Filter interviews by
I applied via Walk-in and was interviewed in Apr 2022. There were 2 interview rounds.
Joins are used to combine data from two or more tables based on a related column. An index is a data structure that improves the speed of data retrieval.
Joins are used in SQL to combine data from multiple tables.
Indexes are used to improve the speed of data retrieval by creating a data structure that allows for faster searching.
Indexes can be created on one or more columns in a table.
There are different types of joins,...
The like operator is used to compare a string to a pattern using wildcards.
The pattern can include % to match any number of characters and _ to match a single character.
Example: SELECT * FROM customers WHERE name LIKE 'J%' will return all customers with names starting with J.
Example: SELECT * FROM customers WHERE name LIKE '%son' will return all customers with names ending in son.
Insert delete is a common operation performed on data structures like arrays and linked lists.
Insertion involves adding a new element to the data structure at a specific position.
Deletion involves removing an element from the data structure at a specific position.
Examples include inserting a new value into an array at index 3 or deleting a node from a linked list.
These operations can affect the size and order of the da
Update and truncate are SQL commands used to modify data in a database.
Update is used to modify existing data in a table.
Truncate is used to delete all data from a table.
Update can be used with a WHERE clause to modify specific rows.
Truncate cannot be used with a WHERE clause and will delete all rows.
Update is a DML (Data Manipulation Language) command.
Truncate is a DDL (Data Definition Language) command.
Top trending discussions
I applied via Recruitment Consultant and was interviewed before Feb 2020. There were 3 interview rounds.
The brake system architecture for locomotives includes air brakes, mechanical brakes, and electronic brakes.
Air brakes use compressed air to apply and release brakes
Mechanical brakes use friction to slow down or stop the train
Electronic brakes use sensors and computer systems to control the braking process
The brake system also includes brake shoes, brake discs, brake pads, and brake calipers
The brake system is designed
Emergency brake distance calculation for a locomotive.
Determine the speed of the locomotive
Find the deceleration rate of the locomotive
Calculate the stopping distance using the formula: (speed^2) / (2 x deceleration rate)
Consider factors such as track conditions and weather
Perform regular maintenance to ensure brakes are functioning properly
I have worked on various projects including network infrastructure, cloud migration, and software development.
Designed and implemented a new network infrastructure for a small business
Migrated on-premise servers to AWS cloud for a healthcare company
Developed a web application for a non-profit organization to manage volunteers
Implemented security measures for a financial institution's IT systems
Upgraded and maintained s...
I applied via Recruitment Consultant and was interviewed in Nov 2019. There were 5 interview rounds.
I applied via Recruitment Consultant and was interviewed in Oct 2020. There was 1 interview round.
Logic for PLC software
Define inputs and outputs
Create ladder logic diagram
Test and debug program
I applied via Referral and was interviewed in Mar 2021. There was 1 interview round.
Yes, cloud computing refers to the delivery of computing services over the internet.
Cloud computing allows users to access data and applications from anywhere with an internet connection.
It offers scalability, flexibility, and cost-effectiveness compared to traditional on-premises computing.
Examples of cloud computing services include Amazon Web Services, Microsoft Azure, and Google Cloud Platform.
I appeared for an interview in Aug 2017.
C is a procedural programming language while Java is an object-oriented programming language.
C is a low-level language while Java is a high-level language.
C requires manual memory management while Java has automatic memory management.
C is platform-dependent while Java is platform-independent.
C supports pointers while Java does not.
C has a simpler syntax compared to Java.
final, finally, and finalize are keywords in Java with different meanings.
final is a keyword used to declare a constant value, a variable that cannot be modified.
finally is a block used in exception handling to ensure a piece of code is always executed, whether an exception is thrown or not.
finalize is a method in the Object class that is called by the garbage collector before an object is destroyed.
final and finally a...
Johnson is a reputable company known for its innovative software solutions and collaborative work environment.
Johnson has a strong reputation in the industry for delivering high-quality software solutions.
The company values collaboration and teamwork, which aligns with my own work style.
I admire Johnson's commitment to innovation and staying ahead of technological advancements.
I applied via Recruitment Consultant and was interviewed in Nov 2017. There were 8 interview rounds.
based on 14 reviews
Rating in categories
Automation Engineer
19
salaries
| ₹4 L/yr - ₹8.4 L/yr |
Senior Automation Engineer
19
salaries
| ₹8.5 L/yr - ₹18 L/yr |
MES Engineer
6
salaries
| ₹3.5 L/yr - ₹11.8 L/yr |
Software Developer
4
salaries
| ₹10 L/yr - ₹13.2 L/yr |
Quality Analyst
4
salaries
| ₹6 L/yr - ₹7 L/yr |
Siemens
Schneider Electric
Johnson Controls
Honeywell Automation