How to optimize Hive Performance ?
Answer : Tez-Execution Engine in Hive – Tez is a new application….
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Hive
27 posts
What is the difference between ‘select from table’ and ‘select column from table’ in hive ?
Answer : Table in Hive is stored as a directory in the HDFS…
What is the difference between hive view and a hive external table When should it be used ?
Answer : When the user queries table x the query planner….
What is the Difference between apache hive and impala ?
Answer : Hive generates query expressions at compile
time…
What is the difference between Apache Hive and Apache Spark ?
Answer : Apache hive is a distributed query…
What is the difference between a normal hive table and hive table stored as ORC ?
Answer : Hive data is organized into Databases….
What is a difference between terradata SQL and Hive QL ?
Answer : Sql is a database however hive is not a database
What is the Relationship Between Hadoop Hbase and Hive ?
Answer : Hadoop is an open source software stack that runs on a cluster of machines
What is the location where “Hive” stores table data ?
Answer : The default location of the hive table is….
What is the best way to take the back up of hive partitioned table into a disk ?
Answer : Partitioning is the optimization technique in Hive which improves the performance significantly.
What is the best studio software/tool to run HIVE SQL/HQL queries by a data analyst ?
Answer : Hue has a Web SQL Editor with autocomplete, display of table/data samples, light graphing, query download
What is best practice indexing hdfs data into solr using hive ?
Answer : Here,based on the requirement especially how typically your data gets updated, volume and architecture.
What is the result of clustering a partitioned table in Hive ?
Answer : Partitioning data is used for distributing load horizontally, helps to organizing data in a very logical fashion.
What is the version control tool for hive queries ?
Answer : Functionality to write & run multiple queries concurrently for the same user in the same session it used Hive, Impala
What is a tool for tuning hive queries ?
Answer : By doing compression at various phases (i.e. on final output, intermediate data),we achieve performance improvement in Hive Queries.
What is a map join and a bucket join in Hive ?
Answer : Map join may be a little-known feature of Hive.
What is the use of hive language ?
Answer : Hive is often used as the interface to an Apache Hadoop based data warehouse
What is DDL statement in hive ?
Answer : The outline of the database schema typically change by SQL statements they are creating, deleting
