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【DM版本】:8
【操作系统】：CentOS7
【CPU】:Intel_amd64
【问题描述】*：

连接地址信息中填写了模式名，SQL未指定模式名，但执行SQL报错：

### Error querying database.  Cause: dm.jdbc.driver.DMException: Error in line: 3
Invalid table or view name [T_BUSINESS]
### The error may exist in ..BusinessesMapper.java (best guess)
### The error may involve ..BusinessesMapper.selectList
### The error occurred while executing a query
### SQL: SELECT   db_name   FROM t_business
### Cause: dm.jdbc.driver.DMException: Error in line: 3
Invalid table or view name [T_BUSINESS]
; Error in line: 3
Invalid table or view name [T_BUSINESS]; nested exception is dm.jdbc.driver.DMException: Error in line: 3
Invalid table or view name [T_BUSINESS] 

配置：

spring:
  datasource:
    url: ${SPRING_DATASOURCE_URL:jdbc:dm://127.0.0.1:5238?schema=模式名?allowMultiQueries=true}
    username: ${SPRING_DATASOURCE_USERNAME:SYSDBA}
    password: ${SPRING_DATASOURCE_PASSWORD:SYSDBA}
    driver-class-name: dm.jdbc.driver.DmDriver