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PL/SQL Section 13 Quiz

1.  Which command would you use to see if your triggers are enabled or disabled? Tandai untuk Ditinjau (1)  Point SELECT trigger_name, status FROM USER_TRIGGERS;  (*) SELECT trigger_name, trigger_type FROM USER_TRIGGERS; SELECT object_name, status FROM USER_OBJECTS WHERE object_type = 'TRIGGER'; DESCRIBE TRIGGER Incorrect. Refer to Section 13 Lesson 5. 2.  After the following SQL statement is executed, all the triggers on the DEPARTMENTS table will no longer fire, but will remain in the database. True or False? ALTER TABLE departments DISABLE ALL TRIGGERS; Tandai untuk Ditinjau (1)  Point True  (*) False Correct 3.  A user creates the following trigger: CREATE OR REPLACE TRIGGER emp_trigg AFTER DELETE ON employees BEGIN     ... END; The user now tries to drop the EMPLOYEES table. What happens? Tandai untuk Ditinjau (1)  Point Both the table and the trigger are dropped.  (*) The table is dropped and the trigger is disabled. The ...
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PL/SQL Section 5 Quiz

  1.  Which of the following statements about the %ISOPEN cursor attribute is true? Tandai untuk Ditinjau (1)  Point If a cursor is open, then the value of %ISOPEN is false. You can issue the %ISOPEN cursor attribute only when more than one record is returned. You can issue the %ISOPEN cursor attribute only when a cursor is open. You can issue the %ISOPEN cursor attribute when a cursor is open or closed.  (*) Correct 2.  Assume that you have declared a cursor called C_EMP. Which of the following statements about C_EMP is correct? (Choose two.) Tandai untuk Ditinjau (1)  Point You can use c_emp%NOTFOUND to exit a loop. (*) You can use c_emp%ROWCOUNT to return the number of rows returned by the cursor so far. (*) You can fetch rows when c_emp%ISOPEN evaluates to FALSE. You can use c_emp%FOUND after the cursor is closed. Correct 3.  You execute the following code: DECLARE   CURSOR emp_curs IS SELECT last_name FROM employees;   v_last_n...
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PL/SQL Section 14 Quiz

1.  Which of the following statements will show whether procedure myproc is valid or invalid? Tandai untuk Ditinjau (1)  Point SELECT * FROM deptree; SELECT status FROM USER_PROCEDURES WHERE procedure_name = 'MYPROC'; SELECT status FROM USER_OBJECTS WHERE object_type = 'PROCEDURE' AND object_name = 'MYPROC';  (*) SELECT valid FROM USER_OBJECTS WHERE object_type = 'PROCEDURE' AND object_name = 'MYPROC'; Incorrect. Refer to Section 14 Lesson 1. 2.  A single procedure can be both a referenced object and a dependent object. True or False? Tandai untuk Ditinjau (1)  Point True  (*) False Correct 3.  A single PL/SQL subprogram such as a procedure can be both a referenced object and a dependent object. True or False? Tandai untuk Ditinjau (1)  Point True  (*) False Correct 4.  View dept_view is based on a select from table departments. Procedure show_dept contains code which selects from dept_view. Which of the following statements are true? (C...
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