Fact: "John's birthday is Oct 12, 1965" If you know John and you know his birthday to be Oct 12, 1965, then never mind. If you know John and you thought his birthday was a different one, then there is a conflict. If you know John and you didn't know his birthday, then you just learned something new about John. If you didn't know John then you now know of his existence and his birthday.
How does this relate to databases, DB2 and SQL?
When ingesting new data into a table it is very common that you encounter... [More]