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Data access layer. A data access layer ( DAL) in computer software is a layer of a computer program which provides simplified access to data stored in persistent storage of some kind, such as an entity-relational database. This acronym is prevalently used in Microsoft environments. For example, the DAL might return a reference to an object (in ...
Data Access Language for the Macintosh, or simply DAL, was a SQL-like language and application programming interface released by Apple Computer in 1990 to provide unified client/server access to database management systems. It was known for poor performance and high costs, something Apple did little to address over its short lifetime, before it ...
Roald Dahl [a] (13 September 1916 – 23 November 1990) was a British author of popular children's literature and short stories, a poet, screenwriter and a wartime fighter ace. [1] [2] His books have sold more than 300 million copies worldwide. [3] [4] He has been called "one of the greatest storytellers for children of the 20th century".
An extranet is a controlled private network that allows access to partners, vendors and suppliers or an authorized set of customers – normally to a subset of the information accessible from an organization's intranet. An extranet is similar to a DMZ in that it provides access to needed services for authorized parties, without granting access ...
DALnet is an Internet Relay Chat (IRC) network made up of 39 servers, with a stable population of approximately 10,000 users in about 4,000 channels. [1] DALnet is accessible by connecting with an IRC client to an active DALnet server on ports 6660 through 6669, and 7000. SSL users can connect on port 6697 [2] as well.
DO-178B, Software Considerations in Airborne Systems and Equipment Certification is a guideline dealing with the safety of safety-critical software used in certain airborne systems. It was jointly developed by the safety-critical working group RTCA SC-167 of the Radio Technical Commission for Aeronautics (RTCA) and WG-12 of the European ...
Digital Addressable Lighting Interface ( DALI) is a trademark for network-based products that control lighting. The underlying technology was established by a consortium of lighting equipment manufacturers as a successor for 1-10 V/ 0–10 V lighting control systems, and as an open standard alternative to several proprietary protocols.
The DAL Group originated from the engineering company Sayer & Colley, founded in 1951 by two British partners when Sudan was under Anglo-Egyptian rule. Sayer & Colley later received Caterpillar 's franchise for the country. In 1966, ten years after Sudan's independence, Caterpillar transferred the franchise to the Sudanese Tractor Company ...