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2 definitions found
 for identifier
From WordNet (r) 3.0 (2006) :

      n 1: a symbol that establishes the identity of the one bearing

From The Free On-line Dictionary of Computing (30 December 2018) :

     1.  A formal name used in
     source code to refer to a variable, function,
     procedure, package, etc. or in an operating system to
     refer to a process, user, group, etc.
     Each different type of entity may have a different range of
     valid identifiers or "name space".  For example, an identifier
     in C is a series of one or more letters, digits and
     underscores that does not begin with a digit.  An identifier
     has a type, e.g. integer variable, hash, variant and a
     scope, e.g. block, global.
     2.  (id) A primary key.  The column containing a
     table's primary key is frequently named after the table with
     "_id" appended, e.g. "customer_id".

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