1.新建连接create new database connection
2.database Url: jdbc:informix-sqli://119.84.39.35:29999/gps_prod:informixserver=ctfgps;DB_LOCALE=en_us.819;CLIENT_LOCALE=en_us.57372;NEWCODESET=GBK,8859-1,819;IFX_USE_STRENC=true;
3.连接成功！
RENAME COLUMN sm_user_district.fmms_district_id TO district_id；//已有表修改字段
alter table sm_user_district add district_name VARCHAR(150);// 已有表中新增字段
delete from gps_prod:bm_clog_manage where id=1762；//删除数据
