重複の可能性:
SQL「変換」クエリ
テーブルのさまざまな値を個別の列として表示する SQL ステートメントを作成する方法がわかりません。以下に例を示します。
Table A - Project
= = = = = = = = = = = = = =
ID | Project
= = = = = = = = = = = = = =
1 | Google
Table B - Tasks
= = = = = = = = = = = = = = = = = = = = = = = = = = = =
ID | Project ID | Task_name | Date Complete
= = = = = = = = = = = = = = = = = = = = = = = = = = = =
1 | 1 | Build | 10/30/12
2 | 1 | Revise | 11/15/12
3 | 1 | Launch | 11/30/12
SQL は次の形式で出力されます。
Website | Build Date | Revise Date | Launch Date
= = = = = = = = = = = = = = = = = = = = = = = = = = = =
Google | 10/30/12 | 11/15/12 | 11/30/12