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This is a Java library for generating Universally Unique Identifiers. List of implemented UUID types: UUID Version 1: the Gregorian time-based type specified in RFC-4122; UUID Version 2: the DCE Security type with embedded POSIX UIDs specified in DCE 1.1; UUID Version 3: the name-based type specified in RFC-4122 that uses MD5 hashing; UUID Version 4: the randomly or pseudo-randomly generated type
Rel is a free, open-source, cross-platform, true relational database management system with an advanced query language called Tutorial D. Tutorial D was designed by noted database researchers and authors C J Date and Hugh Darwen. What's it for? Rel is ideal for managing personal databases. Rel is ideal for teaching relational database fundamentals. Rel is great for exploring Tutorial D, the langua
SchemaCrawler Free database schema discovery and comprehension tool SchemaCrawler is a free database schema discovery and comprehension tool. SchemaCrawler has a good mix of useful features for data governance. You can search for database schema objects using regular expressions, and output the schema and data in a readable text format. The output serves for database documentation, and is designed
特徴・機能 様々なデータベースへの接続 Oracle Database へはOCI接続(オラクルクライアント経由)、直接接続(オラクルクライアント不要)で接続出来ます。 PostgreSQL, MySQLへは直接接続(クライアントライブラリ不要)で接続出来ます。 Microsoft SQL Server へは NativeClient 経由で接続できます。 それ以外のデータベースへはADO(OLE DB)または、ODBCで接続出来ます。 SQL入力支援機能 Ctrl+SpaceでSQL文を解析しテーブル名やテーブルカラム名の入力補完が行えます。 共通表式や副照会も解析する強力な機能です。 GUIでのクエリーの設計と分析機能 GUIを使いクエリーの設計と分析を使ってクエリーを作成することができます。 実行計画取得機能 RDBMSがSQLを実行する際の実行計画(アクセスプラン)を表示します。
Welcome to our repository of data models. Check out the older data models created by Barry Williams over the years, we are trying to continue what he started many years ago. Welcome to our database design community! Discover how to build MS Access databases, SQL Server design, and explore data models from many different industries. You will learn how to organize and structure data, optimize your b
Loved by Developers Database design tool for creating schema diagrams, built for the modern development workflow. See the big picture Visualize your database schema and gain a birds-eye view of how different models fits together. Create a living document of your database schema that helps when architecting new features or onboarding new team members. Streamline your team's development workflow Dra
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