Examples of excerpt in a Sentence. 1  The fiction that the magazine does publish is too often excerpted from novels or imminently forthcoming collections, making the magazine seem more a flack for publishers than a site of editorial strength and vision.
Summary: 1. DML is a grouping of computer languages used by computer programs to manipulate data in a database; DDL is a computer language used specifically to define data structures. 2. The most popular form of DML is SQL, and is comprised of various change statements; DDL mainly uses the CREATE command.
Data Definition Language (also known as DDL) is a computer language used to define data structures â as its namesake suggests. It first made its appearance in the CODASYL database model (a model pertaining to the information technology industry consortium, known as Conference on Data Systems Languages).