Database Partitioning, Table Partitioning, and MDC for DB2 9Database configuration Take this into consideration when you make changes on a database partition that might need to be made on other database partitions as we...(more)
800x600
Storage Product Cheat Sheet
(Keeping track of product numbers for hundreds of storage
products…
along with a few quick facts on each)
Reed Wells/Denver
December
12, 2010
Name &nb...(more)
原语句如下,执行两边merge 更新操作时间很慢:
merge into
maint1.T_DWU_PAR_MOBILE_USER_STAT_M1103 a USING
maint1.TMP_DWU_PAR_MOBILE_USER_STAT_M b
ON a.user_id=b.user_id and
...(more)