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Merge pull request #211101 from WilliamDAssafMSFT/patch-2
Update design-elt-data-loading.md
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articles/synapse-analytics/sql-data-warehouse/design-elt-data-loading.md

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@@ -110,12 +110,11 @@ Use the following SQL data type mapping when loading Parquet files:
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| INT64 | TIME (MILLIS) | time |
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| INT64 | TIMESTAMP (MILLIS) | datetime2 |
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| [Complex type](https://github.com/apache/parquet-format/blob/master/LogicalTypes.md) | LIST | varchar(max) |
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| [Complex type](https://github.com/apache/parquet-format/blob/master/LogicalTypes.md | MAP | varchar(max) |
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| [Complex type](https://github.com/apache/parquet-format/blob/master/LogicalTypes.md) | MAP | varchar(max) |
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>[!IMPORTANT]
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>- SQL dedicated pools do not currently support Parquet data types with MICROS and NANOS precision.
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>- You may experience the following error if types are mismatched between Parquet and SQL or if you have unsupported Parquet data types:
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>**"HdfsBridge::recordReaderFillBuffer - Unexpected error encountered filling record reader buffer: ClassCastException: ..."**
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>- You may experience the following error if types are mismatched between Parquet and SQL or if you have unsupported Parquet data types: `HdfsBridge::recordReaderFillBuffer - Unexpected error encountered filling record reader buffer: ClassCastException:...`
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>- Loading a value outside the range of 0-127 into a tinyint column for Parquet and ORC file format is not supported.
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For an example of creating external objects, see [Create external tables](../sql/develop-tables-external-tables.md?tabs=sql-pool).

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