Hive

How to use shell Script judgment hive Whether the database is imported dt Partitioned data ?

How to use shell Script judgment hive Whether the database is imported dt Partitioned data ? How to use python Remove the first line of all files ...
2022-03-29 00:59 views 26

Hive SQL How does it work row_number() And so on where condition ?

The preface can be found in this blog , We must have a certain understanding of the basic use of window function , There is no more nonsense here ...
2021-01-29 01:02 views 83

Big data environment --- data warehouse (hive+mysql+hadoop) The construction of

        The cluster environment has been configured zookeeper,hadoop. And distributed database hbase. In this stage, we will start the practice o...
2018-11-04 12:04 views 61
Technology
©2020-2024 ioDraw All rights reserved, Privacy Policy