Data skimming refers to the unauthorized action of capturing sensitive information from individuals without their knowledge, typically from credit card or other payment transactions. This information is then often used for fraudulent activities like identity theft or financial fraud.
A data dictionary is a repository that contains definitions of data processes, data flows, data stores, and data elements used in an organization. It helps to provide a common understanding of data terminologies and structures within a dataset or system. Data dictionaries are often used to maintain consistency and clarity in data management and analysis processes.
Metadata is data about data that provides information such as the structure, format, and characteristics of the data stored in a data warehouse. It is used in data warehouse architecture to facilitate data integration, data governance, and data lineage. Metadata helps users understand and manage the data in the data warehouse efficiently.
Explicit data is data that is clearly stated or defined, while implicit data is implied or hinted at. Explicit data is typically straightforward and directly provided, whereas implicit data requires context or interpretation to understand its meaning. In the context of programming, explicit data is data that is clearly declared and specified, while implicit data is data that is inferred or derived.
A logical unit of data is a virtual representation of data while a physical unit of data is the actual storage of data on a physical device. The logical unit of data is how data is organized and manipulated from a software perspective, while the physical unit of data is how data is stored on hardware such as disks or memory.
Data staging in data warehousing involves steps like data extraction from source systems, data transformation to prepare it for analysis, and data loading into the data warehouse. This process ensures that data is cleansed, standardized, and organized before being stored in the data warehouse for reporting and analytics purposes.
advantages of skimming
Scanning ! The correct is skimming..
You could say: The speedboat was skimming across the calm lake.
The manager was caught skimming off the profits.There was a scum on top of the stock pot, it needed skimming off.We are skimming the cream off the top od the milk to make ice cream.
If bugs are skimming across the water they could be getting a drink.
Skimming is used to scan over parts in a book that aren't necessarily important either to the book or to you.
If your gasket has blown and overheating occured then skimming will almost certainly be needed. Send it for testing and skimming better to be safe than sorry.
The manager was caught skimming off the profits.There was a scum on top of the stock pot, it needed skimming off.We are skimming the cream off the top od the milk to make ice cream.
The current world record for stone skimming is held by Kurt Steiner, who achieved 88 skips at the 2016 European Stone Skimming Championships in the UK.
Market-skimming pricing is the practice of raising a price for a product and marketing it to the market willing to pay the higher price. Market-skimming pricing brings in less sales but ultimately more revenue per sale. Market-skimming requires market research and strategy for a higher income demographic.
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