old_contents: from sqlalchemy import create_engine, Column, Integer, String
  from sqlalchemy.ext.declarative import declarative_base
  
  engine = create_engine('sqlite:///nodes.db')
  Base = declarative_base()
  
  class Nodes(Base):
      __tablename__ = 'nodes'
  
      clientID = Column(Integer, primary_key=True)
      mac = Column(String, unique=True)
      time = Column(String)
  
  # create tables
  Base.metadata.create_all(engine)
  
  
new_contents: from sqlalchemy import create_engine, Column, Integer, String
  from sqlalchemy.ext.declarative import declarative_base
  
  engine = create_engine('sqlite:///clients.db')
  Base = declarative_base()
  
  class Clients(Base):
      __tablename__ = 'clients'
  
      clientID = Column(Integer, primary_key=True)
      mac = Column(String, unique=True)
      time = Column(String)
  
  # create tables
  Base.metadata.create_all(engine)
  
  
subject: rename database from nodes to clients