Normalization is the technique that eliminates repetition by assigning unique keys or numerical values to different groups of data entities. These unique keys are also known as primary keys. An example of this in a CRM is a customer ID number, which can be used to link an individual record ...
Physical ERD / Physical data model While all the three levels of an ER model contain entities with attributes and relationships, they differ in the purposes they are created for and the audiences they are meant to target. A general understanding to the three data models is that business analyst...
What is Online Data Storage? from Chapter 1 / Lesson 17 20K Online data storage uses Internet channels to store information on remote servers kept secure by service providers. Explore the benefits and challenges of using online data storage, with many famous companies as examples. Related...
Big data first needs to be gathered from its various sources. This can be done in the form of web scraping or by accessing databases, data warehouses, APIs and other data logs. Once collected, this data can be ingested into a big data pipeline architecture, where it is prepared for proce...
What is meant by the phrase 'backing up your data'? What should a strong password contain? What does extract files mean? What is DRM? Define hidden virus What does padding mean in HTML? What does "database normalization" mean? Using the Hamming (7 - 4) code, decode the message: (1...
Is regional edge cache feature enabled by default? Where are the edge network locations used by Amazon CloudFront located? Can I choose to serve content (or not serve content) to specified countries? How accurate is your GeoIP database? Can I serve a custom error message to my end users?
Benefits of a Database View There are many benefits to using views. Listed below are some of the one that comes to mind: Enforce Business Rules– Use views to define business rules, such as when an item is active, or what is meant by “popular.” By placing complicated or misunderstood...
Nothing will change immediately, but this proposed rule builds on CMS’s efforts to improve interoperability in healthcare, which translates down to patient access, smoother data exchange and better care coordination. It is meant to give patients access and control over their information and discourag...
Data normalization:standardizing the dataset Denoising:removing random errors and signal interference Data integration:combining the data into a unified dataset Data exploration Data exploration is the process of evaluating data to understand the information it contains. EDA aims to learn the characteristics...
public static bool TryNormalize(this ReadOnlySpan<char> source, Span<char> destination, out int charsWritten, NormalizationForm normalizationForm = NormalizationForm.FormC); } ``` ## Numeric ordering for string comparison Numerical string comparison is a highly requested feature for comparing strings...