Using Apache Hive to convert from and to data file formats (W.I.P)

  W.I.P Using Apache Hive to convert from and to data file formats...

Read More

Apache Hive Data File Formats

The Apache Hive data file formats:  The below are the most Hive data file formats one can use it for processing variety of data format within Hive and Hadoop ecosystems. TEXTFILE SEQUENCEFILE RCFILE ORC AVRO PARQUET TEXTFILE A...

Read More

Apache Hive's pros and cons...

Apache Hive's pros and cons... Pros/advantages: It is built on top of hadoop distributed framework system. Helps querying larger datasets residing in distributed storage  It is a distributed data warehouse. Queries data...

Read More

How to find All or Any Apache Hive function quickly?

To find all or any specific Apache Hive Function/s, please type below on Hive interactive shell/CLI: SHOW FUNCTIONS;DESCRIBE FUNCTION <function_name>;DESCRIBE FUNCTION EXTENDED <function_name>; Example: hive> show...

Read More

How to resolve "Terminal initialization failed; falling back to unsupported java.lang.IncompatibleClassChangeError" in Apache Hive?

When you run Apache Hive from command prompt: /user/home: hive <enter> You may see below error or warning on Hive interactive Shell: Logging initialized using configuration in jar:file:/Library/apache-hive-1.2.1/lib/hive-common-1.2.1.jar!/hive-log4j.properties [ERROR]...

Read More

How to install and run Apache Hive in a local mode (stand alone)?

For installing and running Apache Hive in a local mode (stand alone): Step 1:  Download following software/s: a) Java software: Our system must have Java ( http://www.oracle.com/technetwork/java/javaee/downloads/index.html )...

Read More

Apache Hive Overview...

Apache Hive Overview: <Work in progress...&...

Read More