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Comment: fix link to Row Formats & SerDe after heading changed in DDL doc

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See Hive SerDe for an introduction to SerDes.

Built-in and Custom SerDes

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Built-in, Third-Party, and Custom SerDes
Built-in, Third-Party, and Custom SerDes
The Hive SerDe library is in org.apache.hadoop.hive.serde2. (The old SerDe library in org.apache.hadoop.hive.serde is deprecated.)

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Note: For Hive releases prior to 0.12, Amazon provides a JSON SerDe available at s3://elasticmapreduce/samples/hive-ads/libs/jsonserde.jar.

Custom SerDes

For information about custom SerDes, see How to Write Your Own SerDe in the Developer Guide.

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For the HiveQL statements that specify SerDes and their properties, see Create Table (particularly Row Format, Storage Format, and Formats & SerDe) and Alter Table (Add SerDe Properties).

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