SQL - Trigger, Stored Procedure, SQL Basics, truncate & delete HR - Joins, Multirow functions
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 No. 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 No. 2: What are the types of normalisation available in SQL and how do you use them?
How to answer
How to answer: People use SQL normalisation to organise data and reduce redundancies. You can demonstrate your experience by discussing the normalisation methods you use the most. For example, many developers divide a large table into several smaller ones for easier readability.
Question 3
Question No. 3: Which 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.
2,208 sql developer interview questions shared by candidates
If I knew what the cross apply operator was
What is truncate in sql?
Given 2 dates, return a result set that outputs a number for each week between the two. (They will ask the numbered week to be the sequential week and also the calendar week. Prepare for given start date to be start mid-week.)
What is the result if we do following Null + 90
Not unexpectedly, the manager was particularly interested in my experience in gathering requirements and creating designs.
What's the difference between TRUNCATE and DELETE
They dont give any trouble in interivew, very friendly managers and good staff. Generally they filter resume and when they are positive to hire you, they call you into interview, and then take final diceision after seeing your intreste and behaviour. Then they go for backgorund chek and references.
Delete duplicate records from a table
Asked about my experience installing new releases of software
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