Equadriga Software Interview Questions and Answers

Q1. Tell about various joins
Ans. 
Joins are SQL operations that combine rows from two or more tables based on related columns.
• INNER JOIN: Returns records with matching values in both tables. Example: SELECT * FROM A INNER JOIN B ON A.id = B.id;

• LEFT JOIN: Returns all records from the left table and matched records from the right table. Example: SELECT * FROM A LEFT JOIN B ON A.id = B.id;

• RIGHT JOIN: Returns all records from the right table and matched re...read more
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Q2. Tell about materialized view
Ans. 
A materialized view is a database object that stores the result of a query for faster access and improved performance.
• Materialized views store data physically, unlike regular views which are virtual.

• They can improve query performance by pre-computing expensive joins and aggregations.

• Materialized views can be refreshed manually or automatically to keep data up-to-date.

• Example: A materialized view can aggregate sales dat...read more
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Mcq questions on dbms, networking and 2 coding questions

Q1. Puzzles to check thinking abilty
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Q2. Coding question on linked list and array
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For Advance developer role they asked Medium to Hard Leetcode Questions of Topic String and Matrices, and for QA Role They just asked 4questions 1Pattern printing kite, 2print 1 to 50 number using recursion, 3is it Anagraam Or not, 4number is Armstrong or not