04 2021 档案

摘要:1.select 1/6 (整数相除除不过直接就为0) 解决办法:select cast(1 as double)/6 2.select round (0/6,2) (0除以任何数都是0,无法取小数两位0.00) 解决办法:select round (0.00/6,2) 3. select cast 阅读全文
posted @ 2021-04-27 16:21 夜半钟声到客船 阅读(300) 评论(0) 推荐(0) 编辑
摘要:Failed to open new session: java.lang.IllegalArgumentException: Cannot modify tez.queue.name at runtime. It is not in list of params that are allowed 阅读全文
posted @ 2021-04-20 11:19 夜半钟声到客船 阅读(447) 评论(0) 推荐(0) 编辑

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