Aggregate functions occur commonly in numerous programming languages, in spreadsheets, and in relational algebra. See also Cross-tabulation a.k.a. Contingency table
Barack H. Obama is the 44th President of the United States. His story is the American story â values from the heartland, a middle-class upbringing in a strong family, hard work and education as the means of getting ahead, and the conviction that a life so blessed should be lived in service to others.
Barack Obama is a Protestant Christian, while in his twenties, Obama was involved with the Black churches. From 1992 until 2008, he was a member of the Trinity United Church of Christâa Reformed denomination. Obama left it in the wake of the Jeremiah Wright controversy.