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Trigger trg_salary will be fired after a row is deleted from the payroll table. Message Payroll table changed." will be displayed ONE THOUSAND (1000) times before a valid SQL statement UPDATE employee SET increment = 1.05 is successfully executed. Message "New salary: 7500' will be displayed before a valid SQL statement INSERT INTO payroll values (12, 100.00, 7500.00) is successfully executed. LINORRT INTA A. True B. False

Trigger trg_salary will be fired after a row is deleted from the payroll table. Message Payroll table changed." will be displayed ONE THOUSAND (1000) times before a valid SQL statement UPDATE employee SET increment = 1.05 is successfully executed. Message "New salary: 7500' will be displayed before a valid SQL statement INSERT INTO payroll values (12, 100.00, 7500.00) is successfully executed. LINORRT INTA A. True B. False

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Assuming there is a table named payroll, with 1000 rows of data. The table contains attributes staffid (as primary key with values between 1001 and 2000), allowance, and salary. CREATE OR REPLACE TRIGGER trg_salary BEFORE INSERT OR UPDATE OF salary ON payroll FOR EACH ROW BEGIN END: DBMS_OUTPUT.PUT_LINE (`Payroll table changed.'); IF UPDATING THEN ELSE DBMS_OUTPUT.PUT_LINE(New salary: ' || :NEW.salary); DBMS_OUTPUT.PUT_LINE('ID:"||:NEW.staffid); DBMS_OUTPUT.PUT_LINE(Allowance:||:NEW.allowance); DBMS_OUTPUT.PUT_LINE('Salary:'||:NEW.salary); END IF; Given a database trigger as presented above, with the assumption of SET SERVEROUTPUT ON command is enabled, state 'True' or 'False' for each of the following statements: ✓ Trigger trg_salary will be fired after a row is deleted from the payroll table. A. True ✓ Message 'Payroll table changed.' will be displayed ONE THOUSAND (1000) times before a valid SQL statement UPDATE employee SET increment = 1.05 is successfully executed. B. False ✓ Message 'New salary: 7500' will be displayed before a valid SQL statement INSERT INTO payroll values (12, 100.00, 7500.00) is successfully executed. ✓ Message 'Payroll table changed.' will be displayed before a valid SQL statement INSERT INTO payroll values (12, 100.00, 5500.00) is successfully executed.
Transcribed Image Text:Assuming there is a table named payroll, with 1000 rows of data. The table contains attributes staffid (as primary key with values between 1001 and 2000), allowance, and salary. CREATE OR REPLACE TRIGGER trg_salary BEFORE INSERT OR UPDATE OF salary ON payroll FOR EACH ROW BEGIN END: DBMS_OUTPUT.PUT_LINE (`Payroll table changed.'); IF UPDATING THEN ELSE DBMS_OUTPUT.PUT_LINE(New salary: ' || :NEW.salary); DBMS_OUTPUT.PUT_LINE('ID:"||:NEW.staffid); DBMS_OUTPUT.PUT_LINE(Allowance:||:NEW.allowance); DBMS_OUTPUT.PUT_LINE('Salary:'||:NEW.salary); END IF; Given a database trigger as presented above, with the assumption of SET SERVEROUTPUT ON command is enabled, state 'True' or 'False' for each of the following statements: ✓ Trigger trg_salary will be fired after a row is deleted from the payroll table. A. True ✓ Message 'Payroll table changed.' will be displayed ONE THOUSAND (1000) times before a valid SQL statement UPDATE employee SET increment = 1.05 is successfully executed. B. False ✓ Message 'New salary: 7500' will be displayed before a valid SQL statement INSERT INTO payroll values (12, 100.00, 7500.00) is successfully executed. ✓ Message 'Payroll table changed.' will be displayed before a valid SQL statement INSERT INTO payroll values (12, 100.00, 5500.00) is successfully executed.
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