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NewsBank Inc. is a US-based commercial company founded in 1972 that operates a global news database resource providing online archives of media publications as reference materials to libraries. As of 2024 [update] it includes current and archived information from thousands of newspapers, videos, broadcast transcripts, journals, and other ...
Heurist is an Open Source online database builder and CMS publisher designed for Humanities research data and collections, including data on people, organisations, places, events, artefacts, documents, media, bibliographic records, [1] contemporary stories and other data which is rich in text and classification data, richly interlinked, and often heterogeneous.
Database Services No. of tracks No. of releases No. of artists Notes License Full free access AllMusic: Music information and reviews. ~20,000,000 [7] ~2,200,000 [7] Song samples only. Discogs • Database: user-generated cross-referenced database of physical & digital releases, artists, and labels. With catalogue numbers, codes, and other ...
In computer programming, create, read, update, and delete (CRUD) are the four basic operations (actions) of persistent storage. [1] CRUD is also sometimes used to describe user interface conventions that facilitate viewing, searching, and changing information using computer-based forms and reports .
The product was quickly upgraded to include Added Variables and a conventional programming Language (IF, WHILE, etc.) to the original SQL-based language The update was released as R:Base 4000 Version 1.1 in March 1984. R:Base became the second most popular DOS database in the PC market (behind dBASE). [citation needed]
Fact tables record measurements or metrics for a specific event. Fact tables generally consist of numeric values, and foreign keys to dimensional data where descriptive information is kept. [ 4 ] Fact tables are designed to a low level of uniform detail (referred to as "granularity" or " grain "), meaning facts can record events at a very ...
A tombstone is a deleted record in a replica of a distributed data store. [1] The tombstone is necessary, as distributed data stores use eventual consistency , where only a subset of nodes where the data is stored must respond before an operation is considered to be successful.
Begin: Record a timestamp marking the transaction's beginning. Modify: Read database values, and tentatively write changes. Validate: Check whether other transactions have modified data that this transaction has used (read or written). This includes transactions that completed after this transaction's start time, and optionally, transactions ...