Haitao Yang 
Practice and Research Notes in Relational Database Applications [PDF ebook] 

Relational database applications cover such a great variety of subjects and cases that professionals from the software industries or researchers on the fields of database studies might encounter at the same time distinct issues based on DBMS. This book present a detailed description of designing a generic sync middleware system, GSMS, and provides in-depth coverage of key topics including that, sync network, schemes for capturing and logging data change, change propagation, sync session optimization, etc.