Difference Between DDL and DML Command in SQL

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Difference Between DDL and DML Command in SQL

DDL stands for Data Definition Language whereas, DML stands for Data Manipulation Language. DDL is used to create Database Structure whereas, DML is used to manage the data within the database itself. DDL statements would be CREATE, ALTER, DROP, TRUNCATE, etc whereas, DML statements would be SELECT, INSERT, UPDATE, DELETE, etc.

difference between ddl and dml command in sql

DDL which stands for Data Definition Language, is mainly used to define the schema within a database. It also defines the relationship between the entries within the database.

DML which stands for Data Manipulation Language, DML can be utilized to insert, delete, revive, and modify the data, rather than just specify it.

Difference Between DDL and DML Command in SQL

  • Data Definition Language: To create/modify data structures (tables) that will hold the data.
  • Data Manipulation Language: To create/modify/retrieve the actual data.

Difference Between DDL and DML Command in SQL

DDLDML
DDL Stand For Data Definition LanguageDML Stand for Data Manipulation Language
It is used to create the database schemaIt is used to populate and manipulate database
It is not classified furtherIt is further classified as Procedural and Non-Procedural DMLs
CREATE, ALTER, DROP, TRUNCATE AND COMMENT and RENAME, etcSELECT, INSERT, UPDATE, DELETE, MERGE, CALL, etc
SQL Statement can't be rollbackSQL Statement can be rollback
DDL Command affect the entire database or the tableCommand affect one or more records in a table

Difference Between File System and DBMS Difference Between Primary and Foreign Key

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