近日有同事遇到在编译Maven项目时出现 No compiler is provided in this environment. Perhaps you are running on a JRE rather than a JDK?的问题, 原以为这是个个例, 源于同事粗心, 配置环境出问题造成, 后到百度 ...
oracle 函数gd_getkeyvalue 实现截取源字符串sourcestrin中keystartin到keyendin中间的字符串例:select gd_getkeyvalue('key1=val1;key2=val2;','key1=',';') from dual;返回值为 val1drop function gd_getkeyvalue ...