Mahathi Infra Services Interview Questions and Answers

Joins are used in databases to combine rows from multiple tables based on a related column between them.

• Joins are used to retrieve data from multiple tables in a single query.

• They are based on a related column between the tables.

• Common types of joins include inner join, left join, right join, and full outer join.

• Inner join returns only the matching rows between the tables.

• Left join returns all rows from the left table and the matching rows from the right table.

• Right join retu...read more

CRO (Conversion Rate Optimization) and SEO (Search Engine Optimization) techniques focus on improving website performance and visibility.

• Implementing relevant keywords in meta tags and content for SEO

• Optimizing website speed and mobile responsiveness for CRO

• Creating compelling call-to-action buttons for CRO

• Regularly monitoring and analyzing website traffic and user behavior for both CRO and SEO

Binary search is a divide and conquer algorithm that searches for a target value within a sorted array.

• Start by comparing the target value to the middle element of the array.

• If the target value is less than the middle element, search the left half of the array.

• If the target value is greater than the middle element, search the right half of the array.

• Repeat the process until the target value is found or the subarray is empty.