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2,211 sql analyst interview questions shared by candidates

1. What is the difference between `INNER JOIN` and `OUTER JOIN`? 2. How would you optimize a slow-running query? 3. How do you ensure database normalization, and why is it important? 4. How do you handle duplicate records in a table? 5. What are the advantages of using stored procedures? 1. How would you retrieve the second highest salary from an employee table? 2. How do you ensure data integrity in a database? 3. Describe a situation where you had to improve database performance. 1. How do you handle disagreements within a team about database design decisions? 2. Describe a challenging project you worked on and how you managed it. 3. How do you stay updated with the latest SQL and database technologies? 1. Where do you see yourself in five years? 2. Why do you want to work with our company? 3. What are your greatest strengths and weaknesses as an SQL Developer?
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SQL Developer

Interviewed at Accenture

3.7★
Jul 2, 2024

1. What is the difference between `INNER JOIN` and `OUTER JOIN`? 2. How would you optimize a slow-running query? 3. How do you ensure database normalization, and why is it important? 4. How do you handle duplicate records in a table? 5. What are the advantages of using stored procedures? 1. How would you retrieve the second highest salary from an employee table? 2. How do you ensure data integrity in a database? 3. Describe a situation where you had to improve database performance. 1. How do you handle disagreements within a team about database design decisions? 2. Describe a challenging project you worked on and how you managed it. 3. How do you stay updated with the latest SQL and database technologies? 1. Where do you see yourself in five years? 2. Why do you want to work with our company? 3. What are your greatest strengths and weaknesses as an SQL Developer?

what is materialized view and why it is required?what is pivot? when to use the non-clustered index and when to use clustered one.what will you do if your database is growing out of size?how to optimize the query or stored proc? how to read execution plan and what steps to take on it? write query which can add row number column for a table? what is partition? diff between temp table and temp table variable? scope of global variable? there are two tables both have only one column which accepts null, both table have 5 rows as 1,1,1,1,null. how many rows will come for inner join, left, right, union and union all on these two tables.(try this on SSMS)? High level design for employee, tasks and timesheet scenario etc
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SQL Server Developer

Interviewed at Fulcrum Worldwide

4★
Jan 20, 2014

what is materialized view and why it is required?what is pivot? when to use the non-clustered index and when to use clustered one.what will you do if your database is growing out of size?how to optimize the query or stored proc? how to read execution plan and what steps to take on it? write query which can add row number column for a table? what is partition? diff between temp table and temp table variable? scope of global variable? there are two tables both have only one column which accepts null, both table have 5 rows as 1,1,1,1,null. how many rows will come for inner join, left, right, union and union all on these two tables.(try this on SSMS)? High level design for employee, tasks and timesheet scenario etc

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