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

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

provides the bedrock for interacting with the Oracle Database, an object-relational database management system (RDBMS) produced by Oracle Corporation. SQL (Structured Query Language) is the set-based, declarative language used to query, manage, and protect data stored in these databases. 1. Key Concepts (Основни понятия) Used to retrieve data (e.g.

Controls access to data (e.g., GRANT , REVOKE ). declarative language used to query

Used to define database structures (e.g., CREATE , ALTER , DROP ).