ITC Infotech Plsql Developer Interview Questions, Process, and Tips

Q1. CREATE A FUNCTION BASED ONLOGIC SHARED
Ans. 
Create a function based on shared logic
• Identify common logic that can be reused in multiple functions

• Create a separate function to encapsulate the shared logic

• Call the shared function from other functions where the logic is needed
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Q2. FOR AN ENTITY GIVE DTAILS OF PREVOUS AND NEXT DATE FOR PARTICULAR DEPATMENT
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Q1. What is plsql and sql
Ans. 
PL/SQL is a procedural extension of SQL used for writing stored procedures, functions, triggers, and packages in Oracle databases.
• PL/SQL stands for Procedural Language/Structured Query Language

• It is used to write procedural code like stored procedures, functions, triggers, and packages in Oracle databases

• SQL (Structured Query Language) is a standard language for accessing and manipulating databases

• SQL is used to query,...read more
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Questions on plsql and sql in general

Q1. Difference between delete, drop and truncate
Ans. 
Delete removes rows from a table, drop removes the entire table, and truncate removes all rows from a table.
• Delete is a DML operation and can be rolled back, but it is slower than truncate.

• Drop is a DDL operation and cannot be rolled back. It removes the table and all associated objects.

• Truncate is a DDL operation and cannot be rolled back. It removes all rows from the table but keeps the table structure.

• Delete and tru...read more
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Q2. Difference between table and view
Ans. 
Table stores data in a structured format while view is a virtual table created from a query.
• Table is a physical object while view is a logical object.

• Table can be modified while view cannot be modified directly.

• Table can have indexes while view cannot have indexes.

• Table can have constraints while view cannot have constraints.

• View can be used to simplify complex queries by joining multiple tables.

• View can be used to res...read more
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Q3. What type of cursors did you use
Ans. 
I have used both implicit and explicit cursors in PL/SQL development.
• Implicit cursors are used for single-row queries while explicit cursors are used for multi-row queries.

• I have used explicit cursors with parameters to make the query more dynamic.

• I have also used cursor variables to pass cursors as parameters to procedures and functions.

• Examples of cursor types I have used include FOR LOOP, FETCH, and UPDATE cursors.
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Q4. What is primary key and unique key
Ans. 
Primary key uniquely identifies a record in a table, while unique key ensures uniqueness of a column or set of columns.
• Primary key is a column or set of columns that uniquely identifies each record in a table

• Unique key ensures that a column or set of columns have unique values

• Primary key cannot have null values, while unique key can have null values

• A table can have only one primary key, but multiple unique keys
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JOINS DIFFERENCE BETWEEEN (LEFT,RIGHT,INNER,FULL)

CREATE OR REPLACE PROCEDURE PP(A NUMBER) IS
BEGIN
DBMS_OUTPUT.PUT_LINE(A);
END;
/

Easy exam sample available on youtube

Q1. What are step functions.
Ans. 
Step functions are a type of serverless function that allow you to create workflows by chaining multiple functions together.
• Step functions are used to coordinate multiple AWS services into serverless workflows.

• They allow you to define a series of steps in a workflow, with each step being a separate function.

• You can use step functions to handle complex business logic, long-running processes, and error handling.

• Step func...read more
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Q2. How to scale lambdas
Ans. 
Scaling lambdas involves optimizing memory usage, increasing concurrency, and managing dependencies.
• Optimize memory usage by reducing unnecessary variables and objects

• Increase concurrency by using asynchronous programming and parallel processing

• Manage dependencies by breaking down functions into smaller, more modular components

• Consider using AWS Lambda Provisioned Concurrency for consistent performance
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Q1. How did you handled a difficult collegelue
Ans. 
I addressed the issue directly and professionally, seeking to understand their perspective and find common ground.
• Approached the colleague privately to discuss the issue

• Listened actively to their concerns and perspective

• Sought to find common ground and reach a resolution

• Maintained professionalism and respect throughout the conversation
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It had mcq and 1 hard coding question

Q1. They asked me about backtracking and dp series problem and also to solve the given question
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Q2. Java and in depth about different pillars of java
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Worst set of questions

Advanced DSA for entry level role