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, the 44th President of the United States, was born on August 4, 1961 in Honolulu, Hawaii to Barack Obama, Sr. and Stanley Ann Dunham, known as Ann. Barack Obama spent most of his childhood years in Honolulu, where his mother completed college after his parents divorced. Obama started a close relationship with his maternal grandparents. In 1965, his mother remarried to Lolo Soetoro from Indonesia. Two years later, Dunham took Obama with her to Indonesia to reunite him with his stepfa