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I applied via Recruitment Consulltant and was interviewed in Nov 2021. There were 2 interview rounds.
SQL and SSIS questions
Optimizing SQL queries involves reducing the number of operations and improving indexing.
Use indexes to speed up query execution
Avoid using SELECT * and only select necessary columns
Use WHERE clause to filter data before joining tables
Avoid using subqueries and instead use JOINs
Use UNION ALL instead of UNION to combine multiple queries
Avoid using functions in WHERE clause
Use LIMIT to limit the number of results returne
SSIS provides various transformations to manipulate data during ETL process.
Data Conversion Transformation
Conditional Split Transformation
Aggregate Transformation
Sort Transformation
Merge Transformation
Lookup Transformation
Derived Column Transformation
Pivot Transformation
Unpivot Transformation
Top trending discussions
Skil set for My relevant job update
Communication discussion
I applied via Job Fair and was interviewed in Nov 2024. There were 2 interview rounds.
The test was psychometric and aptitude. Interview was easy.
An inactive relationship in Power BI is a relationship that is not being used in any visualizations or calculations.
Inactive relationships can occur when a relationship is created but not utilized in any measures or visuals.
These relationships do not impact the data model or query performance, but can clutter the model view.
To remove an inactive relationship, you can delete it from the relationship view in Power BI.
Ina...
Import vs Direct Query vs Live connection
Import: Data is imported into the tool for analysis, suitable for small datasets or when real-time data is not required
Direct Query: Data is queried directly from the source in real-time, suitable for large datasets or when up-to-date data is needed
Live connection: Data is connected live to the source, allowing for real-time updates and analysis without storing data locally
posted on 4 Oct 2023
I applied via Job Fair and was interviewed in Apr 2023. There were 2 interview rounds.
Data Analysts are responsible for collecting, processing, and analyzing data to help organizations make informed decisions.
Collecting and organizing data from various sources
Cleaning and processing data to ensure accuracy and reliability
Analyzing data to identify trends, patterns, and insights
Creating visualizations and reports to communicate findings
Providing recommendations based on data analysis
Collaborating with st...
Skills needed for data analyst include strong analytical skills, proficiency in data analysis tools, programming knowledge, and communication skills.
Strong analytical skills to interpret complex data sets
Proficiency in data analysis tools such as Excel, SQL, Python, R, etc.
Programming knowledge to manipulate and analyze data effectively
Communication skills to present findings and insights to stakeholders
All the questions are based on the MCQ , and the syllabus is covered python SQL Power BI
Some questions from the Pandas Data Frame scenario based
I applied via campus placement at Aditya Degree College, Kakinada and was interviewed before Nov 2022. There were 4 interview rounds.
They conduct written test
I applied via Company Website and was interviewed before Mar 2023. There were 2 interview rounds.
About Data in SQL , syntax
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