This is a collection of articles that published in this blog that explain how to use Hive to import and export data.
Exporting HIve Data – Parameters
This is the third and last installment in the “Exporting Hive Data to HDFS” and “Exporting Hive Data to Local File System” series. And now we’ll discuss the remaining parameters, which were not addressed in the previous blogs but are required for exporting the data. Look at the below example: INSERT OVERWRITE LOCAL DIRECTORY ‘Desktop/Docs/deptdir’ROW…
Exporting Hive Table Data To HDFS
We frequently import and export data to and from Hive in a variety of scenarios. This article will show you how to save data to HDFS or a local file system as a text file or in any other file type. The following is the syntax to EXPORT the data from Hive. INSERT OVERWRITE [LOCAL]…
Exporting Hive Table Data To Local System
This is a follow-up to the previous topic, “Exporting data from Hive to HDFS.” This time, though, we’ll learn how to export to a local file system. The syntax is the same as in the last post, but it requires the addition of the term “LOCAL.” –Exporting data into HOME directory.> INSERT OVERWRITE LOCAL DIRECTORY…
Loading Data From HDFS into Hive
Importing data into an RDBMS is a separate feature or function, although it is one of the DML commands in Hive. Data may be imported into a Hive table from HDFS or a local system. We’ll speak about importing data from HDFS into Hive in this post. Syntax: LOAD DATA INPATH <HDFS-Location> OVERWRITE INTO TABLE…
Loading Data From Local File System to Hive
Importing data into an RDBMS is a separate feature or function, although it is one of the DML commands in Hive. Data may be imported into a Hive table from HDFS or a local system. We’ll speak about importing data from local file system into Hive in this post. Syntax: LOAD DATA LOCAL INPATH <HDFS-Location>…
Loading Multiple FIles in Hive
Loading data from many flat files into an RDBMS is a challenging operation. But in Hive, it won’t take long since Apache Hive is designed to make it easy to load, read, write, and manage massive and multiple datasets stored in distributed storage using SQL.The example below will show you how to load several flat…