LTIMindtree Software Engineer Interview Questions, Process, and Tips

Q1. Sql order of operations
Ans. 
SQL order of operations determines the sequence in which SQL statements are executed.
• The order of operations is: FROM, WHERE, GROUP BY, HAVING, SELECT, ORDER BY.

• Parentheses can be used to change the order of operations.

• Example: SELECT * FROM table WHERE column = value ORDER BY column ASC;

• Example: SELECT column1, COUNT(column2) FROM table GROUP BY column1 HAVING COUNT(column2) > 10;
Answered by AI
Add your answer
Q2. Why windows function are not being used in where clause?
Ans. 
Windows functions are not used in WHERE clause to avoid performance issues.
• Windows functions are used to perform complex calculations on data.

• Using them in WHERE clause can slow down the query execution.

• Instead, use simple conditions in WHERE clause and perform calculations in SELECT clause.

• For example, instead of using AVG() function in WHERE clause, use HAVING clause.

• Also, consider using indexes to improve query perf
Answered by AI
Add your answer

Q1. Soft skills. Weaknesses.
Add your answer

Q1. Oops concept in java
Ans. 
Oops concept in Java refers to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
• Inheritance allows a class to inherit properties and behavior from another class.

• Encapsulation involves bundling data and methods that operate on the data into a single unit.

• Polymorphism allows objects to be treated as instances of their parent class.

• Abstraction hides the implementation d...read more
Answered by AI
Add your answer
Q2. SQL question difference between rdbms and dbms
Ans. 
RDBMS is a type of DBMS that manages data in a structured format using tables with relationships.
• RDBMS enforces referential integrity through foreign keys.

• RDBMS supports ACID properties for transactions.

• Examples of RDBMS include MySQL, Oracle, SQL Server.

• DBMS is a broader term that includes RDBMS but also includes other data models like hierarchical or network databases.
Answered by AI
Add your answer
Q3. Python libraries
Add your answer
Q4. Agile methodology
Add your answer
Q5. ETL concepts like data warehousing
Add your answer

Q1. Mobile App development related
Add your answer

General aptitude questions were asked. topics involved speed, time, analysis

Coding based on logic

Q1. Are you ok with any shift
Add your answer
Q2. Are you ok with reallocation
Add your answer

Simple Coding problem

Q1. Explain my projects
Ans. 
I have worked on various projects including a web application for tracking inventory and a mobile app for managing tasks.
• Developed a web application using React for tracking inventory levels

• Created a mobile app using Flutter for managing daily tasks

• Implemented RESTful APIs for communication between frontend and backend systems
Answered by AI
Add your answer
Q2. OOPs
Add your answer

Q1. Simple HR questions
Add your answer