Introduction - If you have any usage issues, please Google them yourself
Berkeley DB (DB) is a high performance, embedded database programming library, and the C language, C++, Java, Perl, Python, PHP, Tcl, and many other languages have bindings. Berkeley DB can store any type of key/value pairs, and can save more data for a key. Berkeley DB can support thousands of concurrent threads to operate the database, support the largest 256TB of data, widely used in various operating systems including most Unix-like operating system and Windows operating systems and real-time operating system