oracle查询合并两个字段：wmsys.wm_concat(name)

1.普通查询：select  * from t_company_department

2.wmsys.wm_concat() 函数，合并到同一个字段：select wmsys.wm_concat(name)  name from t_company_department  

3.id与name字段合并：

 select wmsys.wm_concat(id) ||'HelloWord'|| wmsys.wm_concat(name)  name from t_company_department