Interested to Buy Any Domain ? << Click Here >> for more details...
what is a trigger and types of triggers
- 3 Answers
- 9349 Views
- HSBC, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / satty
trigger is a set of actions that will be executed or implemented , when a defined event occur. triggering events are 1.insert, 2.update, 3.delete
triggers can be defined for a specific table and once defined then it is automatically active.
triggers are used to do a data validation and to maintain data integrity.
types of triggers:
before trigger and an after trigger.
triggers information can be stored in the sysibm.systriggers
| Is This Answer Correct ? | 7 Yes | 0 No |
Answer / anitha
A trigger is a set of actions that are run automatically when a specified change operation is performed on a specified table. The change operation can be an SQL INSERT, UPDATE, or DELETE statement, or an insert, update, or delete high level language statement in an application program.
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / anitha
A trigger is a set of actions that are run automatically when a specified change operation is performed on a specified table. The change operation can be an SQL INSERT, UPDATE, or DELETE statement, or an insert, update, or delete high level language statement in an application program
types of triggers.
• Before delete trigger
• Before insert trigger
• Before update trigger
• After delete trigger
• After insert trigger
• After update trigger
• Read only trigger (external trigger only)
| Is This Answer Correct ? | 0 Yes | 0 No |
what is check point and restart Logic ? why do we go for that ??
how to fetch first 100 rows in db2
How to resolve -818 sql code in DB2?
What is an instance in db2?
What does db2 blu stand for?
in my project..TEST is db2 8.1 version In PROD it is 7.1 if i do REORG in TEST.. can I use the same REORG jcl with out modification in PROD region (this is DB2 8.1 )? if not, what modification i need to do in my REORG control card?
What are the three DB2 date and time data types and their associated functions?
What is a DBRM, PLAN ?
what is a collection?
How do I create a table MANAGER (EMP-NO, MANAGER) where MANAGER is a foreign key which references to EMP-NO in the same table? Give the exact DDL.
how to identify the pseudo conversation by seeing the program
I have some 3 particular fields ..i want to know which all tables have those 3 fields. Is there any way to identify.. can we know by quering system tables..
COBOL 
