Companywise Interview Questions
Unknown Company Interview Questions - 3
- Tell me about your project?
- How data gets loaded? How it is handled in SSIS?
- After Data loading how it gets analysed for any Duplication or Data validation?
- Explain Indexing in Detail
- Difference between Stored Procedure and Function. Can we update table using UDF?
- Difference between Temp Table and Table Variable? Why and When to USe Temp Table? Why and when to use Table Variable?
- Can we use Temp Table and Table Variable in UDF?
- Difference between Delete, Truncate and Drop
- Output of the Following for VArious JOINS
Table A Table B
1 1
2 0
3 1
NULL NULL
- Update “M with F” and “F with M” in below table (Use Case)
- What will be the output of below query?
SELECT id, YEAR(billdate) as billyear
FROM Employee
WHERE billyear>=2010
What will be the error? What are the ways to remove errors (Expecting 2 ways)
- SELECT (CASE WHEN NULL=NULL then ‘Yup’ ELSE ‘nope’ END)
What will be the output of the above query?
- How to find Nth Highest Salary?
- Difference between ROW_NUMBER(), RANK() and DENSE_RANK()
- Difference between UNION and UNION ALL? Which is Faster?
- Are Join Conditions Required?
- Can we Join 2 Tables without JOIN keyword?
- Explain Index in Detail. What are the types of Indexes? What is meant by Composite Index? How to set Clustered Index after table Creation?
- UNIQUE vs PRIMARY KEY
- What is meant by CTE? Why to use it? What are the drawbacks of CTE?
- Explain Query Execution Plan
- What are the different Components of SSIS?
- What tasks you have done in SSIS Project?
- Have you created Stored Procedure in your project?
- What is SSIS package deployment? What are the different methods available to deploy SSIS Package?
- Difference between MErge, Lookup and Union All Transformations
- What is SSRS?
- Types of Reports you have created in your project
- How to create Drill Down and Drill Through Reports? Why to use Advanced Mode? What it exactly does?
- How to deploy SSRS reports?
- What is report Subscription?
- What are the types of Render format?
- How to limit render format upto specific limit like upto PDF only?
- How to schedule reports?
- What is Cascade report/parameters ?
- What is SubReport? How execution done?
- What is Reporting Server? What is the use of it?
- What is meant by DataSource in SSRS? What is the difference between Shared Data Source and Integrated Data Datasource?
- What is the difference between Table and Matrix? What is Tablix?
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