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Any non-null value can be typed as String. A String can be anything. |
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NOTE: If a column of values fails to match another data type, the column is typed as String data. |
The length of an individual string value is limited only by the limit applied to an entire row of data, which is approximately 1 MB of characters.
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NOTE: On export to relational systems, string lengths are limited to 256 for performance reasons. |