Remove Data Schemas Remove Database Remove PostgreSQL Remove Structured Data
article thumbnail

3 Use Cases for Real-Time Blockchain Analytics

Rockset

Many of these services, as well as the dApps they may support, are built on transactional (OLTP) databases such as PostgreSQL, DynamoDB, MongoDB and others. These databases struggle to serve low latency results during high demand periods, when a lot of users are simultaneously querying data.

article thumbnail

Hive Interview Questions and Answers for 2023

ProjectPro

Pig vs Hive Criteria Pig Hive Type of Data Apache Pig is usually used for semi structured data. Used for Structured Data Schema Schema is optional. Hive requires a well-defined Schema. Language It is a procedural data flow language. HBase is a NoSQL database.

Hadoop 40
article thumbnail

Top 100 Hadoop Interview Questions and Answers 2023

ProjectPro

Hadoop vs RDBMS Criteria Hadoop RDBMS Datatypes Processes semi-structured and unstructured data. Processes structured data. Schema Schema on Read Schema on Write Best Fit for Applications Data discovery and Massive Storage/Processing of Unstructured data. What is Big Data?

Hadoop 40