1. Tell me something about yourself? 2.What is difference between method and constructor? 3. what is big O notation in java? 4.How many types of joins are there in SQL?
Sql Developer Interview Questions
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.
2,215 sql developer interview questions shared by candidates
Most complex / satifying project / work you did.
1. If month inbetween jan and jul then 2022 else 2023. What function used to find and how? 2. Analytical functions example 3. Challenges faced in previous project
Mostly they covered all SQL concepts
Interviewer gave two tables and asked number of rows after inner, left outer, right outer joins
about clustering.
SQL Server , Service packs , cluster , alwayson, nirroring
Difference between rank and dense rank
Q: What is views and Materialized views.
To explaining about day to day activities
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