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In databases, change data capture (CDC) is a set of software design patterns used to determine and track the data that has changed (the "deltas") so that action can be taken using the changed data. The result is a delta-driven dataset .
In data management and data warehousing, a slowly changing dimension (SCD) is a dimension that stores data which, while generally stable, may change over time, often in an unpredictable manner. [1] This contrasts with a rapidly changing dimension , such as transactional parameters like customer ID, product ID, quantity, and price, which undergo ...
Some ETL systems have to scale to process terabytes of data to update data warehouses with tens of terabytes of data. Increasing volumes of data may require designs that can scale from daily batch to multiple-day micro batch to integration with message queues or real-time change-data-capture for continuous transformation and update.
Live sync with data sources: Ability to keep itself in sync with various external sources without having to write external scripts. This can be done via change-data-capture of an external database, or by tailing streaming data sources. Mixed types: Allows values of different types in the same column. This is needed to be able to ingest new data ...
A handcuffed inmate whose fatal beating by correctional officers last year sparked outrage died by homicide, according to findings of an autopsy report a lawyer for the man's family shared Wednesday.
During her rise to fame, Denise Richards avoided being "blacklisted" in Hollywood as she kept quiet about an alleged sexual harassment claim. The 54-year-old reality star confessed there was a ...
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