Database polling performance issues

Question

I am using Database polling to detect database changes for OLTP application.
my doubts are
1) will it affect performance of OLTP application
2) If so what would be the impact on OLTP application
3) How we can improve performance
4) any link to get more idea about this.

Answer 1

1) will it affect performance of OLTP application
No IT WONT AFFECT BECAUSE oltp Aapplication has
Transactions that involve small amounts of data
* Indexed access to data
* Many users
* Frequent queries and updates
* Fast response times
2) If so what would be the impact on OLTP application
N/A
3) How we can improve performance
Do not poll the table for 30 secs interval poll for atleast 45 secs intervals
4) any link to get more idea about this.
N/A