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.
Database Description (DBD) Generation utility. Use the Database Description Generation (DBDGEN) utility to define a database so that it can be used by an application program. A database description (DBD) is a DL/I control block containing all of the database information needed by an application program. You create a database description (DBD) by coding special macro instructions. These macros become the input to the DBDGEN utility.