Documents Lecture 7: Foundations of Query Languages

Lecture 7: Foundations of Query Languages Tuesday, January 23, 2001 A History of DB Theory: In the Beginning... Up to 1970, a “database” was a file of records COBOL/CODASYL…

Documents Lecture 7: Foundations of Query Languages Tuesday, January 23, 2001.

Lecture 7: Foundations of Query Languages Tuesday, January 23, 2001 A History of DB Theory: In the Beginning... Up to 1970, a “database” was a file of records COBOL/CODASYL…