Proof of equivalence between semantic expressions of derived relational algebra operators
YANG Bo1,2,3+, XUE Jinyun1
1. Jiangxi Key Lab of High Performance Computing Technology, Nanchang 330022, China 2. Institute of Software, Chinese Academy of Sciences, Beijing 100080, China 3. School of Information, Jiangxi University of Finance and Economy, Nanchang 330013, China
YANG Bo1,2,3+, XUE Jinyun1. Proof of equivalence between semantic expressions of derived relational algebra operators[J]. Journal of Frontiers of Computer Science and Technology, 2008, 2(1): 97-103.