Tech Mahindra Senior Engineer Mechanical Interview Questions and Answers for Experienced

Triggers are database objects that automatically execute in response to certain events or changes in data.

• Triggers are used to enforce business rules or data integrity.

• They can be used to audit changes to data.

• Triggers can be set to execute before or after an event, such as an insert, update, or delete operation.

• They can be defined on tables, views, or schemas.

• Examples of triggers include sending an email notification ...read more

Depreciation is necessary to allocate the cost of an asset over its useful life.

• Depreciation helps in matching the cost of an asset with the revenue it generates.

• It allows for the recognition of the wear and tear, obsolescence, and loss of value of assets over time.

• Depreciation expense reduces taxable income, resulting in tax savings for companies.

• It helps in determining the true profitability and financial position of...read more

Version control is essential for managing code changes and collaborating with team members.

• Version control allows for tracking changes made to code over time.

• It enables collaboration between team members by allowing multiple people to work on the same codebase simultaneously.

• It provides a way to revert to previous versions of code if necessary.

• Popular version control systems include Git, SVN, and Mercurial.