Tag: hive_interview
Hive : Comparison between the ORC and Parquet file formats in Hive
ORC (Optimized Row Columnar) and Parquet are two popular file formats for storing and processing large datasets in Hadoop-based systems…
Hive : Different types of storage formats supported by Hive.[16 Formats supported by Hive]
Apache Hive is an open-source data warehousing tool that was developed to provide an SQL-like interface to query and analyze…
Hive : How to load JSON and nested JSON in Hive and how to view it [Sample code with Data]
In this article, I’ll walk you through how to read JSON data from a Hive table using an example with…
Hive : Learn hive external functions and how can you use external functions in Hive?
Hive is built on top of Hadoop, which is a distributed file system and a framework for processing large data…
Hive : Hive custom input/output formats .How can you use custom input/output formats in Hive?
Introduction to Custom Input/Output Formats in Hive: Hive allows users to define custom input and output formats to read and…
Hive : How can you increase parallelism in Hive?
Introduction to Parallelism in Hive: Parallelism refers to the ability to execute multiple tasks simultaneously. In the context of Hive,…
Hive : How can you configure job scheduling in Hive?
To ensure that your Hive jobs run smoothly, it is important to configure job scheduling in Hive. Job scheduling allows…
Hive : How can you use RC file format (Record Columnar File) in Hive ?
RC File is a columnar storage format used in Hive for storing structured data. It is designed to optimize the…
Hive : Role of Hive type coercion and how can you perform type coercion in Hive?
In Hive, type coercion is the process of converting one data type to another data type during query execution. Type…
Hive : Role of Hive CBO (cost-based optimization) and how can you enable CBO in Hive
Hive’s Cost-Based Optimization (CBO) is a powerful feature that enables Hive to optimize queries based on the estimated cost of…