Ad
related to: ddl full form in computer network design proposal
Search results
Results from the WOW.Com Content Network
Saving a ddl file in Oracle SQL Developer. In the context of SQL, data definition or data description language (DDL) is a syntax for creating and modifying database objects such as tables, indices, and users. DDL statements are similar to a computer programming language for defining data structures, especially database schemas.
DDL may refer to: Technology. Data definition language or data description language, relating to databases; Description Definition Language, part of the MPEG-7 standard;
The main agreement was that DDL had to use the XML syntax, support object-oriented semantics, as well as being able to validate structural, relational and data typing constraints. Although no proposal satisfied the requirements the DSTC proposal was used as a starting point, extending it with the additions of ideas and components from other ...
Network planning and design is an iterative process, encompassing topological design, network-synthesis, and network-realization, and is aimed at ensuring that a new telecommunications network or service meets the needs of the subscriber and operator. [1] The process can be tailored according to each new network or service. [2]
In SQL, the data manipulation language comprises the SQL-data change statements, [3] which modify stored data but not the schema or database objects. Manipulation of persistent database objects, e.g., tables or stored procedures, via the SQL schema statements, [3] rather than the data stored within them, is considered to be part of a separate data definition language (DDL).
Synchronous Data Link Control was originally designed to connect one computer with multiple peripherals via a multidrop bus. The original "normal response mode" is a primary-secondary mode where the computer (or primary terminal) gives each peripheral (secondary terminal) permission to speak in turn. Because all communication is either to or ...
Data-link frames, as these protocol data units are called, do not cross the boundaries of a local area network. Inter-network routing and global addressing are higher-layer functions, allowing data-link protocols to focus on local delivery, addressing, and media arbitration.
He designed and proposed a commercial national data network based on packet switching in his 1966 Proposal for the Development of a National Communications Service for On-line Data Processing. [10] This work was the first to describe the concept of high-speed "switching nodes", today known as routers as well as "interface computers".
Ad
related to: ddl full form in computer network design proposal