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SQL Command Essentials: DDL, DML, DCL, TCL ๐Ÿš€

โ— DDL (Data Definition Language) 
โ€“ CREATE: Make new tables/databases 
โ€“ ALTER: Modify table structure 
โ€“ DROP: Delete tables/databases 
โ€“ TRUNCATE: Remove all data, keep structure

โ— DML (Data Manipulation Language) 
โ€“ SELECT: Retrieve data 
โ€“ INSERT: Add data 
โ€“ UPDATE: Change data 
โ€“ DELETE: Remove data

โ— DCL (Data Control Language) 
โ€“ GRANT: Give access rights 
โ€“ REVOKE: Remove access rights

โ— TCL (Transaction Control Language) 
โ€“ COMMIT: Save changes 
โ€“ ROLLBACK: Undo changes 
โ€“ SAVEPOINT: Mark save point to rollback 
โ€“ BEGIN/END TRANSACTION: Start/end transactions

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