anywhere in the definition of a PL/SQL stored procedure.
- C. The procedure gives errors because the parameters should be in out mode.
- D. The procedure is created successfully and displays the values 20 and 30 when it is called.
Answer: B
NEW QUESTION 64
The STRING_TAB table has the following structure:
View the Exhibit and examine the code.
What is the outcome on execution?
- A. It displays only Output buffer not long enough, and exits the anonymous block.
- B. It displays only This is my test string. - Because EXCEPTION should have been defined in the anonymous block to get the error message.
- C. It displays Output buffer not long enough. This is my test string.-.
- D. It does not display any of the MEMS_PUTPUT messages and gives an error because a transaction control statement cannot be used in the exception section of a procedure.
Answer: C
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION 65
View the Exhibit and examine the structure of the SALGRADE table. Examine the following code:
What is the outcome?
- A. It gives an error because the data type of the return clause is invalid.
- B. It gives an error because the return clause condition is invalid.
- C. It gives an error because the usage of the host variables is invalid.
- D. It is created successfully.
Answer: B
NEW QUESTION 66
View the Exhibit and examine the structure of the customer table.
Examine the following trigger code:
What is the outcome when the above trigger is compiled?
- A. It gives an error because the when condition is not valid.
- B. It gives an error because the new qualifier in the when clause requires a colon prefix.
- C. It gives an error because the statements under updating are not valid.
- D. It gives an error because when cannot be used for row-level triggers.
- E. It compiles successfully.
Answer: E
NEW QUESTION 67
Which statements are true about the WHEN OTHERS exception handler? (Choose all that apply.)
- A. It can be the only exception handler for the code.
- B. It traps all the exceptions that are not already trapped.
- C. You can have multiple OTHERS clauses to trap all the multiple unhandled exceptions.
- D. It can be the first exception handler.
Answer: A,B
NEW QUESTION 68
You create the following table and execute the following code:
Which statement is true about the outcome of the above code?
- A. It executes successfully and all the rows are updated.
- B. It gives an error and all the data manipulation language (DML) statements are rolled back
- C. It gives an error but saves the inserted rows; however, no rows are updated.
- D. It gives an error but saves the inserted rows and the update to the first row.
Answer: A
NEW QUESTION 69
Consider the following scenario:
Local procedure a calls remote procedure B
Procedure A was compiled at 8 AM.
Procedure A was modified and recompiled at 9 AM.
Remote procedure B was later modified and recompiled at 11 AM.
The dependency mode is set to timestamp.
Which statement correctly describes what happens when procedure A is invoked at 1 PM?
- A. Procedure B is invalidated and recompiled again when invoked.
- B. Procedure A is invalidated and recompiles when invoked the next time.
- C. There is no effect on procedure A and it runs successfully.
- D. Procedure A is invalidated and recompiled immediately.
Answer: B
NEW QUESTION 70
View Exhibit 1 and examine the structure of the EMP table.
View Exhibit 2 and examine the PL/SQL block of code.
What is the outcome?
- A. It gives an error because the return type is not valid.
- B. It gives an error because the function call in DBMS_OUTPUT. PUT__LINE is not valid
- C. It executes successfully but does not display the names and salaries of all employees who earn the highest salary.
- D. It executes successfully and displays the names and salaries of all employees who earn the highest salary.
- E. It gives an error because the record type is not defined within the function.
Answer: C
NEW QUESTION 71
Examine the following code:
Which two statements are true about the above function? (Choose two.)
- A. It can be used only in a parallelized data manipulation language (DML) statement.
- B. It can be used only in a parallelized query.
- C. It requires a PRAGMA RESTRICT_REFERENCES declaration with RNDS, WNDS, RNPS, and WNPS specified in order to use parallel optimization.
- D. It can be used in both a parallelized query and a parallelized DML statement.
- E. It can have a separate copy run in each of the multiple processes when called from a SQL statement that is run in parallel.
Answer: C,D
NEW QUESTION 72
View the exhibit and examine the structure of the EMPLOYEE table.
EMPLOYEE_SEQ is an existing sequence.
Examine the following block of code:
Which statement is true about the above block of code?
- A. The data is automatically committed after the block execution ends,
- B. It gives an error on execution because sequences cannot be used in anonymous blocks.
- C. It consists of a single transaction,
- D. It consists of two transactions
Answer: D
NEW QUESTION 73
Examine the following block of code:
Which two statements are correct about the code above? (Choose two.)
- A. All the processing phases for the function are performed only at run time.
- B. The function goes through the parse, bind, and execute phases.
- C. Only the EXECUTE IMMEDIATE statement inside the function is parsed at run time.
- D. The function goes through the parse, bind, execute, and fetch phases.
- E. The function goes through only the parse and executes phases.
Answer: A,C
NEW QUESTION 74
View the exhibit and examine the structure of the EMPLOYEES table.
The salary of EMPLOYEE_ID 195 is 2800.
You execute the following code:
What is the outcome?
- A. It executes successfully and displays the resultant values in the following sequence: 1000, 2800,
50000, 1000. - B. It executes successfully and displays the resultant values in the following sequence- 1000, 2800
50000, 2800. - C. It gives an error because only the innermost block is labeled.
- D. It gives an error because the same variable name cannot be used across all the nested blocks.
Answer: B
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION 75
You want to create a trigger that fires whenever rows are deleted from the customer table and that displays the number of rows remaining in the table.
Which two statements are correct about the trigger to be created for the above requirement? (Choose two.)
- A. It should be an after trigger.
- B. It can be a before or an after trigger.
- C. It should be a statement-level trigger.
- D. It should be a row-level trigger.
- E. It should be a before trigger.
Answer: A,C
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION 76
View Exhibit1 and examine the structure of the employees table.
View Exhibit2 and examine the code.
What is the outcome when the code is executed?
- A. Both blocks compile and execute successfully when called.
- B. The CALC_SAL procedure gives an error on compilation because the RAISE_SALARY procedure cannot call the stand-alone increase function.
- C. The CALC_SAL procedure gives an error on compilation because the amt variable should be declared in the RAISE_SALARY procedure.
- D. Both blocks compile successfully but the CALC_SAL procedure gives an error on execution.
Answer: A
NEW QUESTION 77
Examine the following partial declare section from a block of PL/SQL code
Which line(s) in the above code are NOT valid? (Choose all that apply.)
- A. line 2
- B. line 5
- C. line 4
- D. line 3
Answer: B,D
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION 78
Which two tasks should be created as functions instead of as procedures? (Choose two.)
- A. Tasks performed in SQL that increase data independence by processing complex data analysis within the Oracle server, rather than by retrieving the data into an application
- B. Tasks that compute and return multiple values to the calling environment
- C. Reference host or bind variables in a PL7SQL block of code
- D. Tasks that compute a value that must be returned to the calling environment
Answer: C,D
Explanation:
Explanation/Reference:
Functions are used to return a value. Functions must return only a single value.
Procedure are used to perform an action.
Both functions and procedures are using to do a special task or action. In functions it is
must to return a single value, where as in procedures it's not compulsory
NEW QUESTION 79
Which two statements are true about the continue statement? (Choose two.)
- A. The current iteration of the loop completes immediately and control passes to the next iteration of the loop.
- B. The statements after the continue statement in the iteration are executed before terminating the LOOP.
- C. The PL/SQL block execution terminates immediately.
- D. The CONTINUE statement cannot appear outside a loop.
- E. The loop completes immediately and control passes to the statement after end loop.
Answer: A,D
Explanation:
Explanation/Reference:
Explanation:
NEW QUESTION 80
View Exhibit1 and examine the structure of the product table.
View Exhiblt2 and examine the procedure you created. The procedure uses the prod id to determine whether the list price is within a given range.
You then create the following trigger on the product table.
CREATE OR REPLACE TRIGGER check_price__trg
BEF0RE INSERT OR UPDATE OF prod_id, prod_list_price
ON product FOR EACH ROW
WHEN (nev.prod_id <> NVX(old.prod_id,0) OR
New.prod__list_price <> NVL(old.prod_list_price, 0) )
BEGIN
check_price (:new.prod_id) ;
END
/
Examine the following update command for an existing row in the product table.
SQL> UPDATE produce SET prod_list_price = 10 WHERE prod_id=115;
Why does it generate an error?
- A. because the WHEN clause cannot be used with a row-level trigger
- B. because the procedure call in the trigger is not valid "
- C. because both the procedure and trigger access the same table
- D. because the condition specified in the when clause is not valid
- E. because the column list specified with UPDATE in the trigger is not valid
Answer: C
NEW QUESTION 81
User SCOTT has been granted CREATE ANY TRIGGER AND ALTER ANY TABLE by the DBA. HR is an existing schema in the database.
SCOTT creates the following trigger: CREATE OR REPLACE TRIGGER drop_trigger BEFORE DROP ON hr.SCHEMA
BEGIN
RAISE_APPLICATION_ERROR (-20000, 'Cannot drop object');
END:
SCOTT does not grant the execute privilege on this trigger to any other users.
For which user(s) would this trigger fire by default when they drop an object in the hr schema?
- A. Only SCOTT
- B. Only HR
- C. SCOTT and HR
- D. SCOTT, HR, and SYS
Answer: B
NEW QUESTION 82
What is the correct definition of the persistent state of a packaged variable?
- A. It is a private variable defined in a procedure or function within a package body whose value is consistent within a user session.
- B. It is a public variable in a package specification whose value is consistent within a user session.
- C. It is a public variable in a package specification whose value is always consistent across all current active sessions.
- D. It is a private variable in a package body whose value is consistent across all current active sessions.
Answer: B
NEW QUESTION 83
......
1Z0-144 Exam topics
Candidates must know the exam topics before they start of preparation. Because it will really help them in hitting the core. Our 1Z0-144 exam dumps will include the following topics:
- Identify the Different Types of PL/SQL Blocks
- Introduction to PL/SQL
- Explain the benefits of PL/SQL
- Output Messages in PL/SQL
- Explain the Need for PL/SQL
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