key set identifier
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Key field — A key field is a field with cows in or set of fields of a database (typically a relational database) table which together form a unique identifier for a database record (a table entry). The aggregate of these fields is usually referred to simply… … Wikipedia
Globally unique identifier — A globally unique identifier (GUID, /ˈɡuːɪ … Wikipedia
Derived unique key per transaction — In cryptography, Derived Unique Key Per Transaction (DUKPT) is a key management scheme in which for every transaction, a unique key is used which is derived from a fixed key. Therefore, if a derived key is compromised, future and past transaction … Wikipedia
Globally Unique Identifier — A Globally Unique Identifier or GUID (pronEng|ˈguːɪd or IPA|/ˈgwɪd/) is a special type of identifier used in software applications in order to provide a reference number which is unique in any context (hence, Globally ), for example, in defining… … Wikipedia
Unique key — In relational database design, a unique key can uniquely identify each row in a table, and is closely related to the Superkey concept. A unique key comprises a single column or a set of columns. No two distinct rows in a table can have the same… … Wikipedia
Option key — The Option key may be labeled Alt, or Option, or both, and sometimes the symbol. The Option key is a modifier key present on Apple keyboards. It is located between the Control key and Command key on a typical Mac keyboard. There are two option… … Wikipedia
Object identifier — In computing, an object identifier or OID is an identifier used to name an object (compare URN). Structurally, an OID consists of a node in a hierarchically assigned namespace, formally defined using the ITU T s ASN.1 standard.[citation needed]… … Wikipedia
Extensible Resource Identifier — (abbreviated XRI) is a scheme and resolution protocol for abstract identifiers compatible with Uniform Resource Identifiers and Internationalized Resource Identifiers, developed by the [http://www.oasis open.org/committees/xri XRI Technical… … Wikipedia
Public-key cryptography — In an asymmetric key encryption scheme, anyone can encrypt messages using the public key, but only the holder of the paired private key can decrypt. Security depends on the secrecy of that private key … Wikipedia
Unique identifier — With reference to a given (possibly implicit) set of objects, a unique identifier is any identifier which is guaranteed to be unique among all identifiers used for those objects and for a specific purpose. There are three main types of unique… … Wikipedia
