hive 入门，
hive> select * from ljh_emp;
OK
Time taken: 0.145 seconds
hive> load data local inpath '/usr/local/hive/yc_test/test' into table ljh_emp;
Copying data from file:/usr/local/hive/yc_test/test
Copying file: file:/usr/local/hive/yc_test/test
Loading data to table default.ljh_emp
Table default.ljh_emp stats: [num_partitions: 0, num_files: 1, num_rows: 0, total_size: 51, raw_data_size: 0]
OK
Time taken: 1.944 seconds
hive> select * from ljh_emp;
OK
ljh 25000.0 male
jediael 25000.0 male
llq 15000.0 female
Time taken: 0.234 seconds, Fetched: 3 row(s)
hive>
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