Commonly Used Data Types in PL/SQL for Database Operations

When working with PL/SQL for database operations, the commonly used data types include:

• NUMBER: Used for numeric data, including integer and floating-point numbers.
• VARCHAR2: Used for variable-length character strings.
• DATE: Used for date and time data.
• BOOLEAN: Used for boolean values (TRUE or FALSE).
• CLOB: Used for large blocks of character data.
• BLOB: Used for large blocks of binary data.
• ROWID: Used to store the unique address of a row in a table.
• PL/SQL Records: Used to create custom data structures.

These data types play a crucial role in defining the structure and characteristics of data stored in the database when using PL/SQL.