>>>>> "Tom" == Tom Lane <[EMAIL PROTECTED]> writes:
Tom> I tend to agree with the opinion that Oracle's architecture Tom> is based on twenty-year-old assumptions. Back then it was Tom> reasonable to assume that database-specific algorithms could Tom> outperform a general-purpose operating system. In today's Tom> environment that assumption is not a given. In fact: Michael Stonebraker: Operating System Support for Database Management. CACM 24(7): 412-418 (1981) Abstract: Several operating system services are examined with a view toward their applicability to support of database management functions. These services include buffer pool management; the file system; scheduling, process management, and interprocess communication; and consistency control. -- 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