[Eclug] OT: SQL question

On 2006.10.08 14:42, David Krings wrote:
> I looked up the operator precedence and found a table that lists
> levels from 1 through 9 and the corresponding operators. OR was level  
> 9 and AND was level 8. The description stated that the "higher level  
> operators have precedence over lower level ones". It did not explain  
> if level 1 or level 9 is the highest level. So, based on what you  
> write AND is preferred over OR.

Since I tend not to remember precendence no matter how often I use SQL,  
I always use enough parentheses to make it obvious how I want things  
grouped.