Hive六种存储格式：
AVRO、ORC、PARQUET、RCFILE、SEQUENCEFILE、TEXTFFILE
（avro、orc、parquet、rcfile、sequencefile、textfile）
语法
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标准语法
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STORED AS AVRO / STORED AS AVROFILE
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ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.avro.AvroSerDe' STORED AS INPUTFORMAT 'org.apache.hadoop.hive.ql.io.avro.AvroContainerInputFormat' OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.avro.AvroContainerOutputFormat'
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STORED AS ORC / STORED AS ORCFILE
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ROW FORMAT SERDE 'org.apache.hadoop.hive.ql.io.orc.OrcSerde' STORED AS INPUTFORMAT 'org.apache.hadoop.hive.ql.io.orc.OrcInputFormat' OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat'
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STORED AS PARQUET / STORED AS PARQUETFILE
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ROW FORMAT SERDE 'org.apache.hadoop.hive.ql.io.parquet.serde.ParquetHiveSerDe' STORED AS INPUTFORMAT 'org.apache.hadoop.hive.ql.io.parquet.MapredParquetInputFormat' OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.parquet.MapredParquetOutputFormat'
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STORED AS RCFILE |
STORED AS INPUTFORMAT 'org.apache.hadoop.hive.ql.io.RCFileInputFormat' OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.RCFileOutputFormat'
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STORED AS SEQUENCEFILE |
STORED AS INPUTFORMAT 'org.apache.hadoop.mapred.SequenceFileInputFormat' OUTPUTFORMAT 'org.apache.hadoop.mapred.SequenceFileOutputFormat'
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STORED AS TEXTFILE |
STORED AS INPUTFORMAT 'org.apache.hadoop.mapred.TextInputFormat' OUTPUTFORMAT 'org.apache.hadoop.hive.ql.io.IgnoreKeyTextOutputFormat'
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