An significant part is the treatment of NULL values during data processing and reports. Sometimes it ends up with arithmetic overflow errors or null values
Category: Cloudera Impala
Executing SQL Script file in Hive
The Hive scripts are used to collectively execute a series of SQL Commands. In other words, multiple SQL statements can be grouped and executed all
Batch Processing in Impala
Apache Impala is easy to manage for SQL developers because it is also a SQL framework. Apache Impala is the perfect alternative for query and
Impala – Querying in non-interactive mode
The non-interactive mode is used to run shell-scripts that admininster the zone, and the new pseudo-terminal is not allocated to this mode. Desired information can
Connecting to Impala shell
Apache Impala is an open source massively parallel processing (MPP) SQL query engine for data stored in a computer cluster running Apache Hadoop. It’s easy
Refreshing Metadata in Impala
If you are already operating in both “Hive” and “Impala-shell” and the tables created in Hive do not appear in Impala, the solution below will
Big Data & SQL 