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Sql Developer Interview Questions

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Sql Developer Interview Questions

SQL stands for Structured Query Language, and SQL developers create SQL databases and the applications that work with them. They often use design tables and storing procedures for stability, reliability, and performance. In an SQL developer interview, employers often ask questions about your programming knowledge and problem-solving skills.

Top SQL Developer Interview Questions & How to Answer

Question 1

Question #1: What are the types of keys in SQL, and when would you use them?

How to answer
How to answer: This question lets you demonstrate your knowledge of SQL. Discuss the most common types of SQL keys, and talk about how they can identify rows and columns in tables. Keys work as unique identifiers, allowing users to retrieve data easily.
Question 2

Question #2: What are the types of normalization available in SQL, and how do you use them?

How to answer
How to answer: People use SQL normalization to organize data and reduce redundancies. You can demonstrate your experience by discussing the normalization methods you use most. For example, many developers divide a large table into several smaller ones for easier readability.
Question 3

Question #3: What programming languages are you familiar with?

How to answer
How to answer: Many SQL developers also use JavaScript, HTML, Python, PL/SQL, and other languages. Mention the languages you know and how you used them at your previous job. Also, tell the interviewer about any programming certifications you received.

2,209 sql developer interview questions shared by candidates

Round 1: Online Test (20 questions) Basic PL/SQL Questions Round 2: Telephonic (1 Hr) tell me about urself work u have done till now Cursors Triggers Indexes Pragma Round 3 F2F (Technical and Managerial) (1 Hr 45 Mins) Interviewers were friendly why do we use index what happens in backend when you create index what will happen if you apply index on multiple column plsql code tuning what will you do if a query is working on your system and the same query is not working in clients system (Explain plan for both are same) if your manager gives you work on friday which you have to complete it by monday and at the same time your parents are coming from your hometown what will you do? PL/SQL Objects types of SDLC model tell about a situation when you have disagreement with your co-worker how will you handle failure questions on cursors, trigger (basic questions)
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PL/SQL Developer

Interviewed at Oracle

3.5★
May 8, 2017

Round 1: Online Test (20 questions) Basic PL/SQL Questions Round 2: Telephonic (1 Hr) tell me about urself work u have done till now Cursors Triggers Indexes Pragma Round 3 F2F (Technical and Managerial) (1 Hr 45 Mins) Interviewers were friendly why do we use index what happens in backend when you create index what will happen if you apply index on multiple column plsql code tuning what will you do if a query is working on your system and the same query is not working in clients system (Explain plan for both are same) if your manager gives you work on friday which you have to complete it by monday and at the same time your parents are coming from your hometown what will you do? PL/SQL Objects types of SDLC model tell about a situation when you have disagreement with your co-worker how will you handle failure questions on cursors, trigger (basic questions)

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