Trigger in plpgsql | postgresql | Suresh Agrawal | #2
Understanding of Trigger Concept, Syntax and execution by various examples in Hindi
►Examples –
1) age should not be negative
2) length of contact number should be 10 only
3) date of birth should not be of future
4) rows should not be inserted after certain limit
5) store insertion time after insertion of row
6) selected data should not be deleted
7) data should not be deleted from table
8) store deleted data with deletion time
9) print old and new entries at the time of update
10) do not update if old and new entries are similar
►Click here to subscribe – / nsgacademy
►Download NSG Academy Android App – https://rb.gy/skn8vc
Follow NSG Academy on Social Media
►Facebook – / nsgacademypune
►Instagram – / nsgacademy
►Twitter – / nsgacademy_pune
Visit NSG Academy
►Website – http://www.nsgacademy.in
►Google – https://g.page/nsgacademy_pune
Follow me On Social Media
►Personal Facebook A/c – / suresh.agrawal.963871
►Personal Instagram A/c – / suresh.rp.agrawal