文章分类 - db
摘要:def get_insert_str(data_dict): key_str = ",".join(list(data_dict.keys())) print(key_str) value_str = ",".join(map(lambda x: "{}".format(x) if str(x).i
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posted @ 2018-08-24 14:52
hyu9999
摘要:import osimport randomimport sys# 随机生成密匙random.randint(1, 255)_key = random.randint(1, 255)# 加密过的标示,两个字节have_encrypt_first_flag = 0x32have_encrypt_sec
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posted @ 2017-11-21 15:22
hyu9999
摘要:#ALTER TABLE ###To add a column of type varchar to a table: ALTER TABLE distributors ADD COLUMN address varchar(30); ###To drop a column from a table:
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摘要:ALTER TABLE [ IF EXISTS ] [ ONLY ] name [ * ] action [, ... ] ALTER TABLE [ IF EXISTS ] [ ONLY ] name [ * ] RENAME [ COLUMN ] column_name TO new_colum
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摘要:原因分析: postgres主键排序是不同步 解决方案: 1.显示SQL更新应用程序MyApp的所有下一个ids: python manage.py sqlsequencereset MyApp2.执行该语句: python manage.py sqlsequencereset MyApp | py
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