When you subdivide a data element, you can easily rebuild it when necessary by concatenating the individual components.
Concatenating, when we talk about databases, refers to combining two or more things to make a larger one. In database parlance, we usually join two table fields that may either be from the same table or form a different one.
For example, if we try to concatenate two or more number like, 7 and 816 and 2349, the answer will 78162349.
The same thing, when talked about in terms of programming, refers to the joining of two strings together, also known as string concatenation.
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