Author Question: Briefly describe three types of triggers. What will be an ideal ... (Read 81 times)

Beheh

  • Hero Member
  • *****
  • Posts: 520
Briefly describe three types of triggers.
 
  What will be an ideal response?

Question 2

Transactions should be written to the log before they are applied to the database itself.
 
  Indicate whether the statement is true or false



epscape

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

Common types of triggers include BEFORE triggers, AFTER triggers, and INSTEAD OF triggers. BEFORE triggers are modules of procedural logic that the DBMS automatically invokes before inserting, updating, or deleting data. An AFTER trigger is a module of procedural logic that the DBMS automatically invokes after inserting, updating, or deleting data. INSTEAD OF triggers are modules of procedural logic that the DBMS automatically invokes in place of inserting, updating, or deleting data.

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

For a complete list of videos, visit our video library