An array is a list of values grouped into a single value. An array may be of variable length; in one record the array field may contain two elements, while in the next record, it contains six elements.
- Arrays must be wrapped in square brackets; parentheses are not supported.
\tescaped characters are supported in inputs for this data type.
Ragged arrays: The above arrays are collectively a set of ragged arrays. The number of elements in each array varies. When arrays are ragged, some array functions may return null or empty values.
Nested arrays: The last example above is a nested array, in which one array is nested inside of another.
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