What is Union?

[beingchinmay]

• UNION only selects distinct values.

• When using the UNION command all selected col mns need to be of the same data type

• A UNION statement effectively does a SELECT DISTINCT on the results set.

 

[Lindacollins]

As We all know, we had an unque ability. But we didn't know what is it. To study and get some Essay Writing Tips. Write an essay yourself. Best wishes.

 

[jacks009]

Great information thanks for sharing.

 

[aditiaggarwal]

A union is an organized group of workers who collectively use their strength to have a voice in their workplace.

 

[SD Group Kolkata]

Thanks for posting.

 

[Martin smith]

An union is a special datatype in C that allows to store different data types in the same memory location.It allows efficient way of using the same memory location for multi purpose.

 

[Sdgroupkol]

Great Info keep it up.

 

[Liyans]

Union variables can be created in similar manner as structure variables.

 

[adlersmith]

An union is a particular datatype in C that allows to store different information types in the same storage place.It allows effective way of using the same memory location for dual objective.

 

[aegisinfoways]

Union and structure in C are same in concepts, except allocating memory for their members.

 

[kentowin]

A union is a special data type available in C that allows to store different data types in the same memory location.

 

[RitaRankin]

Like structure, Union in c language is a user-defined data type that is used to hold a different type of elements and It occupies less memory because it occupies the memory of largest member only.

 

[alberto-morrison]

A trade union is formed when workers join together to pursue policies and goals beneficial to one and all. In other words, a union is you and your fellow workers, acting together to better your everyday working conditions.

 

[AngelaPender]

Like structure, Union in c language is a user-defined data type that is used to hold the different type of elements.
But it doesn't occupy sum of all members size. It occupies the memory of largest member only. It shares memory of largest member.