Delete (SQL) — In the database structured query language (SQL), the DELETE statement removes one or more records from a table. A subset may be defined for deletion using a condition, otherwise all records are removed.[1] Contents 1 Usage 2 Examples 3 … Wikipedia
Control-Alt-Delete — This article is about the keyboard combination. For a list of keyboard shortcuts, see Table of keyboard shortcuts. For other uses, see Control Alt Delete (disambiguation). The keys Control Alt Delete highlighted on a QWERTY keyboard. Control Alt… … Wikipedia
Comparison of database access — Programming language comparisons General comparison Basic syntax Basic instructions Arrays Associative arrays String operations … Wikipedia
šalinti lentelės stulpelį — statusas T sritis informatika apibrėžtis Komanda ↑veikiamajam lentelės stulpeliui pašalinti. Naudojama įvairių dokumentų rengyklėse: ↑rašyklėse, ↑skaičiuoklėse, ↑hiperteksto rengyklėse ir kt. Veikiamąjį stulpelį nurodo bet kuris pažymėtas to… … Enciklopedinis kompiuterijos žodynas
Árbol biselado — Un Árbol biselado o Árbol Splay es un Árbol binario de búsqueda auto balanceable, con la propiedad adicional de que a los elementos accedidos recientemente se accederá más rápidamente en accesos posteriores. Realiza operaciones básicas como… … Wikipedia Español
Foreign key — In the context of relational databases, a foreign key is a referential constraint between two tables. [ [http://www.visualcase.com/kbase/database basics foreign keys.htm For a simpler visualization, see VisualCase.com] ] The foreign key… … Wikipedia
SQL — This article is about the database language. For the airport with IATA code SQL, see San Carlos Airport. SQL Paradigm(s) Multi paradigm Appeared in 1974 Designed by Donald D. Chamberlin Raymond F. Boyce Developer … Wikipedia
Database trigger — A database trigger is procedural code that is automatically executed in response to certain events on a particular table or view in a database. The trigger is mostly used for keeping the integrity of the information on the database. For example,… … Wikipedia
Job Control Language — (JCL) is a scripting language used on IBM mainframe operating systems to instruct the system on how to run a batch job or start a subsystem. The term Job Control Language can also be used generically to refer to all languages which perform these… … Wikipedia
Gadfly (database) — Gadfly is a relational database management system written in Python. Gadfly is a collection of Python modules that provides relational database functionality entirely implemented in Python. It supports a subset of the standard RDBMS Structured… … Wikipedia
