Codestore Technologies Mern Stack Developer Interview Questions and Answers

Strong appitude knowledge is required.

Q1. String , arrays, oops
Add your answer

Q1. Strecture of sql statement
Ans. 
SQL statements are used to interact with databases by performing operations like querying, updating, and deleting data.
• SQL statements are made up of keywords like SELECT, INSERT, UPDATE, DELETE, etc.

• They are structured in a specific order, with clauses like WHERE, ORDER BY, GROUP BY, etc.

• Tables are referenced using their names, and conditions are specified to filter data.

• Joins can be used to combine data from multiple ...read more
Answered by AI
Add your answer

Mathematical and logical questions including distance -time, work -time, reasoning, blood relation etc

Q1. Database queries including joins.
Add your answer

DSA moderate question like string reverse, string rotation, frequency of letter in a string.

Simple questions of quant and coding output

3 coding question and one pattern question

Q1. Discussions on questions of prev round
Add your answer
Q2. One SQL query need to implement
Add your answer

MCQ - 20 (aptitude), 20(c+ and sql)

Pattern, array and sql questions

Basic knowledge required for the Aptitude Test. You need to understand the questions and their technicality and then each question is very easy.

Need to focus more on the SQL Queries and some average coding skills. This test is used to check the code understanding of the candidate.

Little more complex problems, need to understand the logic and some complex SQL Queries.
More Focus on JOINS in SQL.

40 Minutes. 40 Question in office Test.
20 Questions Programming related and 20 Questions Aptitude

Q1. Java program for duplicate elements in array
Add your answer