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Chapter 14. Arrays > Understanding Arrays

Understanding Arrays

Arrays, like lists, store multiple values within a single variable. Arrays differ from lists in two important ways:

  • Arrays, unlike lists, are an actual data type, with a special internal format that ensures that they perform very efficiently.

  • Although arrays can be used to store multiple strings or numbers (like lists), they can also be used to store complex data like arrays, queries, or structures.


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