Globally Unique Identifier - Common Uses

Common Uses

  • Intel's GUID Partition Table, or GPT, a system for partitioning hard drives.
  • Microsoft Windows uses GUIDs internally to identify the classes and interfaces of COM objects. A script can activate a specific class or object without having to know the name or location of the dynamic linked library that contains it.
  • ActiveX, a system for downloading and installing controls in a web browser, uses GUIDs to uniquely identify each control.
  • JT files use a partitioning into 4+2+2+8*1 bytes to represent nodes in the data structure and segment ID's.
  • Second Life uses GUIDs for identification of all assets in its world.
  • Database developers and administrators often use GUIDs as primary keys for database tables to ensure uniqueness between databases.

Read more about this topic:  Globally Unique Identifier

Famous quotes containing the word common:

    “It is a maxim among these lawyers, that whatever hath been done before, may legally be done again: and therefore they take special care to record all the decisions formerly made against common justice and the general reason of mankind.”
    —Jonathan Swift (1667–1745)

    “The aim of every political constitution is, or ought to be, first to obtain for rulers men who possess most wisdom to discern, and most virtue to pursue, the common good of the society; and in the next place, to take the most effectual precautions for keeping them virtuous whilst they continue to hold their public trust.”
    —James Madison (1751–1836)