Discuss difference between drop table r and delete from r, Database Management System

Discuss The difference between drop table R and delete from R.

DROP TABLE command deletes all the records with the table definition. This command will automatically committed and cannot be rolled back. Although

DELETE FROM

command deletes just only the records; the table definition remains existed. The influence of this command may be rolled back, if needed.

Related Discussions:- Discuss difference between drop table r and delete from r

What are the technique to define a schema completely, What are the techniqu...

What are the technique to define a schema completely ? A schema is completely define by DDL and DML query language.

Explain concept of inheritance with support of example, Explain concept of ...

Explain concept of inheritance with support of suitable example. Inheritance Inheritance is one of milestone of object-oriented programming language as it allows a creati

desirable properties of decomposition, Desirable Properties Of Decompositi...

Desirable Properties Of Decomposition Decomposition is a process of dividing a relation into its projections that will not be disjoint. Please remind the Relational projection

Why does a dbms query language is designed, Why does a DBMS query language ...

Why does a DBMS query language is designed? A DBMS query language is designed to support end users who use English-like commands. support in the development of complex applicat

Which types of data supported by mysql, Which types of data supported by My...

Which types of data supported by MySQL for Time and Date formats? MySQL supports a number of time and date column formats: Some of them are 1) DATE 2) DATETIME 3) TIM

Determine advantages of merging an association into a class, What are the a...

What are the advantages and disadvantages of merging an association into a class? Advantages: i) Less number of tables ii) Faster performance due to the fewer tables

What is transaction, What is transaction? Transaction is a unit of prog...

What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.

Create the database in oracle using ddl, The Assessment page has a link to ...

The Assessment page has a link to download a conceptual model, and a list of data. You are to map this conceptual model, and create the database in Oracle using your own DDL. T

Create table, What are the advantages of creating a table from existing tab...

What are the advantages of creating a table from existing table?

Dataware house, multidimensional data model

multidimensional data model

Write Your Message!

Name

Email id

Message

Verfication Code

User Account

All Pages