摘要:
从上周五开始,,原来好好的代码无端端经常出现Oracle锁表...郁闷的查了两天~~ 常试了网上无数的解决方法后,,,,无意中发现..-_-!!!!原来偶当时为了测试方便,在PL/SQL里用了 Select XX for update的语句.. 然尔一用了这条语句后,Oracle直接把表给锁住了....天~~~lz可是白白花了两天时间折腾阿~~.. 看来以后用这些不知名语法时还是先查查menu安全... 阅读全文
摘要:
ISA 95Part 1: Models and TerminologyThe Part 1 of the standard defines the interface content between manufacturing control functions and other enterprise functions. The goal is to reduce the risk, cos... 阅读全文