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 union give example?
A union is a user-defined type similar to structs in C except for one key difference . Structures allocate enough space to store all their members, whereas unions can only hold one member value at a time.
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