1、You know that a database is a collection of logically(逻辑的) related data elements(元素) that may be structured(组织) in various ways to meet the multiple processing and retrieval(取回) needs of organizations(组织)
Census is a survey that includes all the elements of the population. It is also called the method of complete enumeration. In India, a door-to-door inquiry is carried out in rural and urban households. The Registrar General of India collects this demographic data. 2. Population and Sample A...
Related Links List An ordered, immutable series of elements of the same type. Implemented as a linked list. Lists (F#) List Module Array A fixed-size, zero-based, mutable collection of consecutive data elements that are all of the same type. Arrays (F#) Array Module Array2D Module Array3D...
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At the end of the data collection phase, the assessor would have “containers” for the data elements that were collected. These “containers” could be a spreadsheet, a database or even just a bunch of files. At this point there is very little structure to the data and it is far from...
availability of various kinds of data—prominently including participation in and observation of ongoing social action, but also including opportunities for interviews, the availability of artifacts related to the topic of study, and unobtrusive forms of data (e.g., documents such as group ...
public System.Data.Entity.Infrastructure.DbCollectionEntry<TEntity,TElement> Collection<TElement>(string navigationProperty) where TElement : class; Type Parameters TElement The type of elements in the collection. Parameters navigationProperty String The name of the navigation property. Returns DbColle...
Results The finalised listing of CDEs comprises 98 individual data elements, arranged into 14 tables of related fields. These data elements are openly available on the European Network of Teratology Information Services (ENTIS) website ( http://www.entis-org.eu/cde ). Discussion With this set ...
By gathering information through close interactions with people, researchers cancapture elements such as context, reactions, opinions, beliefs, values, or emotionsin a way that other methods simply cannot ensure. The major strength of qualitative data is to make sense of human experiences on a large...
A collection is a group of items or works gathered based on a common theme or interest, whereas a series is a set of similar or related items, often sequenced or intended to be consumed in a particular order.