On September 20, 2008. Is a substitution for the natural primary key. It is just a unique identifier or number for each row that can be used for the primary key to the table. The only requirement for a surrogate primary key is that it is unique for each row in the table.

As a boy, I was ashamed to wear glasses. I memorized the eye chart, and then on the test they asked essay questions. Thursday, July 07, 2011. A Red Indian walks into a cafe with a shotgun in one hand and a bucket of buffalo manure in the other. The next morning he returns. He has his shotgun in one hand and a bucket of buffalo manure in the other.

Præsident Truman lancerede den nye doktrin i en tale til kongressen den 12.