We remain sceptical about writing an RDBMS in Java. The earlier version of TelegraphCQ was in Java and turned out to be a bit of a pain.
Some more information: Mehul A. Shah, Samuel Madden, Michael J. Franklin, Joseph M. Hellerstein: Java Support for Data-Intensive Systems: Experiences Building the Telegraph Dataflow System. SIGMOD Record 30(4): 103-114 (2001) Apart from our group, the database research group in Wisconsin also rewrote their Niagara system from Java to C++. -- Pip-pip Sailesh http://www.cs.berkeley.edu/~sailesh ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
