Define the terms- ddl and dml, Database Management System

Assignment Help:

Define the terms

i) DDL

ii) DML

DDL: Data base schema is specified by a set of definitions expressed by a special language known as a data definition language.

DML: A data manipulation language is a language that enables users to access or manipulate data as organized by the suitable data model.

Related Discussions:- Define the terms- ddl and dml

Designing the database schema , The domain that you will model in this assi...

The domain that you will model in this assignment is that of courses and students at a university. So as not to make the task too large and unspecified, you will here get a descrip

Normalise data to third normal form, A software contract and consultancy fi...

A software contract and consultancy firm maintains details of all the various projects in which its employees are currently involved. These details comprise: Employee Numbe

Backup - restore utilities, These are designed to reduce the effects of a d...

These are designed to reduce the effects of a database failure and make sure a database is restored to a consistent state if a failure does arise. Manual backup/restore utilities n

Which model is used to store data in tree structures, 1. Which model is use...

1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures

What is average response time, What is average response time? The avera...

What is average response time? The average response time is that the average time for a transaction to be done after it has been submitted.

Single-valued dependencies, Single-Valued Dependencies A database is a ...

Single-Valued Dependencies A database is a collection of related information and it is therefore inevitable that some items of information in the database would depend on some

Discuss the mechanism to read data from and write to a disk, Discuss the me...

Discuss the mechanism to read data from and write to a disk? Disk read/write heads are mechanisms in which read data from or write data to disk drives. The heads have gone by

What is an entity relationship model, What is an entity relationship model?...

What is an entity relationship model? The entity relationship model is a collection of basic objects known as entities and relationship between those objects. An

Phase 1 Individual Project, How do I begi

How do I begin

Organize the clients from email marketing, Function requirement as given: ...

Function requirement as given: 1> manage fans and likes and followings those information from facebook. twitter. google+ and linkedin etc 2> Organize the clients from email m

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages