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PyCharm でCData ODBC Driver for Btrieve を使ってみた

Btrieve にODBC データソースとしてPyCharm から連携。

CData ODBC Drivers は、ODBC をサポートするあらゆる環境から利用可能です。 本記事では、PyCharm からのCData ODBC Driver for Btrieve の利用を説明します。ODBC Deriver をデータソースとして設定する方法、データソースをクエリするPyCharm のベーシックな方法を含みます。

To begin, this tutorial will assume that you have already installed the CData ODBC Driver for Btrieve as well as PyCharm.

Pyodbc をプロジェクトに追加

Follow the steps below to add the pyodbc module to your project.

  1. Click File -> Settings to open the project settings window.
  2. Click Project Interpreter from the Project: YourProjectName menu.
  3. To add pyodbc, click the + button and enter pyodbc.
  4. Click Install Package to install pyodbc.

Btrieve への接続

You can now connect with an ODBC connection string or a DSN. See the Getting Started section in the CData driver documentation for a guide to creating a DSN on your OS.

The PSQL v13 client will need to be installed on the same machine as the driver. To connect, set the User, Password, Server, and Database properties.

Below is the syntax for a DSN:

[CData Btrieve Source] Driver = CData ODBC Driver for Btrieve Description = My Description User = myuser Password = mypassword Server = myserver Database = mydatabase

Btrieve へのクエリの実行

Instantiate a Cursor and use the execute method of the Cursor class to execute any SQL statement.

import pyodbc cnxn = pyodbc.connect('DRIVER={CData ODBC Driver for Btrieve};User = myuser;Password = mypassword;Server = myserver;Database = mydatabase;') cursor = cnxn.cursor() cursor.execute("SELECT Student_ID, Transaction_Number FROM Billing WHERE Student_ID = '22'") rows = cursor.fetchall() for row in rows: print(row.Student_ID, row.Transaction_Number)

After connecting to Btrieve in PyCharm using the CData ODBC Driver, you will be able to build Python apps with access to Btrieve data as if it were a standard database. If you have any questions, comments, or feedback regarding this tutorial, please contact us at support@cdata.com.

 
 
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