Difference between DDL and DML in DBMS

Prerequisite – DDL, DQL, DML, DCL and TCL Commands

DDL:
DDL is Data Definition Language which is used to define data structures. For example: create table, alter table are instructions in SQL.

DML:
DML is Data Manipulation Language which is used to manipulate data itself. For example: insert, update, delete are instructions in SQL.



Difference between DDL and DML:

DDL DML
It stands for Data Definition Language. It stands for Data Manipulation Language.
It is used to create database schema and can be used to define some constraints as well. It is used to add, retrieve or update the data.
It basically defines the column (Attributes) of the table. It add or update the row of the table. These rows are called as tuple.
It doesn’t have any further classification. It is further classified into Procedural and Non-Procedural DML.
Basic command present in DDL are CREATE, DROP, RENAME, ALTER etc. BASIC command present in DML are UPDATE, INSERT, MERGE etc.

GeeksforGeeks has prepared a complete interview preparation course with premium videos, theory, practice problems, TA support and many more features. Please refer Placement 100 for details

My Personal Notes arrow_drop_up

Recommended Posts:

aman neekhara
Check out this Author's contributed articles.

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.



Improved By : aman neekhara