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Qu'est-ce (qui) est Data Manipulation Language - définition

FAMILY OF SYNTAX ELEMENTS USED FOR SELECTING, INSERTING, DELETING AND UPDATING DATA IN A DATABASE

Data Manipulation Language

Data Manipulation Language

<language, database> (DML, or Data Management Language) A language for the manipulation of data in a database by applications and/or directly by end-users. SQL contains DML commands such as INSERT, UPDATE, and DELETE. See also Data Definition Language (DDL). (1999-04-26)

Data Language Interface

DATABASE LANGUAGE

IBM Data Language One (DL/1); Data Language/1; DL/I; DL/1

Data Language Interface (Data Language/I, DL/I, Data Language/Interface, Data Language/One) is the language system used to access IBM's IMS databases, and its data communication system.

https://en.wikipedia.org/wiki/Data_Language_Interface

Data definition language

SYNTAX FOR DEFINING DATA STRUCTURES IN A DATABASE

Drop (SQL); Create (SQL); Alter (SQL); Create (sql); CREATE (SQL); Data Description Language; Data definition; Create sql; Drop sql; Data Definition Language; Sql drop; Drop database; Data definition language (SQL)

<language, database> (DDL) 1. A language enabling the structure and instances of a database to be defined in a human-, and machine-readable form. SQL contains DDL commands that can be used either interactively, or within programming language source code, to define databases and their components, e.g. CREATE and DROP. See also Data manipulation language (DML). 2. A specification language for databases, based on the entity-relationship model. It is used in the Eli compiler-compiler to manage type definitions. ["DDL Reference Manual", ECE Dept U Colorado, 1991]. (1999-04-26)

Wikipédia

Data manipulation language

A data manipulation language (DML) is a computer programming language used for adding (inserting), deleting, and modifying (updating) data in a database. A DML is often a sublanguage of a broader database language such as SQL, with the DML comprising some of the operators in the language. Read-only selecting of data is sometimes distinguished as being part of a separate data query language (DQL), but it is closely related and sometimes also considered a component of a DML; some operators may perform both selecting (reading) and writing.

A popular data manipulation language is that of Structured Query Language (SQL), which is used to retrieve and manipulate data in a relational database. Other forms of DML are those used by IMS/DLI, CODASYL databases, such as IDMS and others.

https://en.wikipedia.org/wiki/Data manipulation language