SQ; SERVER – Ajay Kumar

Offer: 17 Courses in 5999 Rs (550 Hrs).
22 Courses in 8500 and 10 Courses in 4500

SQL Server Eng PART3

DDL (Data Definition Language) DDL is used to define and modify database structures (schemas). Main DDL commands: CREATE, ALTER, DROP, TRUNCATE, RENAME. CREATE is used to make new tables, views, stored procedures, functions, etc. ALTER modifies existing objects like adding/dropping columns, changing data types. DROP permanently deletes database objects. TRUNCATE removes all rows from a … Read more