摘要:
step1:add jar /home/chenweidong/lib/hive-contrib-2.1.1-cdh6.0.0.jar;add jar /home/chenweidong/lib/mysql-connector-java.jar; step2:CREATE TEMPORARY FUN 阅读全文
摘要:
非分区表复制 复制一张非分区表,使用CREATE TABLE IF NOT EXISTS AS SELECT * FROM tb_name;只复制表结构,CREATE TABLE IF NOT EXISTS AS SELECT *** FROM tb_name WHERE 1=2; PS:分区表如果 阅读全文