Data is stored in Tables consisting of rows (records) and columns (attributes). Each row is uniquely identified by a Primary Key . SQL Command Categories:
Manages changes made by DML (e.g., COMMIT , ROLLBACK ). Data is stored in Tables consisting of rows
Controls access to data (e.g., GRANT , REVOKE ). DROP ). To master Oracle SQL
Used to define database structures (e.g., CREATE , ALTER , DROP ). Data is stored in Tables consisting of rows
To master Oracle SQL, you must understand how data is organized and how commands are categorized: