DataFrame.to_sql()

DataFrame.to_sql(name, con, flavor=None, schema=None, if_exists='fail', index=True, index_label=None, chunksize=None, dtype=None) [source]

Write records stored in a DataFrame to a SQL database.

Parameters:

name : string

Name of SQL table

con : SQLAlchemy engine or DBAPI2 connection (legacy mode)

Using SQLAlchemy makes it possible to use any DB supported by that library. If a DBAPI2 object, only sqlite3 is supported.

flavor : ?sqlite?, default None

DEPRECATED: this parameter will be removed in a future version, as ?sqlite? is the only supported option if SQLAlchemy is not installed.

schema : string, default None

Specify the schema (if database flavor supports this). If None, use default schema.

if_exists : {?fail?, ?replace?, ?append?}, default ?fail?

  • fail: If table exists, do nothing.
  • replace: If table exists, drop it, recreate it, and insert data.
  • append: If table exists, insert data. Create if does not exist.

index : boolean, default True

Write DataFrame index as a column.

index_label : string or sequence, default None

Column label for index column(s). If None is given (default) and index is True, then the index names are used. A sequence should be given if the DataFrame uses MultiIndex.

chunksize : int, default None

If not None, then rows will be written in batches of this size at a time. If None, all rows will be written at once.

dtype : dict of column name to SQL type, default None

Optional specifying the datatype for columns. The SQL type should be a SQLAlchemy type, or a string for sqlite3 fallback connection.

doc_Pandas
2017-01-12 04:46:46
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