A union is a special data type available in C that allows to store different data types in the same memory location . You can define a union with many members, but only one member can contain a value at any given time. Unions provide an efficient way of using the same memory location for multiple-purpose.
Read moreWhat is structure and union in programming?
A structure contains an ordered group of data objects. … Each data object in a structure is a member or field. A union is an object similar to a structure except that all of its members start at the same location in memory . A union variable can represent the value of only one of its members at a time.
Read moreHow do you use unions?
The UNION operator is used to combine the result-set of two or more SELECT statements.
Read moreWhat is structure difference between structures and unions?
Difference between Structure and Union StructUnionThe structure allows initializing multiple variable members at once.Union allows initializing only one variable member at once.It is used to store different data type values.It is used for storing one at a time from different data type values.Difference between Structure and Union – javatpoint www.javatpoint.com › structure-vs-union
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