Ryan
Member since May 11, 2011
- Profile: /members/8311-ryan.htm
- URL: http://www.liberty-survival.com
- Comments: 3
Recent Blog Comments By Ryan
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Why NULL Values Should Not Be Used in a Database Unless Required
Posted on Jun 7, 2012 at 7:27 AM
@Colin, energizer bunny is right. Now if only I could find a way to unsubscribe.... read more »
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Why NULL Values Should Not Be Used in a Database Unless Required
Posted on Jul 29, 2011 at 4:47 PM
@HiredMind, I see no reason why we couldn't store an empty value for gender. The possible values would be "M", "F", or "" which would be unknown. Blank can mean that the data is not available, we do not need NULLs for this.... read more »
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Why NULL Values Should Not Be Used in a Database Unless Required
Posted on May 11, 2011 at 1:26 PM
Basically what we are saying here is that: If need to store a true/false value you would naturally choose a bit and have it exist always in the 1 or 0 state, if you allow NULL then you have created a 3rd state and it will no longer match what you are trying to represent. For a text field, the fiel... read more »