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.
A database management system (DBMS) is a software system that enables users to define, create and maintain the database and which provides controlled access to this database. Database Concepts and Definition of Terms. Table Naming Conventions (cont.) Each cell of the table contains exactly one atomic (single) value. Since each cell should contain only one value, it is illegal to store two year levels for a single student in a single cell (year).