df.to_sql(

 df.to_sql(

    name,# Name of SQL table.
    con, # sqlalchemy.engine.Engine or sqlite3.Connection
    schema=None, # Something can't understand yet. just keep it.
    if_exists='fail', # How to behave if the table already exists. You can use 'replace', 'append' to replace it.
    index=True, # It means index of DataFrame will save. Set False to ignore the index of DataFrame.
    index_label=None, # Depend on index. 
    chunksize=None, # Just means chunksize. If DataFrame is big will need this parameter.
    dtype=None, # Set the columns type of sql table.
    method=None, # Unstable. Ignore it.
)