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I applied via Naukri.com and was interviewed in Sep 2023. There were 3 interview rounds.
To convert table rows into columns, transpose the data by switching rows and columns.
Identify the unique values in the original table that will become the new columns
Create a new table with these unique values as columns and fill in the corresponding data from the original table
Transpose the data by switching rows and columns
Truncate is a DDL command that removes all rows from a table, while delete is a DML command that removes specific rows.
Truncate is faster than delete as it does not log individual row deletions.
Truncate resets identity column values, while delete does not.
Truncate cannot be rolled back, while delete can be rolled back using a transaction.
Truncate does not fire triggers, while delete does.
Truncate is a table-level opera
Use a connected lookup to obtain more than 1 return value in an unconnected lookup
Use a connected lookup transformation to retrieve multiple values based on a common key
Join the output of the connected lookup with the main pipeline using a joiner transformation
Configure the connected lookup to return multiple rows for a single input key
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I applied via Referral and was interviewed in Jul 2023. There were 3 interview rounds.
WHERE is used to filter rows before grouping, HAVING is used to filter groups after grouping.
WHERE is used with SELECT, UPDATE, DELETE statements to filter rows based on a condition
HAVING is used with GROUP BY clause to filter groups based on a condition
WHERE is applied before data is grouped, HAVING is applied after data is grouped
Example: SELECT * FROM table WHERE column = value;
Example: SELECT column, COUNT(*) FROM
Use window functions to deduplicate table with duplicate rows
Use the ROW_NUMBER() window function to assign a unique row number to each row
Partition by the columns that you want to deduplicate on
Filter out rows where the row number is greater than 1 to keep only unique rows
SQL statements in a query are executed in a specific order to ensure accurate results.
SQL statements are executed in the following order: FROM, WHERE, GROUP BY, HAVING, SELECT, ORDER BY.
The FROM clause retrieves data from tables, WHERE filters the data, GROUP BY groups the data, HAVING filters groups, SELECT retrieves specific columns, and ORDER BY sorts the results.
For example, in the query SELECT * FROM employees WHE...
Ernst & Young interview questions for designations
I applied via Recruitment Consulltant and was interviewed in Nov 2023. There were 2 interview rounds.
Get interview-ready with Top Ernst & Young Interview Questions
Types of servers include web servers, email servers, file servers, and database servers.
Web servers - serve web pages and content over the internet (e.g. Apache, Nginx)
Email servers - handle email communication (e.g. Microsoft Exchange, Postfix)
File servers - store and manage files for network users (e.g. Windows File Server, Samba)
Database servers - manage databases and allow access to data (e.g. MySQL, Oracle)
Yes, I have worked on IOT devices in previous projects.
Developed software for IOT devices to collect and analyze data
Implemented security measures to protect IOT devices from cyber attacks
Integrated IOT devices with cloud platforms for remote monitoring and control
Numerical ability was there with reasoning ,logical
2coding questions where any coding language can be used
I applied via Referral and was interviewed in Jul 2023. There were 4 interview rounds.
JDA, Appeals, Amendments, TDS are all related to tax consulting. Ey is a leading consulting firm in the field.
JDA stands for Joint Development Agreement, a legal contract between two or more parties to develop a property.
Appeals refer to the process of challenging a decision made by a government authority, such as a tax assessment.
Amendments are changes made to a legal document or contract, often to correct errors or u...
I applied via LinkedIn and was interviewed before Jul 2023. There were 2 interview rounds.
The duration of Ernst & Young Consultant interview process can vary, but typically it takes about less than 2 weeks to complete.
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