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Importing and exporting CSV files in a database involves reading data from CSV and writing it to a table using SQL commands.
Importing CSV: Use the 'LOAD DATA INFILE' command in MySQL to import data from a CSV file into a table. Example: 'LOAD DATA INFILE 'file.csv' INTO TABLE my_table FIELDS TERMINATED BY ',';'
Exporting CSV: Use the 'SELECT ... INTO OUTFILE' command to export data from a table to a CSV file. Example: '...
array_merge combines arrays by appending elements, while array_combine creates an array using one array for keys and another for values.
array_merge: Merges multiple arrays into one. Example: array_merge(['a', 'b'], ['c', 'd']) results in ['a', 'b', 'c', 'd'].
array_combine: Creates an associative array using one array for keys and another for values. Example: array_combine(['a', 'b'], [1, 2]) results in ['a' => 1, 'b...
I appeared for an interview in Oct 2024, where I was asked the following questions.
I applied via Walk-in and was interviewed in Apr 2024. There were 3 interview rounds.
15 MCQ on reading compression
15 MCQ on logical reasoning
I am a data-driven professional with a strong background in research and analysis.
Experienced in collecting, analyzing, and interpreting data
Proficient in using statistical software and tools
Strong problem-solving and critical thinking skills
Excellent communication and presentation abilities
I have a strong background in data analysis, excellent communication skills, and a proven track record of delivering high-quality research results.
Extensive experience in data analysis and research methodologies
Strong communication skills to effectively present findings and collaborate with team members
Proven track record of delivering high-quality research results on time and within budget
I appeared for an interview before Apr 2024, where I was asked the following questions.
API (Application Programming Interface) enables software applications to communicate and interact with each other.
APIs allow different software systems to exchange data and functionality.
RESTful APIs use HTTP requests to perform CRUD operations (Create, Read, Update, Delete).
Example: A weather API provides current weather data for a specified location.
Authentication methods include API keys, OAuth tokens, and Basic Aut...
PDO (PHP Data Objects) is a database access layer providing a uniform method of access to multiple databases in PHP.
PDO provides a data-access abstraction layer, allowing developers to work with different databases using the same functions.
It supports prepared statements, which help prevent SQL injection attacks. Example: $stmt = $pdo->prepare('SELECT * FROM users WHERE id = ?');
PDO can connect to various databases ...
posted on 28 Oct 2023
Python is a versatile programming language commonly used for data analysis and visualization. Power BI is a business analytics tool used for creating interactive reports and dashboards.
Python is a popular programming language known for its simplicity and readability.
Python has a wide range of libraries for data analysis and visualization, such as Pandas, NumPy, and Matplotlib.
Power BI is a business analytics tool by Mi...
I appeared for an interview before Apr 2024, where I was asked the following questions.
I applied via Naukri.com and was interviewed in Dec 2021. There were 3 interview rounds.
I applied via Recruitment Consulltant and was interviewed before Apr 2022. There were 3 interview rounds.
They only check about English understanding. They give some passages and we need to answer those questions. Well its not regular English but if you are good in understanding synonyms then its easy crack.
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I appeared for an interview before May 2023.
I appeared for an interview before Jun 2024, where I was asked the following questions.
I will prioritize tasks, leverage data analysis tools, and communicate effectively to manage my current role efficiently.
Set clear goals and priorities: For example, use SMART criteria to define objectives.
Utilize data analysis tools: Tools like Excel or Tableau can help visualize data trends.
Regularly communicate with stakeholders: Weekly updates can ensure alignment and address concerns early.
Stay organized: Use proj...
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