ORA-01422 exact fetch returns more than requested number of rows
Cause: The number specified in exact fetch is less than the rows returned.
Action: Rewrite the query or change number of rows requested.查询的结果集中返回多行
Cause: The number specified in exact fetch is less than the rows returned.
Action: Rewrite the query or change number of rows requested.查询的结果集中返回多行
Cause: An attempt was made to insert a NULL into the column
Action: Retry the operation with a value other than NULL.