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SQL was initially developed at IBM by Donald D. Chamberlin and Raymond F. Boyce after learning about the relational model from Edgar F. Codd [12] in the early 1970s. [13] This version, initially called SEQUEL (Structured English Query Language), was designed to manipulate and retrieve data stored in IBM's original quasirelational database management system, System R, which a group at IBM San ...
A character class represents a character's abilities and career in some role-playing games, especially those derived from the Dungeons & Dragons game in some way, and many role-playing video games. Usually, players choose their class when they create their character and may not completely part from that class during the life of that character ...
Classes may inherit from other classes, so they are arranged in a hierarchy that represents "is-a-type-of" relationships. For example, class Employee might inherit from class Person. All the data and methods available to the parent class also appear in the child class with the same names.
Borderlands: The Pre-Sequel: Choosing the Best Class Athena, The Gladiator Let's start with Athena, whom you might have seen in the 2009 Borderlands 2 DLC, The Secret Armory of General Knoxx.
This list includes SQL reserved words – aka SQL reserved keywords, [1] [2] as the SQL:2023 specifies and some RDBMSs have added. ... SQL Server: Teradata CLASS ...
Whereas the words server and client may refer either to a computer or to a computer program, server-host and client-host always refer to computers. The host is a versatile, multifunction computer; clients and servers are just programs that run on a host. In the client–server model, a server is more likely to be devoted to the task of serving.
A query plan (or query execution plan) is a sequence of steps used to access data in a SQL relational database management system.This is a specific case of the relational model concept of access plans.
A server is a computer that provides information to other computers called "clients" on a computer network. [1] This architecture is called the client–server model. Servers can provide various functionalities, often called "services", such as sharing data or resources among multiple clients or performing computations for a client. A single ...