MAPREDUCE服务 MRS-CREATE TABLE:语法
下载MAPREDUCE服务 MRS用户手册完整版
语法
①
CREATE TABLE [ IF NOT EXISTS ]
[catalog_name.][db_name.]table_name (
{ column_name data_type [ NOT NULL ]
[ COMMENT col_comment]
[ WITH ( property_name = expression [, ...] ) ]
| LIKE existing_table_name
[ { INCLUDING | EXCLUDING } PROPERTIES ]
}
[, ...]
)
[ COMMENT table_comment ]
[ WITH ( property_name = expression [, ...] ) ]
②
CREATE [EXTERNAL] TABLE [IF NOT EXISTS]
[catalog_name.][db_name.]table_name (
{ column_name data_type [ NOT NULL ]
[ COMMENT comment ]
[ WITH ( property_name = expression [, ...] ) ]
| LIKE existing_table_name
[ { INCLUDING | EXCLUDING } PROPERTIES ]
}
[, ...]
)
[COMMENT 'table_comment']
[PARTITIONED BY(col_name data_type, ....)]
[CLUSTERED BY (col_name, col_name, ...) [SORTED BY (col_name, col_name, ...)] INTO num_buckets BUCKETS] ]
[ROW FORMAT row_format]
[STORED AS file_format]
[LOCATION 'hdfs_path']
[TBLPROPERTIES (orc_table_property = value [, ...] ) ]
③
CREATE [EXTERNAL] TABLE [IF NOT EXISTS]
[catalog_name.][db_name.]table_name (
{ column_name data_type [ NOT NULL ]
[ COMMENT comment ]
[ WITH ( property_name = expression [, ...] ) ]
| LIKE existing_table_name
[ { INCLUDING | EXCLUDING } PROPERTIES ]
}
[, ...]
)
[PARTITIONED BY(col_name data_type, ....)]
[SORT BY ([column [, column ...]])]
[COMMENT 'table_comment']
[ROW FORMAT row_format]
[STORED AS file_format]
[LOCATION 'hdfs_path']
[TBLPROPERTIES (orc_table_property = value [, ...] ) ]
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