Tata Consultancy Services
Parte di Tata Group
Azienda coinvolta
Domanda di colloquio di Tata Consultancy Services
DDL VS DML in SQL
Risposta di colloquio
Anonimo
27 apr 2021
1 . DDL stands for Data Definition Language. DML stands for Data Manipulation Language. 2. DDL statements are used to create database, schema, constraints, users, tables, etc. DML statement is used to insert, update or delete the records. 3. DDL has no further classification. DML is further classified into procedural DML and non-procedural DML. 4. In DDL -> CREATE, DROP, RENAME and ALTER. In DML -> INSERT, UPDATE and DELETE.