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.
Ethnicity: *Luo Kenyan (father) *English, as well as Scottish, Irish, German, Welsh, Swiss-German, French, possibly remote African (mother). Barack Obama is the 44th President of the United States, having served as President since 2009.President Obama was born in Honolulu, Hawaii.He is a Democrat.President Obama is married to lawyer and writer Michelle Obama.resident Obamaâs father, Barack Hussein Obama, was Kenyan, of the Luo tribe.