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I applied via AmbitionBox and was interviewed before May 2023. There were 2 interview rounds.
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I was interviewed before Jun 2016.
I applied via Company Website and was interviewed before Jun 2020. There were 4 interview rounds.
MongoDB database algorithms are used for efficient data storage, retrieval, and processing.
MongoDB uses various algorithms for indexing, sharding, and aggregation.
Indexing algorithms include B-tree, hash, and text search indexes.
Sharding algorithms include range-based, hash-based, and zone-based sharding.
Aggregation algorithms include map-reduce and aggregation pipeline.
MongoDB also uses algorithms for query optimizati
I applied via Walk-in and was interviewed before Aug 2020. There were 4 interview rounds.
I applied via Walk-in and was interviewed before Oct 2020. There was 1 interview round.
I applied via LinkedIn and was interviewed before Sep 2020. There was 1 interview round.
I applied via Naukri.com and was interviewed before Apr 2020. There was 1 interview round.
I applied via Naukri.com and was interviewed before May 2020. There was 1 interview round.
I applied via Walk-in and was interviewed before Aug 2021. There were 2 interview rounds.
Transposing a data set involves flipping rows and columns.
Identify the data set to be transposed
Create a new table with the columns and rows flipped
Copy the data from the original table to the new table
Transpose can be done using Excel, Python, R, SQL, etc.
Example: Transposing a table of sales data to have products as rows and months as columns
I applied via Naukri.com and was interviewed before Aug 2021. There were 2 interview rounds.
Structured Query Language (SQL) is a programming language used to manage and manipulate relational databases.
SQL is used to create, modify, and delete databases, tables, and data
It is used to retrieve data from databases using queries
SQL is used to perform operations on data such as sorting, filtering, and grouping
Examples of SQL-based database management systems include MySQL, Oracle, and Microsoft SQL Server
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