HIVE alter table 语句结构:
CREATE TABLE test (
creatingTs BIGINT,a STRING,
b BIGINT,
c STRING,
d STRING,
e BIGINT,
f BIGINT
);
如果需要删除 column f 列,可以使用以下语句:
ALTER TABLE test REPLACE COLUMNS (
creatingTs BIGINT,a STRING,
b BIGINT,
c STRING,
d STRING,
e BIGINT
);