100 variables would be required! Note - some programming languages also require the array's data type to be declared. Once declared, the name and structure of an array cannot be changed.

Programming C without ... and combine data that belongs together in a common collection. Arrays are a good start to bundle data of the same type, especially when there is no specific meaning ...

with labeled columns of different data types such as name, address, age, and so on. Databases work the same way, with each table laid out according to a strict schema. Dataframes are structures ...