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I applied via Referral and was interviewed in Nov 2021. There were 3 interview rounds.
A clustered index is a type of index that determines the physical order of data in a table.
A table can have only one clustered index.
It is created on the primary key column by default.
It speeds up data retrieval operations.
It is used for range searches and sorting.
Example: Clustered index on a customer ID column in a sales table.
SELECT is used to retrieve data from a table, while SELECT INTO is used to create a new table with data from an existing table.
SELECT retrieves data from a table and returns the result set.
SELECT INTO creates a new table with the same columns and data types as the original table.
SELECT INTO can also be used to create a temporary table.
SELECT INTO can be used to create a backup copy of a table.
SELECT INTO can be used to...
Data purging is the process of permanently deleting or removing data from a system or database.
It is done to free up storage space and improve system performance.
It involves identifying and removing outdated, redundant, or irrelevant data.
It is important to ensure that sensitive or confidential data is securely deleted.
Examples include deleting old user accounts, removing expired product listings, and clearing out old
I applied via Referral and was interviewed before Aug 2022. There were 2 interview rounds.
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I applied via Naukri.com and was interviewed before Apr 2021. There were 2 interview rounds.
I was interviewed in May 2017.
I was interviewed in Jun 2016.
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