hive建立分區分桶表

在hive中要建立分割槽表的語句為

partition

create table rating_table_p
(userid string,
movieid string,
rating string
)partitioned by(dt string)
row format delimited fields terminated by '\t'
lines terminated by '\n';

load data local inpath '/root/codes/hive_test/ml-latest-small/2003-09.data' overwrite into table rating_table_p partition(dt='2003-09');

set hive.enforce.bucketing=true;

create table rating_table_p_b
(userid string,
movieid string,
rating string
)partitioned by(datetime string)
clustered by (userid) sorted by (movieid) 
into 4 buckets
row format delimited fields terminated by '\t'
lines terminated by '\n';

Hive分割槽 分桶

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Hive分割槽表，動態分割槽，分桶表

分割槽針對的是資料的儲存路徑 分桶針對的是資料檔案 對已經分好類的檔案匯入靜態分割槽 create table tb p order oid int dt string cost double partitioned by mot string,day string row format delim...