COMPUTER SCIENCE AND ENGINEERING
DATABASE MANAGEMENT SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Data definition language
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Data manipulation language
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Data Description Language
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Database language
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Detailed explanation-1: -Data Definition Language (DDL) is used to create and modify the structure of objects in a database using predefined commands and a specific syntax. These database objects include tables, sequences, locations, aliases, schemas and indexes.
Detailed explanation-2: -Data Definition Language (DDL) is a subset of SQL. It is a language for describing data and its relationships in a database. You can generate DDL in a script for database objects to: Keep a snapshot of the database structure. Set up a test system where the database acts like the production system but contains no data.
Detailed explanation-3: -DDL is the acronym for the data definition language. DML is the acronym for the data manipulation language. DDL is used to create database schema and also define constraints as well. DML is used to delete, update and update data in the database.
Detailed explanation-4: -DDL stands for Data Definition Language. DML stands for Data Manipulation Language. DCL stands for Data Control Language. It helps us to define the structure of the database. It helps us to manage the data.
Detailed explanation-5: -Data definition language (DDL) Data definition language (DDL) creates the framework of the database by specifying the database schema, which is the structure that represents the organization of data.