DBA Interview Questions

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What are the different isolation levels in SQL Server, and how do they impact performance and concurrency?

Muhammad Imran Ansari
1w Reply
0

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What is star schema and how does it differentiate from Snowflake schema?

Tharunkumar Magudeeswaran
2w Reply
1

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What are temporal tables in Azure SQL database and what are it's use cases?

Nandan Hegde
Sep 30 Reply
3

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What is the major difference between a CTE and a temp table

Nandan Hegde
Sep 02 Reply
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What is the Importance of data binning in data analysis?

Nikunj Satasiya
Jul 18 Reply
4

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Find the number of a user's friends' friend who are also the user's friend. Output the user id along with the count.

Akshima Aggarwal
Jun 01 Reply
2

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What is the need for MERGE statement?

Jayraj Chhaya
1y Reply
2

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Which is faster in SQL Server? Simple Query or VIEW

Onkar Sharma
3y Reply
2

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What is the difference between HAVING and WHERE Clause in SQL Server?

Onkar Sharma
3y Reply
4

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Difference between Delete, Truncate and Drop Statements in SQL Server?

Onkar Sharma
3y Reply
1

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How to add extensions to Azure Data Studio?

Onkar Sharma
3y Reply
2

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What is the use of MySQL IF Function?

Onkar Sharma
3y Reply
2

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Explain the difference between a Table Variable and a Temp Table

Cristopher Coronado
4y Reply
3

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What is the difference between Union and Union All?

Cristopher Coronado
4y Reply
1

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What would be the first step to take when troubleshooting a slow query?

Cristopher Coronado
4y Reply

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