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pseudocode
what is the meaning and difference between the global and local variables.
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typically, in programing
global and local variables refer to the scope of a variable.
global variables persist throughout some section of code where local variables persist throughout a smaller subset of the code.
in oracle you can have a package that defines a global variable and is available throughout all procedures in that package but if you define a variable within one of the procedures in that package that variable is local and available only to that procedure.
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