data-architecture-a
data may dictate that the output data be placed back into the big data environment. The nature of the data. In some cases, the ...
Fig. 8.2.5 Textual ETL can place its results back into big data. Another perspective of the big data environment is shown in Fig ...
Fig. 8.2.6 Nonrepetitive data can contain raw data and context enriched data. In Fig. 8.2.6, it is seen that there is the divisi ...
Fig. 8.2.7 The analytical environment can encompass both classical structured data and data whose origins are unstructured. Fig. ...
Chapter 8.3 The Data Warehouse/Operational Environment Interface Abstract Data architecture began with simple storage devices. B ...
Fig. 8.3.1 Transforming application data to corporate data. The operational environment is the place where day-to-day corporate ...
Fig. 8.3.2 shows the classical ETL interface. Fig. 8.3.2 ETL performs the transformation. The transformation of data in this int ...
Fig. 8.3.3 The operational data store (ODS). Data that flow to the ODS can flow directly into the ODS from the operational envir ...
Another variation of the classical ETL interface between the operational environment and the data warehouse environment is the c ...
A third case for the staging area is the case where the data coming from the operational environment must pass through a preproc ...
Fig. 8.3.5 Transaction processing systems, changed data capture option. Inline Transformation Another alternative to the classic ...
Fig. 8.3.6 shows the inline transformation option. Fig. 8.3.6 Textual data, inline contextualization option. ELT Processing A fi ...
The problem with the ELT option is that there is the temptation to simply not execute the “T” step (i.e., the transformation ste ...
Chapter 8.4 Data Architecture: A High-Level Perspective Abstract Data architecture began with simple storage devices. But soon, ...
Fig. 8.4.1 A high level architecture. A High Level Perspective Fig. 8.4.1 shows representative components. For example, on the l ...
there are cathode ray tubes (CRTs) emanating from an application, the diagram is representative of online transaction processing ...
The integrity of the data in data architecture is established by what can be called the “system of record.” The system of record ...
Fig. 8.4.2 The system of record. Chapter 8.4: Data Architecture: A High-Level Perspective ...
Fig. 8.4.2 shows that as data are captured, especially in the online environment, the data have its first occurrence of the syst ...
Fig. 8.4.3 Answering different questions throughout the architecture. Fig. 8.4.3 shows that in location 1, details up to the sec ...
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