03 2020 档案
摘要:-- oracle select substr(md5(key_id),1,1) as flag ,count(1) as cnt from ( select 1 as key_id union all select 2 as key_id union all select 3 as key_id
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摘要:https://help.aliyun.com/knowledge_detail/41751.html?spm=5176.10695662.1996646101.searchclickresult.52cf1441JfXe4V 在导出数据时报错 ERROR: Could not construct
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摘要:1. 通过查询是否有DDL或DML操作语句,因为锁表正常都是这两种导致的 2. 查询show processlist 3. 找到相应的语句,执行kill
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摘要:https://www.cnblogs.com/kawashibara/p/8961646.html
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摘要:# -*- coding: utf-8 -*- import datetime import sys,time import sys from odps import options import smtplib from email.header import Header from email.
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