1.内部表

hive (test1)> create table com_inner_person(id int,name string,age int,ctime timestamp) row format delimited fields terminated by ',';OKTime taken: 0.233 secondshive (test1)> load data local inpath '/opt/hadoop/person.data' into table com_inner_person;Loading data to table test1.com_inner_personTable test1.com_inner_person stats: [numFiles=1, totalSize=142]OKTime taken: 0.602 secondshive (test1)> select * from com_inner_person;OK1       王思琪  12      NULL2       张三    13      NULL3       王丽    43      NULL4       三四    23      NULL5       Python  12      NULLTime taken: 0.075 seconds, Fetched: 5 row(s)

 

 

删除表后，数据也一起删除。 

 

2.外部表

hive (test1)> create external table com_ext_person (id int,name string,age int,ctime timestamp) row format delimited fields terminated by ',' location '/opt/hadoop/external';OKTime taken: 0.205 secondshive (test1)> load data local inpath '/opt/hadoop/person.data' into table com_ext_person;Loading data to table test1.com_ext_personTable test1.com_ext_person stats: [numFiles=0, totalSize=0]OKTime taken: 0.512 secondshive (test1)> select * from com_ext_person;OK1       王思琪  12      NULL2       张三    13      NULL3       王丽    43      NULL4       三四    23      NULL5       Python  12      NULL6       spark   32      NULLTime taken: 0.086 seconds, Fetched: 6 row(s)

 

 在指定的location中查看hdfs数据

删除表后，数据仍在。