Dagster Data Engineering Glossary:

Upsert

A database operation that either inserts a row into a database table if a corresponding row does not exist, or updates the row if it does exist.

Other data engineering terms related to 'Upsert'

Write-Ahead Logging (WAL)

A method where changes are written to a log before they are applied, ensuring data integrity and consistency by providing a recovery mechanism in case of system failures.

Zero-Day Exploit

An attack that targets software vulnerabilities that are unknown

Zoning

In storage area networking, zoning is the process of allocating resources in a network to communicate only with each other and isolated from other resources, improving security and performance.

Zookeeper

An open-source technology that provides a centralized service for maintaining configuration information, naming, and providing distributed synchronization and group services.

Zone Replication

The process of replicating data across different zones in a multi-zone environment, usually for data redundancy and availability.

Zettabyte

A unit of digital information storage used to denote the size of data. It is equivalent to one sextillion (10^21) bytes or 1000 exabytes.