摘要:
1.安装 netaddr 组件 pip install netaddr -i https://mirrors.aliyun.com/pypi/simple/ from netaddr import IPNetwork print('https://ipjisuanqi.com/#121.224.14 阅读全文
posted @ 2020-05-23 21:53
VipSoft
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摘要:
1.查出有哪些约束 SELECT CONSTRAINT_NAME,CONSTRAINT_TYPE,STATUS FROM USER_CONSTRAINTS WHERE TABLE_NAME ='D_DRUG_DICTIONARY'; 2.删除 唯一约束 ALTER TABLE D_DRUG_DICT 阅读全文
posted @ 2020-05-23 01:08
VipSoft
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