SQL/DB Interview Questions 1.1.03

SQL Interview Questions offers a comprehensive selection of inquiries commonly posed during interviews. The application addresses frequently asked questions, conveniently categorized for navigation.

• Master a wide array of commonly asked questions, enhancing your confidence for challenging interviews.
• Coverage includes general inquiries as well as database-specific questions.

For those interested in purchasing the source code, please contact us at [email protected].

Key Features:

1. Access to 164 questions to prepare for various interview scenarios.
2. Practice answering questions independently by responding to prompts provided by the application, allowing for self-evaluation.
3. Questions are sorted into categories for easy browsing.
4. Explore common and database-specific inquiries tailored to your preferences.

SAMPLE QUESTIONS

1. Q. What is the difference between TRUNCATE and DELETE commands?
Ans: Both operations delete all rows in a table. TRUNCATE is a DDL command, irreversible, and releases memory space back to the server, providing faster performance. DELETE is a DML command and allows for rollback.
2. Q. What is a candidate key?
Ans: A candidate key refers to a unique combination of columns within a table that can identify rows distinctly. Multiple such combinations can serve as candidate keys for a table.