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I applied via Job Fair and was interviewed in Aug 2022. There were 2 interview rounds.
To extract data from a database, one can use SQL queries or programming languages like Python or R.
Use SQL queries to extract data from a database
Use programming languages like Python or R to extract data from a database
Connect to the database using appropriate credentials
Identify the tables and columns from which data needs to be extracted
Write the query or code to extract the data
Save the extracted data in a desired
Tableau has 14 datatypes including string, integer, float, date, boolean, and more.
Tableau has 14 datatypes
String, Integer, Float, Date, Boolean, and more
Data types can be changed in Tableau
Data types affect how data is displayed and aggregated
Examples: String - 'John Smith', Integer - 25, Float - 3.14, Date - 01/01/2021, Boolean - True/False
Vlookup() is a function in Excel that can be used to copy records from one sheet to another based on a common identifier.
The Vlookup() function searches for a value in the first column of a table array and returns a corresponding value in the same row from a specified column.
The common identifier used in the Vlookup() function should be present in both the source and destination sheets.
The Vlookup() function can be use...
I applied via Hirect and was interviewed in Jul 2022. There were 4 interview rounds.
All about analytical and excel
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I applied via Indeed
I applied via Walk-in and was interviewed before Oct 2022. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Apr 2022. There were 3 interview rounds.
posted on 25 Oct 2023
Normal CAT level questions
SQL. Statstics python mathematics
Some profitable case
Startegy case round regarding swiggy
About customer data hiw may job card and warrant parts
Power Bi with visualization
I was interviewed before Jan 2023.
I applied via Referral and was interviewed before Jun 2023. There were 2 interview rounds.
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
Joins are used to retrieve data from multiple tables based on a related column between them
Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
INNER JOIN returns rows when there is at least one match in both tables
LEFT JOIN returns all rows from the left table and the matched rows from the right table
...
Normalisation is the process of organizing data in a database to reduce redundancy and improve data integrity.
Normalisation involves breaking down data into smaller, more manageable tables
It helps in reducing data redundancy by storing data in a structured way
It improves data integrity by ensuring that each piece of data is stored in only one place
Normalization is usually done in multiple stages (1NF, 2NF, 3NF, etc.) t...
Questions mostly revolved around pandas and numpy.
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