KGISL UI Developer Interview Questions and Answers

Q1. Explain Public , private Procedure
Ans. 
Public and private procedures in PL/SQL control the visibility and accessibility of procedures within a package.
• Public procedures can be accessed by other packages or programs outside the package.

• Private procedures can only be accessed within the package where they are defined.

• Public procedures are declared in the package specification using the 'PUBLIC' keyword.

• Private procedures are declared in the package body witho...read more
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Q2. Cursor and Trigger , Mutating error
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Q1. How do you optimize Stored procedure
Ans. 
Optimizing stored procedures involves using proper indexing, reducing unnecessary loops, and minimizing database calls.
• Use proper indexing on columns used in WHERE clauses to improve query performance

• Avoid using cursors and loops whenever possible, as they can be inefficient

• Minimize the number of database calls by combining multiple queries into a single query or using temporary tables

• Consider using bulk processing tec...read more
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Q2. How do you optimize SQL query
Ans. 
Optimizing SQL queries involves using indexes, minimizing data retrieval, avoiding unnecessary joins, and optimizing query structure.
• Use indexes on columns frequently used in WHERE clauses

• Minimize data retrieval by selecting only necessary columns

• Avoid unnecessary joins by using EXISTS or IN clauses instead

• Optimize query structure by using appropriate join types and conditions
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Q3. What is use of returning clause
Ans. 
Returning clause is used to return a value from a function or procedure in PL/SQL.
• Used to return a single value from a function or procedure

• Can be used to return multiple values using OUT parameters

• Helps in passing values back to the calling program
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Q4. Disadvantages of triggers
Ans. 
Triggers can lead to performance issues, complexity, and potential for unintended consequences.
• Triggers can make code harder to debug and maintain

• They can lead to cascading effects if not carefully implemented

• Performance can be impacted if triggers are not optimized

• Triggers can introduce dependencies between different parts of the codebase
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It was aptitude round

Q1. What are OOPS in java?
Ans. 
OOPS in Java stands for Object-Oriented Programming concepts which include inheritance, encapsulation, polymorphism, and abstraction.
• OOPS stands for Object-Oriented Programming concepts

• Includes inheritance, encapsulation, polymorphism, and abstraction

• Encourages modular and reusable code

• Allows for easier maintenance and updates

• Example: Creating classes and objects in Java
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Q2. Explain exception handling in java
Ans. 
Exception handling in Java is a mechanism to handle runtime errors and prevent program crashes.
• Use try-catch blocks to handle exceptions

• Use finally block to execute code regardless of exception

• Use throw keyword to manually throw exceptions

• Use throws keyword in method signature to declare exceptions that can be thrown
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Technical questions will be there

Simple coding questions will be asked.

Q1. Only about salary and joining dates.
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Q1. 1. Introduce yourself, by describing all the projects you have worked on. 2. What is your approach to bringing in a Bone Fracture classifier? 3. Confusion matrix and its definitions of TP, FP and Precision...read more
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Q2. What is your current CTC and what is your expected CTC?
Ans. 
Current CTC is confidential. Expectation is based on market standards and my experience.
• Current CTC is confidential information and not disclosed in interviews.

• Expected CTC is based on market standards, industry trends, and my experience.

• I am looking for a competitive salary package that aligns with my skills and expertise.
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GD assesses the overall personality – thoughts, feelings and behaviour - of an individual in a group. A topic is presented to the group members for discussion.

To share and exchange knowledge and ideas, clarify doubts, and arrive at a collective decision or understanding

A case study is an appropriate research design when you want to gain concrete, contextual, in-depth knowledge about a specific real-world subject.

Q1. What is Tally t
Ans. 
Tally t is a software used for accounting and financial management.
• Tally t is a popular accounting software used by businesses for managing financial transactions.

• It helps in recording and tracking financial data such as sales, purchases, expenses, and more.

• Tally t provides features like invoicing, inventory management, payroll processing, and tax compliance.

• It is widely used in India and other countries for its user-f
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Ask what the effects on Indian economy due to climent change

Ask some aptitude and technical questions

Q1. Ask some dbms queries and method overloading and method overridng
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Q1. Add oops concepts on room
Ans. 
Object-oriented programming concepts can be applied to a room by treating it as an object with properties and behaviors.
• Encapsulation: Encapsulate the room's properties (such as size, color, furniture) and behaviors (such as lighting, temperature control) within a Room class.

• Inheritance: Create subclasses of Room for different types of rooms (e.g. Bedroom, LivingRoom) that inherit common properties and behaviors from t...read more
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