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2. Data modeling - Wikipedia

   en.wikipedia.org/wiki/Data_modeling

   For example, a generic data model may define relation types such as a 'classification relation', being a binary relation between an individual thing and a kind of thing (a class) and a 'part-whole relation', being a binary relation between two things, one with the role of part, the other with the role of whole, regardless the kind of things ...

3. Hash table - Wikipedia

   en.wikipedia.org/wiki/Hash_table

   A small phone book as a hash table. In computer science, a hash table is a data structure that implements an associative array, also called a dictionary or simply map; an associative array is an abstract data type that maps keys to values. [3]

4. Set operations (SQL) - Wikipedia

   en.wikipedia.org/wiki/Set_operations_(SQL)

   Set operations in SQL is a type of operations which allow the results of multiple queries to be combined into a single result set. [1] Set operators in SQL include UNION, INTERSECT, and EXCEPT, which mathematically correspond to the concepts of union, intersection and set difference.

5. Transact-SQL - Wikipedia

   en.wikipedia.org/wiki/Transact-SQL

   Transact-SQL is central to using Microsoft SQL Server. All applications that communicate with an instance of SQL Server do so by sending Transact-SQL statements to the server, regardless of the user interface of the application. Stored procedures in SQL Server are executable server-side routines. The advantage of stored procedures is the ...

6. History of virtual learning environments in the 1990s - Wikipedia

   en.wikipedia.org/wiki/History_of_virtual...

   The Networking Academy program blends face-to-face teaching with web-based curriculum, hands-on lab exercises, and Internet-based assessment. [ 118 ] Fretwell Downing, based in Sheffield, England, is working on the development of a virtual learning environment, under the auspices of the "LE Club" a partnership between the company and eleven ...

7. Project-based learning - Wikipedia

   en.wikipedia.org/wiki/Project-based_learning

   Projects can guide the entire curriculum (more common in charter or other alternative schools) or simply consist of a few hands-on activities. They might be multidisciplinary (more likely in elementary schools) or single-subject (commonly science and math). Some projects involve the whole class, while others are done in small groups or ...