In Business Intelligence, usually we talk about three areas: Database and Datawarehouse design, ETL, and Reporting. We covered the first one, and are now we are just ahead of starting the second one. In this ETL chapter we will see how to Extract, Transform, and Load process the data ...
2.8 Design for Special Environments This topic introduces designing for the following special database and application environments: Data Warehousing Online Transaction Processing (OLTP) 2.8.1 Data Warehousing A data warehouse is a relational database that is designed for query and analysis rather...
Physical Data Model- a detailed data model that defines database objects. This model is needed to implement the models in a database and produce a working solution. Anentityis an object of interest to the enterprise. An entity can be a:lperson,lorganization,lplace,lthing,lactivity,levent,l...
For a Data Vault, the first thing you do is model the Hubs. Hubs are the core of any DV design. If done properly, Hubs are what allow you to integrate multiple source systems in your data warehouse. To do that, they must besource system agnostic. That means they must be based on t...
During process design, you may want to examine intermediate results. To do so, you can define breakpoints before or after any operator and examine the objects on the input or output ports. For operators inside the Radoop Nest, since they store data on the cluster, you can fetch a data ...
Data-level backups:Content which is managed by other software / sources like: RDBMS, Cloud Data Warehouses, Data Lakes A comprehensive backup strategy addresses each of these domains. No one tool can address all of these at once, so ensuring each of these backups runs successfully is importan...
Understanding the reason(s) students procrastinate and or fail to complete homework will help teachers design better assignments and understand why students might not be doing homework. That said, you can find Stata homework help online. Students Have Too Much on Their Hands Today’s students are...
The back end of applications can look very different from application to application, whether it’s using cloud-based servers and data warehouses, containerization with a service like Docker, Backend-as-a-Service (BaaS) providers, or APIs to replace more complex processing. Common programming lang...
such asClustered indexesthat can be used to sort huge tables,Columnstore Indexesthat can be used to enhance the processing performance of the Online Analytical Processing (OLAP) read only workload of data warehouses databases orFiltered indexesfor columns that have well-defined subsets of data, suc...
If you follow a bad design (not reusing components, creating ad-hoc code/applications, etc.) your systems will grow as in the image below: This is a typical example of exactly what you do not want to have in your enterprise. Organizations struggle to simplify data access, deliver data mor...