Yes, he transferred from Occidental College and graduated in 1983.
Yes he did, here is a profile that Columbia's newspaper wrote about him in the related links section below.
He received a Bachelor's degree, in Political Science, in 1983.
Columbia
Harvard, Columbia University, and Punahou School
Obama went to Columbia University, not Yale.
Columbia is in New York City,
Barack Obama registered with the name Barack H. Obama at Columbia University.
Eisenhower
President Barack Obama attended Columbia University and majored in political science. He spent two years there and graduated in 1983.
He attended what was then called Columbia College in 1982-1983, having transferred from Occidental College in Los Angeles. He graduated from Columbia in 1983, with a degree in Political Science.
No, President Obama attended Occidental College and transferred to Columbia University during his undergraduate studies. He did his graduate studies at Harvard Law School.
Bill Gates attended Harvard University, but dropped out. Barack Obama graduated from Columbia, and got a law degree from Harvard.
No, he did not. He attended Occidental College in Los Angeles, Columbia University in New York City, and Harvard University in Cambridge (near Boston) MA.
Barack Obama attended Columbia University in New York City for his undergraduate education and then attended Harvard Law School in Cambridge, Massachusetts for his law degree.