DBeaver is a free, open-source database management tool that provides a graphical interface for connecting to, querying, and managing multiple types of databases including PostgreSQL, MySQL, Oracle, SQL Server, SQLite, and many others. Developers use it to write and execute SQL queries, browse database schemas, design entity-relationship diagrams, and perform administrative tasks without writing code. It supports both relational databases and NoSQL systems, making it useful for working across different data storage backends.

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