Db
Think of this as the book's index at the back of a novel. Without an index, a DB must read every row to find a match (a "full table scan"). With an index, it locates the data instantly. Poor indexing is the number one cause of slow applications.
Think of this as the book's index at the back of a novel. Without an index, a DB must read every row to find a match (a "full table scan"). With an index, it locates the data instantly. Poor indexing is the number one cause of slow applications.