Fundamental - Рѕсѓрѕрѕрірѕрё Рїрѕрѕсџс‚рёсџ Рё Сѓсђрµрґ... | Oracle Sql

Used to retrieve data (e.g., SELECT ).

Data is stored in Tables consisting of rows (records) and columns (attributes). Each row is uniquely identified by a Primary Key . SQL Command Categories: Used to retrieve data (e

Used to modify data (e.g., INSERT , UPDATE , DELETE ). Used to retrieve data (e.g.

Manages changes made by DML (e.g., COMMIT , ROLLBACK ). Used to retrieve data (e