The Qiita Advent Calendar 2021 is supported by the following companies, organizations, and services.

Advent Calendar 2021 / Database & DWH

Firebird Advent Calendar 2021

Participant2People

Subscriber8People

Category：Database & DWH

Creator：

@meijik

Firebird Advent Calendarは、オープンソースRDBMS御三家(Firebird, MySQL, PostgreSQL)の一つFirebirdに関するAdvent Calendarです。
レプリケーションを実装したFirebird 4.0もリリースされ、Firebird Developers Day (FDD) はオンラインで行われる予定です。今年の12月もFirebirdネタで盛り上がりましょう。

Series 1

Sun	Mon	Tue	Wed	Thu	Fri	Sat
28	29	30	@meijik 18th Firebird Developers Day (FDD) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@nakagami Firebird4.0 の ChaCha20 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Firebird4への移行 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Short Firebird Migration Guide to Firebird 4.0 そのいち Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
@meijik Short Firebird Migration Guide to Firebird 4.0 そのに Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Short Firebird Migration Guide to Firebird 4.0 その参 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Short Firebird Migration Guide to Firebird 4.0 その四 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Short Firebird Migration Guide to Firebird 4.0 その伍 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@nakagami LibreOffice Base 7.2 の Firebird サポート Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Short Firebird Migration Guide to Firebird 4.0 その六 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik コラム：僕とイルカとの出会いと、そのころの出来事 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
@meijik カルロスのFirebird 4.0移行本の紹介 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik カルロスのFirebird 4.0移行本インデックス Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Firebird, MySQL, PostgreSQLの暗号化機能(本体DBファイル) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Firebird 4.0 が読み書きできるのはODS13.0だけという話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@nakagami Firebird の Julia データーベースドライバー Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik InterBase Developer Editionのダウンロード Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik カルロスのFirebird 3.0移行本の紹介 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
@meijik カルロスのFirebird 3.0移行本インデックス Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Jaybird(FirebirdのJDBCドライバ)とlog4j2の脆弱性 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik 浮動小数点数(単精度、倍精度)その先は? 拡張方向(四倍精度と十進浮動小数点数(DECFLOAT))と縮小方向(float2) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Firebirdと異体字セレクタ(IVS) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@nakagami Firebird の Rust ドライバー Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik TRUNCATE TABLEの実装とDELETE FROM Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik 2022年のFirebird Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use

	@meijik 18th Firebird Developers Day (FDD) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@nakagami Firebird4.0 の ChaCha20 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Firebird4への移行 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Short Firebird Migration Guide to Firebird 4.0 そのいち Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Short Firebird Migration Guide to Firebird 4.0 そのに Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Short Firebird Migration Guide to Firebird 4.0 その参 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Short Firebird Migration Guide to Firebird 4.0 その四 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Short Firebird Migration Guide to Firebird 4.0 その伍 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@nakagami LibreOffice Base 7.2 の Firebird サポート Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Short Firebird Migration Guide to Firebird 4.0 その六 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik コラム：僕とイルカとの出会いと、そのころの出来事 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik カルロスのFirebird 4.0移行本の紹介 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik カルロスのFirebird 4.0移行本インデックス Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Firebird, MySQL, PostgreSQLの暗号化機能(本体DBファイル) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Firebird 4.0 が読み書きできるのはODS13.0だけという話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@nakagami Firebird の Julia データーベースドライバー Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik InterBase Developer Editionのダウンロード Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik カルロスのFirebird 3.0移行本の紹介 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik カルロスのFirebird 3.0移行本インデックス Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Jaybird(FirebirdのJDBCドライバ)とlog4j2の脆弱性 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik 浮動小数点数(単精度、倍精度)その先は? 拡張方向(四倍精度と十進浮動小数点数(DECFLOAT))と縮小方向(float2) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Firebirdと異体字セレクタ(IVS) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@nakagami Firebird の Rust ドライバー Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik TRUNCATE TABLEの実装とDELETE FROM Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik 2022年のFirebird Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use

Sun	Mon	Tue	Wed	Thu	Fri	Sat
28	29	30	@meijik 18th Firebird Developers Day (FDD) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@nakagami Firebird4.0 の ChaCha20 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Firebird4への移行 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Short Firebird Migration Guide to Firebird 4.0 そのいち Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
@meijik Short Firebird Migration Guide to Firebird 4.0 そのに Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Short Firebird Migration Guide to Firebird 4.0 その参 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Short Firebird Migration Guide to Firebird 4.0 その四 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Short Firebird Migration Guide to Firebird 4.0 その伍 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@nakagami LibreOffice Base 7.2 の Firebird サポート Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Short Firebird Migration Guide to Firebird 4.0 その六 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik コラム：僕とイルカとの出会いと、そのころの出来事 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
@meijik カルロスのFirebird 4.0移行本の紹介 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik カルロスのFirebird 4.0移行本インデックス Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Firebird, MySQL, PostgreSQLの暗号化機能(本体DBファイル) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Firebird 4.0 が読み書きできるのはODS13.0だけという話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@nakagami Firebird の Julia データーベースドライバー Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik InterBase Developer Editionのダウンロード Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik カルロスのFirebird 3.0移行本の紹介 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
@meijik カルロスのFirebird 3.0移行本インデックス Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Jaybird(FirebirdのJDBCドライバ)とlog4j2の脆弱性 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik 浮動小数点数(単精度、倍精度)その先は? 拡張方向(四倍精度と十進浮動小数点数(DECFLOAT))と縮小方向(float2) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik Firebirdと異体字セレクタ(IVS) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@nakagami Firebird の Rust ドライバー Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik TRUNCATE TABLEの実装とDELETE FROM Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use	@meijik 2022年のFirebird Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use

	@meijik 18th Firebird Developers Day (FDD) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@nakagami Firebird4.0 の ChaCha20 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Firebird4への移行 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Short Firebird Migration Guide to Firebird 4.0 そのいち Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Short Firebird Migration Guide to Firebird 4.0 そのに Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Short Firebird Migration Guide to Firebird 4.0 その参 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Short Firebird Migration Guide to Firebird 4.0 その四 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Short Firebird Migration Guide to Firebird 4.0 その伍 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@nakagami LibreOffice Base 7.2 の Firebird サポート Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Short Firebird Migration Guide to Firebird 4.0 その六 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik コラム：僕とイルカとの出会いと、そのころの出来事 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik カルロスのFirebird 4.0移行本の紹介 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik カルロスのFirebird 4.0移行本インデックス Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Firebird, MySQL, PostgreSQLの暗号化機能(本体DBファイル) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Firebird 4.0 が読み書きできるのはODS13.0だけという話 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@nakagami Firebird の Julia データーベースドライバー Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik InterBase Developer Editionのダウンロード Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik カルロスのFirebird 3.0移行本の紹介 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik カルロスのFirebird 3.0移行本インデックス Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Jaybird(FirebirdのJDBCドライバ)とlog4j2の脆弱性 Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik 浮動小数点数(単精度、倍精度)その先は? 拡張方向(四倍精度と十進浮動小数点数(DECFLOAT))と縮小方向(float2) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik Firebirdと異体字セレクタ(IVS) Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@nakagami Firebird の Rust ドライバー Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik TRUNCATE TABLEの実装とDELETE FROM Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use
	@meijik 2022年のFirebird Overwrite Title URL You can post either your article on Qiita or your blog post. When you participate, we will assume that you have agreed to the terms of use

You can increase the number of series when Calendar 1 is filled with more than 10 articles.

The Qiita Advent Calendar 2021 is supported by the following companies, organizations, and services.