Before relationships, a repository had a level that is single of. All calculations that are constant that standard of information. As an example SUM(1) came back the total number of documents when you look at the dining table.

birmingham escort
Before relationships, a repository had a level that is single of. All calculations that are constant that standard of information. As an example SUM(1) came back the total number of documents when you look at the dining table. In a data that are multi-table with relationships, there are lots of degrees of information. A constant calculation such as SUM(1) features its own degree of information, really an individual line, and returns “1”. (more…)
Read More