达梦group by 别名
时间: 2023-08-28 19:06:29 浏览: 237
达梦数据库中,在使用group by语句时,是不允许使用别名的。引用中提到了一个sql改造的例子,如果在select中使用了别名,那么在group by语句中就需要使用原始字段名进行分组。例如,如果在select中使用了别名R.APP_NAME,那么在group by语句中就需要使用原始字段名APP_NAME进行分组。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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