Hive3.0.0建库表命令测试

发布于:2024-04-08 ⋅ 阅读:(113) ⋅ 点赞:(0)

Hive创建表格格式如下:

create [external] table [if not exists] table_name

[(col_name data_type [comment col_comment],)]

[comment table_comment]

[partitioned by(col_name data_type [comment col_comment],)]

[clustered by (col_name,col_name,...) [sorted by (col_name [asc|desc],...)] into num_buckets BUCKETS]

[row format row_format]

[stored as file_format]

[location hdfs_path]

1、创建数据库

Create database sjl;

执行如下图所示:

2、创建内部表

create  table  if not exists  st_pptn_r_internal_text

(stcd  string,

  tm  string,

  drp  double,

  intv  string,

  pdr  string,

  dyp  double,

      wth  string)

stored as orc

tblproperties('transactional'='true')

执行如下图所示:

3、创建外部表

create external table  if not exists  st_pptn_r_external

(stcd  string,

    tm  string,

    drp  double,

    intv  string,

    pdr  string,

    dyp  double,

    wth  string)

location "/sjl"

执行如下图所示:

4、创建内部分区表

create  table  if not exists  st_pptn_r_internal_partition_text

( tm  string,

  drp  double,

  intv  string,

  pdr  string,

  dyp  double,

  wth  string)

partitioned by(stcd string)

执行如下图所示:

注意:由于stcd作为分区依据,所以stcd不要出现在字段中,否则报错如下:

5、创建外部分区表

create  external table  if not exists  st_pptn_r_external_partition

( tm  string,

      drp  double,

      intv  string,

      pdr  string,

      dyp  double,

      wth  string)

partitioned by(stcd string)

location "/sjl1"

执行如下图所示: