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- A dimension table is a database table that stores attributes describing the facts in a fact table.
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What is dimension table?
What is a dimension table in data warehousing?
What is a dimension table & a fact table?
What are the two types of tables used in dimensional modeling?
In data warehousing, a dimension table is a database table that stores attributes describing the facts in a fact table. A dimension table is the physical implementation of a dimension as it is defined in a dimensional model. A dimensional model provides a blueprint for how to structure a data warehouse to maximize query performance.
What is a Dimension Table? In the context of a data warehouse, dimension tables are designed to provide descriptive or qualitative information about the business attributes, offering a reference point to understand the measurements stored in the fact table.
In simple terms, a dimension table is a table in a relational database that contains descriptive attributes for a specific entity or object. What is a dimension table? A dimension table provides context to the measures or facts in a database.
The dimension is a data set composed of individual, non-overlapping data elements. The primary functions of dimensions are threefold: to provide filtering, grouping and labelling. These functions are often described as "slice and dice". A common data warehouse example involves sales as the measure, with customer and product as dimensions.
May 6, 2019 · A Dimension table is a table that keeps descriptive information that can slice and dice the data of the fact table. The definition above, although correct, can lead to creating heaps of different type of tables and calling those a Dimension or Fact table.
Dimension Tables. The two types of tables used in dimensional modeling are facts and dimensions. A dimension table contains descriptive attribute fields whereas a fact table contains only measures and key relationships. This is why requirements gathering is very important when building a data warehouse in its early stages.
Feb 21, 2024 · A dimension table holds the descriptive information for all fields included in a fact table. We’ll discuss their differences in further detail and provide an end-to-end example to demonstrate how these concepts are utilized in real-world projects. Fact Table vs. Dimension Table in Star Schema.
