忽然有一天,好好的系统报错:ORA-01722 invalid number 环境:Oracle9 JDBC访问数据库,之前是好的,忽然发现这个错误 后来才知道缘由 1. 代码里面执行了如下SQL语句: select mdn from tablename where mdn13…
Oracle连接字符串报错误ORA-01722:无效数字的解决方法,如下函数,用来查出名字相似于某字符串create or replace function f_GetUsers(key in varchar2, p_cursor out pkg_test.myrctype) return number is Result number; begin open p_cursor for SELEC…
常见的内存泄漏陷阱 Whether you’re new to git or a seasoned veteran there are a few pitfalls that will snare us all on occasion. Nothing too serious, more on the side of frustrating; and likely the cause of embarrassment as opposed to actual danger. After …