Interested to Buy Any Domain ? << Click Here >> for more details...
what is a trigger and types of triggers
- 3 Answers
- 9186 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 db2?
What is the difference between cursor stability and repeatable read isolation levels?
What is dynamic SQL?
Hello All, We have requirment to Replace BMC Db2 Load product thru CA FAST LOADPlus product. Do anyone have JCL to for FAST LOADPLUS and what all are thing need to take in consideration.
which is the most efficient tablespace?? a.simple tablespace. b.partitioned tablespace. c.segmented tablespace. d.none of the above. please post answer with the reason.?
I need to view the number of tables existing under one particular Owner. Is it possible? If so, pl give the SQL query for this?
How to retrieve rows from a db2 table in embedded sql?
In my table having 100 Rec. How can I delete the 7th row?? (we don't know what is data inside the table)
Hi i need to write a query on the following requirement. SELECT COMM_TEXT INTO :WS_MIKM_COMM_TEXT FROM MPIPROD.MIKMV01 WHERE ACCOUNT_NO = :WFD_ACCOUNT_NO AND (SUBSTR(COMM_TEXT,1,39) = :WS_COMMENT_TEXT AND SUBSTR(COMM_TEXT,47,14) = :WS_DENY_DESC) OR (SUBSTR(COMM_TEXT,1,39) = :WS_COMMENT_TEXT) The above query is to be modified. The requirement is if both the fields are equal then that has to be given priority. In the above query if it satisfies any one it comes out without checking if both being equal is possible.
What technique is used to retrieve data from more than one table in a single SQL statement?
what are the bind parameters?
What is meant by explain?
COBOL 
