To store a list in a db you could use a new table: class Word(Base): __tablename__ = "words" id = Column(Integer, primary_key=True) eng = Column(String(32), unique=True) chinese = relationship("Chinese", backref="eng") def __init__(self, eng, chinese): self.eng = eng se...
{'id':7,'name':'seven'}) conn.close() # 或者按照下面的方式创建 # sql = user.insert().values(id=123, name='wu') # conn.execute(sql) # conn.close() 结果: mysql> show tables; +---+ | Tables_in_liuyao | +---+ | color | | user | +---+ 2 rows in set...
Integer, String, ForeignKey3fromsqlalchemy.orm import sessionmaker,relationship4fromsqlalchemy import create_engine56engine = create_engine("mysql+pymysql://root:@192.168.1.105:3306/s12", max_overflow=5)7Base =declarative_base()89classSystem_user(Base):10__tablename__="system_user"11username=Co...
SQL>archive log list; 4 检查数据库最小附加日志及全列日志 SQL> select SUPPLEMENTAL_LOG_DATA_MIN, SUPPLEMENTAL_LOG_DATA_ALL from v$database; 如果是为no,就执行以下语句 SQL>ALTER DATABASE ADD SUPPLEMENTAL LOG DATA; SQL>ALTER DATABASE ADD SUPPLEMENTAL LOG DATA (ALL) COLUMNS; 5将Oracle的回收机制...
1 app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql://user:password@127.0.0.1:3306/database' 常用的SQLAlchemy字段类型 上面看完了如何设置连接数据库,那么来看看,使用SQLAlchemy创建数据模型的时候,基本的字段类型如下: 类型名python中类型说明 Integer int 普通整数,一般是32位 SmallInteger int 取值范围小...
THIS IS NOT THE OFFICIAL REPO - PLEASE SUBMIT PRs ETC AT: http://github.com/sqlalchemy/sqlalchemy - sqlalchemy/lib/sqlalchemy/exc.py at d0b5ce2ad4cb6149dbe3a378665c9c093da3f4f7 · zzzeek/sqlalchemy
retval.update(dict((table, engine) for table in tables)) return retval def get_tables_for_bind(self, bind=None): """Returns a list of all tables relevant for a bind. Tables without an explicit __bind_key__ will be bound to all binds. ...
book-database-program:使用Python和SQLAlchemy的数据库项目 图书数据库程序 使用Python和SQLAlchemy的数据库项目 上传者:weixin_42117150时间:2021-04-21 PyPI 官网下载 | sqlalchemy-postgresql-json-0.4.7.tar.gz 资源来自pypi官网。 资源全名:sqlalchemy-postgresql-json-0.4.7.tar.gz ...
session.delete(u) #把映射类从会话中删除4 关于引擎引擎就是根据不同的数据库方言连接数据库的方法以下是一些例子(方法 driver:/username:passwordhost:port/database):engine = create_engine(sqlite:/) #连接基于内存的sqliteengine = create_engine(sqlite:/data.sqlite) #连接基于硬盘文件的sqliteengine = ...
Base.metadata.create_all(engine) 进入MySQL查看: mysql> use blog; Database changed mysql> show tables; +---+ | Tables_in_blog | +---+ | article_tag | | articles | | tags | | userinfos | | users | +---+ 5 rows in set (...