After a long and successful day of preparing food for the banquet, it is time to clean up. There is a list of n jobs to do before the kitchen can be closed for the night. These jobs are indexed from 1 to n. Most of the cooks have already left and onl…
1.对于执行中的报错,可以在db2命令行下运行命令 : db2=>? SQLxxx 查看对应的报错原因及解决方法. 2.错误SQL0206N SQLSTATE=42703 检测到一个未定义的列.属性或参数名. SQL0206N "SQL_COU_ALL" is not valid in the context where it is used. SQLSTATE=42703 db2 => ? "42703" db2 =…