Chain-Sys Interview Questions, Process, and Tips

Q1. What are the types of clauses used in SQL and their work
Ans. 
Types of clauses in SQL include SELECT, WHERE, GROUP BY, HAVING, ORDER BY, JOIN, etc.
• SELECT: Retrieves data from a database

• WHERE: Filters records based on specified conditions

• GROUP BY: Groups rows that have the same values into summary rows

• HAVING: Filters groups based on specified conditions

• ORDER BY: Sorts the result set in ascending or descending order

• JOIN: Combines rows from two or more tables based on a related colu
Answered by AI
Add your answer
Q2. What is PLSQL? what are the mail components in PLSQL explain their work with example?
Ans. 
PLSQL is a procedural extension of SQL used in Oracle databases for writing stored procedures and functions.
• Main components: variables, control structures, cursors, exceptions

• Variables: used to store data within PLSQL programs

• Control structures: used for conditional logic and looping

• Cursors: used to process individual rows returned by SQL queries

• Exceptions: used for error handling and custom error messages
Answered by AI
Add your answer

Q1. Practical questions pn PLSQL.
Add your answer
Q2. Scenario based questions pn both SQL and PLSQL.
Add your answer

Q1. General questions like what is your family background, basically they will check confidence and communication.
Add your answer

Q1. What is the use of triggers?
Ans. 
Triggers are database objects that automatically perform an action when a specified event occurs.
• Triggers are used to maintain data integrity by enforcing business rules or referential integrity.

• They can be used to audit changes to data, such as tracking who made a change and when.

• Triggers can also be used to replicate data changes to other tables or systems.

• Examples include triggering a notification when a new record ...read more
Answered by AI
Add your answer
Q2. What is the package in PLSQL?
Ans. 
A package in PL/SQL is a collection of related procedures, functions, variables, and other PL/SQL constructs.
• Packages help organize and encapsulate code for easier maintenance and reuse.

• They consist of a specification (header) and a body.

• Packages can contain procedures, functions, variables, constants, cursors, and exceptions.

• Example: CREATE PACKAGE my_package AS PROCEDURE my_procedure; END my_package;

• Example: CREATE P...read more
Answered by AI
Add your answer

Q1. 1.What is sap. Explain in your own words
Ans. 
SAP is a software company that provides enterprise resource planning solutions to businesses.
• SAP stands for Systems, Applications, and Products in Data Processing

• It offers a range of software solutions for various business functions like finance, HR, supply chain management, etc.

• SAP ERP (Enterprise Resource Planning) system helps businesses streamline their processes and improve efficiency

• SAP also offers cloud-based so...read more
Answered by AI
View 1 more answer
Q2. Diff between ecc and S4 hana
Ans. 
ECC is the traditional ERP system while S4 HANA is the next-generation ERP system with in-memory computing and real-time analytics.
• ECC is based on a traditional RDBMS while S4 HANA uses in-memory computing with SAP HANA database

• S4 HANA offers real-time analytics and predictive capabilities, while ECC does not

• S4 HANA simplifies data models and processes, enabling faster decision-making and innovation

• ECC requires separat...read more
Answered by AI
Add your answer
Q3. Ecc does not have own database and S4 haba has their own data base and cloud system
Add your answer

Given a problem, we need to write java program for it.

Q1. 1) How to restrict the value for particular button pressed from keyboard?
Ans. 
You can restrict the value for a particular button pressed from the keyboard by using event listeners and conditionals in your code.
• Use event listeners to detect when a key is pressed on the keyboard

• Check the value of the key pressed and only allow the desired button to trigger an action

• You can use if statements or switch cases to restrict the value for a particular button pressed
Answered by AI
View 1 more answer
Q2. Do you know about machine learning
Ans. 
Yes, machine learning is a branch of artificial intelligence that focuses on developing algorithms and models that allow computers to learn from and make predictions or decisions based on data.
• Machine learning involves training algorithms to recognize patterns in data and make predictions or decisions without being explicitly programmed.

• Common machine learning techniques include supervised learning, unsupervised learni...read more
Answered by AI
Add your answer
Q3. Have basic knowledge.
Add your answer

Q1. Say your good & bad attitude?
Add your answer
Q2. Why was you not selected in previous company?
Add your answer
Q3. How many years you would work in this company?
Add your answer

Sorting prgm , Searching prgm, reverse a string prgm

Q1. Explain oops concepts
Ans. 
OOPs concepts are the principles of Object-Oriented Programming that help in designing and implementing software systems.
• Encapsulation - bundling of data and methods that operate on that data

• Inheritance - ability of a class to inherit properties and characteristics from a parent class

• Polymorphism - ability of an object to take on many forms

• Abstraction - hiding the implementation details and showing only the functionali...read more
Answered by AI
Add your answer
Q2. Write a abstraction program
Ans. 
Abstraction program hides implementation details and shows only necessary information.
• Abstraction is a way to achieve data hiding and encapsulation

• It helps in reducing complexity and increases efficiency

• Example: A car dashboard shows only necessary information like speed, fuel level, etc. and hides the implementation details of the engine

• Abstraction can be achieved through abstract classes and interfaces
Answered by AI
Add your answer

Q1. Tell about your self
Add your answer

Q1. Objects,inheritance,abstraction,polymorphism, encapsulation
Add your answer

Reversing the number, string reversing, palidrome

Q1. About oops, exception, threads, basics of collection
Add your answer

Q1. About me, long term goal, short term goal, hobbies, salary discussion
Add your answer