March 27, 2009 at 11:29 pm
hi frends
i m doing proj on air traffic control
i hav a table like
plane_position(Flight_no varchar, DateTime datetime, Longitude float, Latitude float, Altitude float)
condition is i wanna create a trigger which will chek following conditions while insertimg a new record
1. There are at the two records present at a time corresponding to any Flight_no
2. While adding a record for some flight_no, the oldest of the two records already present is deleted according to value of datetime field
3. if less then 2 records for that flight_no are present then then add directly
plz help me frends, its urgent
March 30, 2009 at 6:28 am
This is a duplicate post. Please post answers here.
Jack Corbett
Consultant - Straight Path Solutions
Check out these links on how to get faster and more accurate answers:
Forum Etiquette: How to post data/code on a forum to get the best help
Need an Answer? Actually, No ... You Need a Question
Viewing 2 posts - 1 through 1 (of 1 total)
You must be logged in to reply to this topic. Login to reply