Oracle exception handling mechanism
Oracle provides a robust exception handling mechanism to manage errors and unexpected situations during program execution. This mechanism consists of the following key elements: 1. … Read more
Oracle provides a robust exception handling mechanism to manage errors and unexpected situations during program execution. This mechanism consists of the following key elements: 1. … Read more
Cursors in SQL offer a powerful way to process data row-by-row, providing greater control and flexibility compared to traditional set-based operations. However, managing complex cursor … Read more
1. Single Table Extraction 2. Multiple Tables (Equi-Join) 3. Multiple Tables (Non-Equi-Join) 4. Self-Join 5. Outer Joins 5.1 Left Outer Join 5.2 Right Outer Join … Read more
In relational database management systems (RDBMS), a comprehensive approach to security is crucial. This involves various measures and tools to ensure data confidentiality, integrity, and … Read more
The data dictionary and dynamic performance views are two essential components of a relational database management system (RDBMS) that provide information about the database and … Read more
Distributed database A distributed database is a database system that spans multiple physical locations, typically across different computers or networks. The data is physically stored … Read more
The terms “dedicated server” and “multi-threaded server” are often used in the context of web hosting. While both terms refer to servers that can host … Read more
Triggers A trigger is a stored procedure that automatically executes in response to a specific event in the database, such as an INSERT, UPDATE, or … Read more
In a relational database management system (RDBMS), data storage and management is organized through various layers of logical units. Understanding these units is crucial for … Read more
In Previous Years Questions In Linux, user accounts are essential for managing access to system resources and maintaining security. There are three main types of … Read more