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Tech Mahindra
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Types of joins in SQL include inner join, left join, right join, and full outer 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
Right join: returns all rows from the right table and the matched rows from the left table
Full outer join: returns rows when there is a match in one of the tables
What people are saying about Tech Mahindra
I was interviewed in Mar 2024.
Tech Mahindra interview questions for designations
I am currently interested in exploring the field of data analytics and machine learning.
Learning new programming languages such as Python and R
Exploring data visualization tools like Tableau and Power BI
Reading research papers on machine learning algorithms
Participating in online courses and workshops on data analytics
I applied via Referral and was interviewed before Oct 2021. There were 2 interview rounds.
I applied via Approached by Company and was interviewed in May 2024. There was 1 interview round.
Salvage refers to the value of an asset after it has been damaged or destroyed. Rating is an evaluation of the creditworthiness of a company or individual. Copay is the amount of money an insured person pays for a covered healthcare service.
Salvage is the residual value of an asset that has been damaged or destroyed, often used in insurance claims.
Rating is a measure of the creditworthiness or financial stability of a ...
I applied via Naukri.com and was interviewed in Mar 2024. There was 1 interview round.
Private equity is a type of investment where funds are raised from institutional and high-net-worth investors to acquire equity ownership in companies.
Private equity firms typically buy out existing companies or invest in growing businesses to help them expand.
Investors in private equity funds expect high returns, often through selling their stake in the company after a few years.
Private equity investments are usually ...
Hedge funds are investment funds that pool capital from accredited individuals or institutional investors and invest in a variety of assets.
Hedge funds are typically only available to accredited investors due to their complex and risky nature.
They use a variety of strategies to generate returns, including long/short equity, event-driven, and global macro.
Hedge funds often charge both a management fee (typically 2%) and...
I applied via Referral and was interviewed before Nov 2018. There was 1 interview round.
SQL Server Always On is a high availability and disaster recovery solution that provides redundancy and failover capabilities.
SQL Server Always On is a feature in SQL Server that provides high availability and disaster recovery solutions.
It allows for automatic failover between multiple replicas to ensure minimal downtime.
There are two types of Always On configurations: Always On Failover Cluster Instances (FCI) and Al...
Setting up failover clustering involves several steps to ensure high availability and reliability of systems.
Install the Failover Clustering feature on all servers that will participate in the cluster.
Configure shared storage for the cluster, such as a SAN or NAS.
Create a cluster by running the Failover Cluster Manager and following the wizard to add servers to the cluster.
Configure cluster networks and assign IP addre...
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Software Engineer
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