Hive建表语法

CREATE [TEMPORARY] [EXTERNAL] TABLE [IF NOT EXISTS] [db_name.]table_name
(
    col1Name col1Type [COMMENT col_comment],
    co21Name col2Type [COMMENT col_comment],
    co31Name col3Type [COMMENT col_comment],
    co41Name col4Type [COMMENT col_comment],
    co51Name col5Type [COMMENT col_comment],
    ……
    coN1Name colNType [COMMENT col_comment]

)
[PARTITIONED BY (col_name data_type ...)]
[CLUSTERED BY (col_name...) [SORTED BY (col_name ...)] INTO N BUCKETS]
[ROW FORMAT row_format]
	row format delimited fields terminated by 
	lines terminated by
[STORED AS file_format]
[LOCATION hdfs_path]
TBLPROPERTIES

• EXTERNAL：外部表类型

  • 内部表、外部表、临时表

• PARTITIONED BY：分区表结构

  • 普通表、分区表、分桶表

• CLUSTERED BY：分桶表结构

• ROW FORMAT：指定分隔符

  • 列的分隔符：\001

  • 行的分隔符：\n

• STORED AS：指定文件存储类型

  • ODS：avro

  • DWD：orc

• LOCATION：指定表对应的HDFS上的地址

  • 默认：/user/hive/warehouse/dbdir/tbdir

• TBLPROPERTIES：指定一些表的额外的一些特殊配置属性