what is trigger?
Answers were Sorted based on User's Feedback
Answer / ashish
Triggers are stored procedures created in order to enforce
integrity rules in a database. A trigger is executed every
time when database modification done.
Triggers are executed automatically on occurance of one of
the data-modification operations.
A trigger is a database object directly associated with a
particular table. It fires whenever a specific
statement/type of statement is issued against that table.
The types of statements are insert,update,delete and query
statements.
| Is This Answer Correct ? | 11 Yes | 0 No |
Answer / dsr
trigger is like as procedure.this procedure will call at
some events occuring.
| Is This Answer Correct ? | 7 Yes | 1 No |
Answer / abhisek pattnaik
Trigger is a type of programme which is automatically
executed when ever a DML operation is made on a perticular
table.
Trigger is identical with procedure but the basic
difference between them is procedure is explicitly created
& executed by the user where as trigger is explicitly
created but implicitly fired or executed when ever a DML
operation is made.
| Is This Answer Correct ? | 4 Yes | 0 No |
Answer / aysh
A database trigger is procedural code that is automatically
executed in response to certain events on a particular
table or view in a database.
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / dhanalakshmi parthasarathy
Triggers are simply stored procedures that are ran
automatically by the database whenever
some event (usually a table update) happens. We won’t spend
a great deal of time talking
about how to write triggers, because if you know how to
write stored procedures, you already
know how to write triggers. What we will discuss is how to
set them up to be executed whenever something happens to
the table.
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / felin dhivya
Trigger is an activity that takes place due to more energy
| Is This Answer Correct ? | 0 Yes | 2 No |
How to pass a cursor variable to a procedure?
List out the difference between commit, rollback, and savepoint?
How to create a new table in your schema?
Explain overloading. Can functions be overloaded?
I'm doing my final year and i ve planned to do an oracle certification , is this the rit tim nd wat's the future scope??
Oracle
0 Answers ABC, Genpact, HUI, Oracle,
What a SELECT FOR UPDATE cursor represent.?
Can anyone give me information about oracle certification
What is the difference between a hot backup and a cold backup in oracle?
What is the purpose of init.ora. ? how many init.ora exist in oracle installation? suppose there are 3 database on one oracle server, how many init.ora do I have? what are various database objects? how will you identify memmory related performace issue in oralce? any idea about basic architure difference of oracle and db2? comment on which is better , with reasons? what is a fuction based index? is it recommended to use the same. ? what is global temporay table? what is teh signification of the parameter session_cached_cursor ?
Do you know about aggregate functions? What is row num function? Can it be used all databases?
1 Answers Bravura Solutions, Cap Gemini,
How to select an oracle system id (sid)?