query
51Query by Example — Query by Example, QBE …
52Query Language — [engl.], Abfragesprache …
53Query optimizer — The query optimizer is the component of a database management system that attempts to determine the most efficient way to execute a query. The optimizer considers the possible query plans for a given input query, and attempts to determine which… …
54Query string — In the World Wide Web, a query string is the part of a URL that contains data to be passed to web applications such as CGI programs.When a web page is requested via the Hypertext Transfer Protocol, the server locates a file in its file system… …
55Query plan — A query plan (or query execution plan) is a set of steps used to access or modify information in a SQL relational database management system. This is a specific case of the relational model concept of access plans.Since SQL is declarative, there… …
56Query String — Ein Query String ist ein Teil eines Uniform Resource Locator (URL) im World Wide Web. Diese Zeichenkette enthält benannte Parameter, die dann von der Webanwendung ausgewertet werden können. Inhaltsverzeichnis 1 Aufbau 2 Übertragung 3 Beispiel …
57query language — ▪ computer science a computer programming language used to retrieve information from a database. The uses of databases are manifold. They provide a means of retrieving records or parts of records and performing various calculations… …
58Query (complexity) — In descriptive complexity, a query is a mapping from structures of one signature to structures of another vocabulary. Neil Immerman, in his book Descriptive Complexity , use[s] the concept of query as the fundamental paradigm of computation (p.… …
59Query and Echo — Superherobox > caption= comic color=background:#8080ff character name=Query and Echo real name=Diedre Vance and Nina Damfino publisher=DC Comics debut= Detective Comics #8 Annual (1995) creators=Chuck Dixon Kieron Dwyer alliance color= alliances …
60Query Throughput — In Computer Science, Query Throughput (QthD) is a measurement used to determine the performance of a database system. The throughput metric is a classical throughput measure characterizing the ability of the system to support a multi user… …
