Ad. To see the problems that arise in the absence of entity integrity through unique primary keys, one could picture a database where an individual's last name is used as the primary key.
Oregon Medical Marijuana Grower Laws. How much medical marijuana can I grow? The laws in regards to growing are very straightforward; you cannot grow more that 6 mature plants and 18 seedlings at any one time. A seedling is a plant less that one foot tall or wide and a mature plant is anything over 1 foot. There are no specific laws saying how big a mature plant can get either. Once the plants are harvested you will want to make sure you have only 24 ounces of usable marijuana. A grower:
Oregon Ballot Measure 91 was a 2014 ballot measure in the U.S. state of Oregon. Its passage legalized the recreational use of marijuana, based on regulation and taxation to be determined by the Oregon Liquor Control Commission.