data-architecture-a
Fig. 8.1.10 Different relationships. The DBMS were useful for organizing data both for batch processing and for online transacti ...
Fig. 8.1.11 Some related relational tables. As interesting and as important as the logical organization of data is, it was not t ...
The unstructured approach is for data that are not organized in a manner that is intelligible to the computer. The unstructured ...
Fig. 8.1.13 A classical index. The unstructured internal organization of data contains all sorts of data. There are a wide varie ...
The world of unstructured data is a world where there is a basic division between repetitive and nonrepetitive data. Repetitive ...
Fig. 8.1.17 Data architecture file structures. In the early days was very crude and simple file organization. Soon, the vendors ...
Fig. 8.1.18 A file being written by an application. In Fig. 8.1.18 were found very simple files. These files were simple collect ...
The master file was a good idea and worked well. The only problem was that a master file existed on a tape file. And tape files ...
Fig. 8.1.21 Online transaction processing, OLTP. The online database environment opened up computing to parts of the business wh ...
Fig. 8.1.22 Transforming application data to corporate data. The data warehouse provided the organization with the “single versi ...
Fig. 8.1.23 Sometimes there is a need for an operational data store (ODS). The ODS was a place where online high-performance pro ...
Fig. 8.1.24 A star join. It was then recognized that a more formal treatment of data marts was needed than just having dimension ...
processing had been developed. Or the movement to data warehouses could not have occurred until the cost of storage dropped to a ...
Chapter 8.2 Big Data/Existing System Interface Abstract Data architecture began with simple storage devices. But soon, the need ...
Fig. 8.2.1 The big data/data warehouse interface. Chapter 8.2: Big Data/Existing System Interface ...
Fig. 8.2.1 shows the overall system flow between big data and the existing system environment. Each of the interfaces will be di ...
tape entries are created. But only a few hundred entries on the log tape are of interest. Those few hundred log tape entries tha ...
Fig. 8.2.2 Big data contains repetitive data and nonrepetitive data. The Nonrepetitive Raw Big Data/Existing Systems Interface T ...
find. It is noted that context is in fact there in the nonrepetitive big data environment; it just is not easy to find and is an ...
disambiguation, the data can be passed to the existing system environment. As the data are passed through textual disambiguation ...
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