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Getting Started with Cloudera Data Platform Operational Database (COD)

Cloudera

What is Cloudera Operational Database (COD)? Operational Database is a relational and non-relational database built on Apache HBase and is designed to support OLTP applications, which use big data. The operational database in Cloudera Data Platform has the following components: .

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Data Virtualization: Process, Components, Benefits, and Available Tools

AltexSoft

When connecting, data virtualization loads metadata (details of the source data) and physical views if available. It maps metadata and semantically similar data assets from different autonomous databases to a common virtual data model or schema of the abstraction layer. The essential components of the virtual layer are.

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Data Engineering Glossary

Silectis

Data Catalog An organized inventory of data assets relying on metadata to help with data management. MapReduce MapReduce is a component of the Hadoop framework that’s used to access big data stored within the Hadoop File System Metadata A set of data that describes and gives information about other data.

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100+ Big Data Interview Questions and Answers 2023

ProjectPro

NameNode is often given a large space to contain metadata for large-scale files. The metadata should come from a single file for optimal space use and economic benefit. The following are the steps to follow in a NameNode recovery process: Launch a new NameNode using the FsImage (the file system metadata replica).

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20 Best Open Source Big Data Projects to Contribute on GitHub

ProjectPro

You can also access data through non-relational databases such as Apache Cassandra, Apache HBase, Apache Hive, and others like the Hadoop Distributed File System. DataHub Source: Github DataHub is a modern data stack's open-source metadata platform of the third generation.

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Data Collection for Machine Learning: Steps, Methods, and Best Practices

AltexSoft

Relational vs non-relational databases As we mentioned above, relational or SQL databases are designed for structured or tabular data. Non-relational databases , on the other hand, work for data forms and structures other than tables. and its value (male, red, $100, etc.).

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The Role of Database Applications in Modern Business Environments

Knowledge Hut

Database Software- Other NoSQL: NoSQL databases cover a variety of database software that differs from typical relational databases. Key-value stores, columnar stores, graph-based databases, and wide-column stores are common classifications for NoSQL databases.