Hi, I have a table that consists of 3 elements: ID - integer Date/time - integer Data - integer A single ID can exist multiple times. A single Date/time can exist multiple times. An ID & Date/time combination is unique.
What is the best way to ensure uniqueness in this table. Thanks, Andrew Stewart Software Designer Argus Controls #101 - 18445 53 AVE Surrey, BC V3S 7A4 t: 1-888-667-2091 ext : 108 t: 1-604-536-9100 ext : 108 f: 604-538-4728 w: www.arguscontrols.com<http://www.arguscontrols.com/> e: astewart at arguscontrols.com<mailto:astewart at arguscontrols.com> Notice: This electronic transmission contains confidential information, intended only for the person(s) named above. If you are not the intended recipient, you are hereby notified that any disclosure, copying, distribution, or any other use of this email is strictly prohibited. If you have received this transmission by error, please notify us immediately by return email and destroy the original transmission immediately and all copies thereof.