Explain about Triggers?

Answer Posted / madhub

By SQL query you can trigger an event. Triggers can be activated with the help of INSERT and UPDATE queries. These can be attached to tables. Triggers more than one can be triggered alphabetically. These triggers have the capability to invoke functions from other languages.

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is use of postgresql?

547


What is a foreign key example?

531


Is it postgre or postgres?

584


How do I add one column in postgresql?

580


How to connect postgresql database using pgadmin 4?

546


What is the command enable-debug?

630


What is greenplum db?

580


Which command is used to modify the rows?

542


What is an ssh tunnel?

589


What is join and how many types of joins?

604


How to write sql script in postgresql?

570


What is shared buffer in postgres?

545


How do you define a composite key?

572


What is pgbouncer in postgresql?

616


How do I download postgresql on windows?

580