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DB, dB, or db may refer to:

Science and technology[edit]

  • Decibel (dB), a logarithmic unit of measurement in acoustics and electronics
  • Dubnium (Db), a chemical element
  • Distribution board, DB in electricians' slang
  • DB connector, a size of D-subminiature electrical connector
  • Database (DB), an organized collection of data
    • Berkeley DB, a cross-platform embedded database library
    • .db, a database file extension
  • dyne:bolic GNU/Linux, a distribution of the Linux operating system

Arts and entertainment[edit]


In business[edit]


Other uses in business[edit]

Other uses[edit]

See also[edit]