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
Category: Apache Impala
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
Impala – Reserved Keywords as Columns
In programming languages, or in any database platforms a reserved word (also known as a reserved identifier) is a word that cannot be used as
Trimming Functions in Apache Hive & Apache Impala
Trimming functions help to remove spaces from a given string. These functions are often used in data cleansing operations during the ETL cycle. While this
HOST in which Impala is running
COORDINATOR() functionality is available from CDH 6.1 which returns the name of the host which is running the impalad daemon that is acting as the
Assignments To Prepare CCA159
Coming Soon..!!Study material / guide is under preparation. Since Cloudera has disapproved of me offering any sample questions or question patterns due to credibility concerns,
Big Data & SQL 