data-architecture-a
An example of this might be “customer account number” (CAN). In a perfect world, the CAN would be assigned once and never change ...
Fig. 6.2.1 Data vault conceptual model. These design patterns enable the data vault model to inherit scale-free attributes that ...
and associations that exist across the business keys in the enterprise. The real data warehousing components are the satellites ...
Fig. 6.2.2 Business keys across lines of business. Note that the critical path is an important part to overhead cost reduction, ...
What Does This Have to Do With Data Vault and Data Warehousing? As stated earlier, the objective is to lower total cost of owner ...
anything else. To understand the “changing of the business keys” from one line of business to another, the data warehouse needs ...
The link in this case carries the key matches (from and to). This type of link structure can be utilized to connect master key s ...
multiple environments. A “staging area” may be a file store on Amazon S3 or an Azure Cloud, or it may be a Hadoop distributed fi ...
For example, let's say that in the past, for a sample customer, it was common to have one portfolio manager. Today, however, the ...
Upper limit (the size of the numeric field for nondecimal values). Introduce process issue when utilizing sequences during load ...
child tables? Or relationships that are multiple levels deep? Then, the problem escalates as the length of the load cycles esca ...
important because they remove dependencies when “loading” the Data Vault 2.0 structures. A hash key can be computed value by val ...
following: MD5 (deprecated circa 2018) SHA 0, 1, 2, and 3—SHA1 (deprecated circa 2018) Perfect hashes The hash is based on the ...
and RDBMS engines on demand. It is not suggested that it will be fast, but rather that it can be easily accomplished. Deeper ana ...
that a hub is defined as a unique list of business keys. The preference is to use natural business keys that have meaning to the ...
because no master data management solution has been implemented upstream of the data warehouse. Therefore, to put together what ...
The issue with a multipart business key is with performance of a join. There are multiple mathematical tests and quantitative re ...
Chapter 6.3 Introduction to Data Vault Architecture Abstract One of the most important components of the end-state architecture ...
Fig. 6.3.1 Data Vault 2.0 architecture overview. The sections are staging, EDW, and information marts or information delivery la ...
How Does NoSQL Fit in to the Architecture? NoSQL platform implementations will vary. Some will contain SQL-like interfaces; some ...
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