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Pushdown operations in SAP BODS optimize data processing by executing transformations at the database level.
Partial Pushdown: Only some transformations are pushed to the database, while others are processed in BODS.
Example: Filtering data at the database level while performing aggregations in BODS.
Full Pushdown: All transformations are executed in the database, minimizing data movement.
Example: Using SQL functions...
A Python script to manipulate Excel and SQL for handling null values and identifying outliers.
Use pandas to read Excel files: `df = pd.read_excel('file.xlsx')`.
Check for null values: `df.isnull().sum()`.
Remove rows with null values: `df.dropna(inplace=True)`.
Identify outliers using IQR method: `Q1 = df.quantile(0.25); Q3 = df.quantile(0.75); IQR = Q3 - Q1`.
Filter out outliers: `df = df[~((df < (Q1 - 1.5 * IQR))...
Using a constant reference in a copy constructor avoids unnecessary copying and ensures the original object remains unchanged.
Efficiency: Passing by constant reference prevents the overhead of copying large objects, improving performance.
Const Correctness: It ensures that the original object cannot be modified, maintaining the integrity of the data.
Syntax Example: In a copy constructor, you might see 'ClassName(co...
Creating a custom string class using char* involves managing memory, constructors, destructors, and operator overloading.
Memory Management: Use dynamic memory allocation (e.g., new and delete) to manage the char* array, ensuring proper allocation and deallocation.
Constructor: Implement a constructor to initialize the string from a char* input, copying the content and allocating necessary memory.
Destructor: Define ...
Runtime polymorphism allows methods to be invoked at runtime based on the object's type, enabling dynamic method resolution.
Achieved through method overriding in inheritance.
Example: A base class 'Animal' has a method 'sound()', overridden by 'Dog' and 'Cat'.
The method invoked depends on the object type at runtime.
Facilitates code flexibility and reusability.
Commonly used in frameworks and libraries for dynamic be...
Vector projection involves calculating the component of one vector along another using dot products.
The formula for projecting vector A onto vector B is: proj_B(A) = (A · B / B · B) * B.
Here, A · B represents the dot product of vectors A and B.
The result is a vector that points in the direction of B and has a magnitude equal to the component of A in that direction.
Example: If A = (3, 4) and B = (1, 0), then proj_B...
To find the individual with a different weight among nine, only three weighings are needed using a balance scale.
First Weighing: Divide the nine individuals into three groups of three and weigh two groups against each other.
Second Weighing: Depending on the result, take the group that was heavier or lighter and divide it into three individuals, weighing two of them.
Third Weighing: If the second weighing is equal, ...
To determine the ages of two individuals from their product, analyze factors and possible age combinations.
Factorization: Start by factoring the given product into pairs of integers, as these pairs represent potential ages.
Age Constraints: Ensure that both ages are within a reasonable range for voting eligibility, typically 18 years and older.
Unique Solutions: Check if the factor pairs yield unique age combination...
I collaborated with my team to develop a software solution, enhancing communication and efficiency in our project.
Participated in daily stand-up meetings to discuss progress and roadblocks, ensuring everyone was aligned.
Used collaborative tools like GitHub for version control, allowing multiple developers to work on the same codebase seamlessly.
Engaged in pair programming sessions, which improved code quality and ...
Thermal analysis is the study of how materials respond to changes in temperature.
It involves analyzing the thermal properties of materials, such as conductivity and expansion.
Thermal analysis techniques include differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA).
It is used in various industries like aerospace, automotive, and electronics to ensure product reliability and performance.
posted on 15 Jan 2025
I applied via LinkedIn and was interviewed in Dec 2024. There was 1 interview round.
The golden rules of accounting are basic principles that guide the process of recording financial transactions.
The golden rules include the principles of debit and credit, which are used to record transactions accurately.
Debit what comes in and credit what goes out is one of the golden rules of accounting.
Another golden rule is debit the receiver and credit the giver.
The final golden rule is debit all expenses and loss...
Prepaid taxes are recorded as an asset on the balance sheet until they are actually paid.
Prepaid taxes are initially recorded as a debit to the Prepaid Taxes account and a credit to the Cash account.
When the taxes are actually paid, the entry is a debit to the Taxes Expense account and a credit to the Prepaid Taxes account.
The balance in the Prepaid Taxes account represents taxes that have been paid in advance but not ...
Budgeting is the process of creating a plan for how to spend money, taking into account income and expenses.
Budgeting involves setting financial goals and creating a roadmap to achieve them
It helps in tracking expenses, identifying areas for cost savings, and ensuring financial stability
Examples of budgeting tools include spreadsheets, budgeting apps, and financial planning software
Budgeting involves setting a financial plan for a specific period, while forecasting predicts future financial outcomes based on current data and trends.
Budgeting is a detailed financial plan for a specific period, usually a year, outlining expected revenues and expenses.
Forecasting involves predicting future financial outcomes based on current data and trends, helping in decision-making and planning.
Budgeting is more ...
Order to cash process is the set of business processes involved in receiving and fulfilling customer orders.
Customer places an order
Order is processed and approved
Product is picked, packed, and shipped
Invoice is generated and sent to customer
Payment is received and recorded
Bank reconciliation is the process of comparing a company's records with those of the bank to ensure they match.
Gather bank statements and company records
Compare deposits, withdrawals, and fees between the two sets of records
Identify and investigate any discrepancies
Adjust the company's records to match the bank's records
Prepare a bank reconciliation statement to document the process
A real account refers to assets, liabilities, and equity accounts on a company's balance sheet.
Real accounts are permanent accounts that are not closed at the end of an accounting period.
They include assets like cash, accounts receivable, inventory, property, plant, and equipment, as well as liabilities and equity.
Changes in real accounts are recorded on the balance sheet and do not affect the income statement.
Examples...
I applied via Approached by Company and was interviewed in Sep 2024. There was 1 interview round.
I worked on a project to develop a mobile application for tracking fitness goals and workouts.
Tested user authentication and registration processes
Performed functional testing on workout tracking features
Conducted regression testing after each new feature implementation
Regression testing is retesting of software to ensure that recent changes have not adversely affected existing features. Regression defects are bugs that reappear after changes.
Regression testing is performed to make sure that new code changes have not introduced any new bugs or caused existing functionalities to break.
It involves re-executing test cases that cover the impacted areas of the software.
Regression defects ...
Regression defects occur when previously working features fail after changes in the codebase.
Regression defects can arise after new features are added, e.g., a new payment method breaks existing checkout functionality.
They can also occur due to code refactoring, such as changing a function's implementation that inadvertently affects other parts.
Automated regression tests help catch these defects early, e.g., running a ...
Verification ensures the product is built right, while validation ensures the right product is built.
Verification focuses on process, validation focuses on product
Verification answers 'Are we building the product right?'
Validation answers 'Are we building the right product?'
Verification is done before validation
Regression tests are run after every significant code change or new feature implementation.
Regression tests are typically run after every significant code change or new feature implementation to ensure that existing functionalities are not affected.
The frequency of running regression tests may vary depending on the project timeline and release cycle.
In Agile development, regression tests are often run as part of the co...
To select the 5th dropdown option, locate the dropdown element and choose the 5th option.
Locate the dropdown element using its unique identifier or class name
Use a method like 'selectByIndex' or 'selectByVisibleText' to choose the 5th option
Verify that the correct option has been selected
Use xpath to locate Google Search tab and Voice search button on the webpage.
For Google Search tab: //input[@name='btnK']
For Voice search button: //div[@aria-label='Search by voice']
Java program to reverse a string without using predefined methods.
Create a char array from the input string.
Use two pointers, one at the start and one at the end, to swap characters.
Continue swapping characters until the pointers meet in the middle.
Some common libraries used for verifying test cases are JUnit, TestNG, Selenium, and RestAssured.
JUnit is a popular Java testing framework for unit testing.
TestNG is another Java testing framework that supports parameterized and data-driven testing.
Selenium is a widely used tool for automating web browsers for testing purposes.
RestAssured is a Java library for testing RESTful APIs.
I appeared for an interview in Jun 2025, where I was asked the following questions.
SAP BODS supports various joins and custom functions for data integration and transformation.
Inner Join: Combines records with matching values in both tables. Example: Joining customer and order tables on customer ID.
Left Outer Join: Returns all records from the left table and matched records from the right table. Example: All customers with their orders.
Right Outer Join: Returns all records from the right table and ma...
Pushdown operations in SAP BODS optimize data processing by executing transformations at the database level.
Partial Pushdown: Only some transformations are pushed to the database, while others are processed in BODS.
Example: Filtering data at the database level while performing aggregations in BODS.
Full Pushdown: All transformations are executed in the database, minimizing data movement.
Example: Using SQL functions dire...
I applied via Campus Placement and was interviewed in Oct 2024. There were 3 interview rounds.
It included aptitude, technical and coding questions
The question involves manipulating bits to solve a problem, often requiring knowledge of bitwise operations.
Understand bitwise operators: AND (&), OR (|), XOR (^), NOT (~).
Example: XOR can be used to find the unique number in an array where every other number appears twice.
Practice common bit manipulation problems like counting set bits or finding the ith bit.
Use bit shifting (<<, >>) for efficient mult...
I applied via Campus Placement and was interviewed in Oct 2024. There was 1 interview round.
A binary tree is a data structure where each node has at most two children.
Start by creating a Node class with left and right child pointers.
Implement methods to insert, search, and delete nodes in the tree.
Consider different traversal methods like inorder, preorder, and postorder.
Basic to intermediate Question based on Maths
Implement a Linked List using a stack data structure
Create a stack to store the elements of the linked list
Push new elements onto the stack when adding to the linked list
Pop elements from the stack when removing from the linked list
I applied via Campus Placement and was interviewed in Jul 2024. There were 2 interview rounds.
58 question, basic aptitude with topics like ratio and proportion, 3d geometry.
3 coding questions with 5 mins each to solve, easy questions like given a list with duplicate elements return the same list with unique elements.
I applied via Campus Placement and was interviewed in Aug 2024. There were 2 interview rounds.
Aptitude questions was their and it was in particular time then coding question it also was with solve in particular time frame
Validate input by checking for specific error messages instead of success message
Check for error messages related to incorrect input (e.g. 'Invalid username/password')
Verify the response code or status returned after login attempt
Look for any specific patterns in the error messages that indicate incorrect input
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