Hi all
Learn AI FOR FREE!!
https://www.instagram.com/reel/C7Dty2VLyHk/?igsh=MWZ2OGU4NXVvNDZ1eA==
YOU CAN USE THIS GITHUB REPO TO LEARN AI.
https://github.com/microsoft/AI-For-Beginners
Follow @codingdidi.
Learn AI FOR FREE!!
https://www.instagram.com/reel/C7Dty2VLyHk/?igsh=MWZ2OGU4NXVvNDZ1eA==
YOU CAN USE THIS GITHUB REPO TO LEARN AI.
https://github.com/microsoft/AI-For-Beginners
Follow @codingdidi.
Hi, all
Those who requested for AI tools for data analyst role.
Here's is the 2 min yt video link for 10+ tools.
https://youtu.be/TR8zXEQixvo?si=Fq3Mex_d2sI-BdYr
Follow @codingdidi
Those who requested for AI tools for data analyst role.
Here's is the 2 min yt video link for 10+ tools.
https://youtu.be/TR8zXEQixvo?si=Fq3Mex_d2sI-BdYr
Follow @codingdidi
YouTube
Power of Your Data: Top 10 AI Tools for Data Analysis in 2024!๐
Is your data a giant mystery? Do you have tons of information but can't figure it out? This video shows you the BEST 10 tools that use super-smart AI to understand your data! These tools can do cool things like automatically organize your data, showโฆ
โค3๐2
Resume key words for data scientist role explained in points:
1. Data Analysis:
- Proficient in extracting, cleaning, and analyzing data to derive insights.
- Skilled in using statistical methods and machine learning algorithms for data analysis.
- Experience with tools such as Python, R, or SQL for data manipulation and analysis.
2. Machine Learning:
- Strong understanding of machine learning techniques such as regression, classification, clustering, and neural networks.
- Experience in model development, evaluation, and deployment.
- Familiarity with libraries like TensorFlow, scikit-learn, or PyTorch for implementing machine learning models.
3. Data Visualization:
- Ability to present complex data in a clear and understandable manner through visualizations.
- Proficiency in tools like Matplotlib, Seaborn, or Tableau for creating insightful graphs and charts.
- Understanding of best practices in data visualization for effective communication of findings.
4. Big Data:
- Experience working with large datasets using technologies like Hadoop, Spark, or Apache Flink.
- Knowledge of distributed computing principles and tools for processing and analyzing big data.
- Ability to optimize algorithms and processes for scalability and performance.
5. Problem-Solving:
- Strong analytical and problem-solving skills to tackle complex data-related challenges.
- Ability to formulate hypotheses, design experiments, and iterate on solutions.
- Aptitude for identifying opportunities for leveraging data to drive business outcomes and decision-making.
Resume key words for a data analyst role
1. SQL (Structured Query Language):
- SQL is a programming language used for managing and querying relational databases.
- Data analysts often use SQL to extract, manipulate, and analyze data stored in databases, making it a fundamental skill for the role.
2. Python/R:
- Python and R are popular programming languages used for data analysis and statistical computing.
- Proficiency in Python or R allows data analysts to perform various tasks such as data cleaning, modeling, visualization, and machine learning.
3. Data Visualization:
- Data visualization involves presenting data in graphical or visual formats to communicate insights effectively.
- Data analysts use tools like Tableau, Power BI, or Python libraries like Matplotlib and Seaborn to create visualizations that help stakeholders understand complex data patterns and trends.
4. Statistical Analysis:
- Statistical analysis involves applying statistical methods to analyze and interpret data.
- Data analysts use statistical techniques to uncover relationships, trends, and patterns in data, providing valuable insights for decision-making.
5. Data-driven Decision Making:
- Data-driven decision making is the process of making decisions based on data analysis and evidence rather than intuition or gut feelings.
- Data analysts play a crucial role in helping organizations make informed decisions by analyzing data and providing actionable insights that drive business strategies and operations.
Book 1:1 session for profile evaluation, Interview Tip, mock interview, resume review etc.
๐๐
https://topmate.io/codingdidi
Like for more ๐
1. Data Analysis:
- Proficient in extracting, cleaning, and analyzing data to derive insights.
- Skilled in using statistical methods and machine learning algorithms for data analysis.
- Experience with tools such as Python, R, or SQL for data manipulation and analysis.
2. Machine Learning:
- Strong understanding of machine learning techniques such as regression, classification, clustering, and neural networks.
- Experience in model development, evaluation, and deployment.
- Familiarity with libraries like TensorFlow, scikit-learn, or PyTorch for implementing machine learning models.
3. Data Visualization:
- Ability to present complex data in a clear and understandable manner through visualizations.
- Proficiency in tools like Matplotlib, Seaborn, or Tableau for creating insightful graphs and charts.
- Understanding of best practices in data visualization for effective communication of findings.
4. Big Data:
- Experience working with large datasets using technologies like Hadoop, Spark, or Apache Flink.
- Knowledge of distributed computing principles and tools for processing and analyzing big data.
- Ability to optimize algorithms and processes for scalability and performance.
5. Problem-Solving:
- Strong analytical and problem-solving skills to tackle complex data-related challenges.
- Ability to formulate hypotheses, design experiments, and iterate on solutions.
- Aptitude for identifying opportunities for leveraging data to drive business outcomes and decision-making.
Resume key words for a data analyst role
1. SQL (Structured Query Language):
- SQL is a programming language used for managing and querying relational databases.
- Data analysts often use SQL to extract, manipulate, and analyze data stored in databases, making it a fundamental skill for the role.
2. Python/R:
- Python and R are popular programming languages used for data analysis and statistical computing.
- Proficiency in Python or R allows data analysts to perform various tasks such as data cleaning, modeling, visualization, and machine learning.
3. Data Visualization:
- Data visualization involves presenting data in graphical or visual formats to communicate insights effectively.
- Data analysts use tools like Tableau, Power BI, or Python libraries like Matplotlib and Seaborn to create visualizations that help stakeholders understand complex data patterns and trends.
4. Statistical Analysis:
- Statistical analysis involves applying statistical methods to analyze and interpret data.
- Data analysts use statistical techniques to uncover relationships, trends, and patterns in data, providing valuable insights for decision-making.
5. Data-driven Decision Making:
- Data-driven decision making is the process of making decisions based on data analysis and evidence rather than intuition or gut feelings.
- Data analysts play a crucial role in helping organizations make informed decisions by analyzing data and providing actionable insights that drive business strategies and operations.
Book 1:1 session for profile evaluation, Interview Tip, mock interview, resume review etc.
๐๐
https://topmate.io/codingdidi
Like for more ๐
topmate.io
Codingdidi
Content Creator
๐2
๐๐ for the Power BI role, these were some of the questions asked during the interview.
๐. Can you explain the difference between duplicating and referencing a query in Power Query Editor? How do these operations impact data transformation and query dependencies?
๐. What is the distinction between DirectQuery and Live Connection in Power BI? How do these connectivity options affect data retrieval and report performance?
๐. Describe the difference between UserPrincipalName (UPN) and UserName in Power BI. How are these identifiers used for user authentication and access control within the platform?
๐. What is a Key Performance Indicator (KPI) in the context of Power BI? How do you define and visualize KPIs to monitor business performance effectively?
๐. How can you enable clients to modify visualizations in a report after it has been shared or published in Power BI? Explain the approach to empower end-users to customize visuals dynamically.
๐. What is the Power Query Editor in Power BI, and how does it facilitate data transformation tasks? Discuss its role in shaping data for use in reports and dashboards.
๐. What is a Composite Model in Power BI, and how does it enhance data modeling flexibility? Explain how it allows combining imported data with DirectQuery sources within a single report.
๐. Can you highlight significant updates or features introduced in the 2024 version of Power BI that impact data analysis and visualization capabilities?
๐. Is it feasible to schedule a report refresh on a monthly basis in Power BI? Describe the available options for scheduling report refresh and any constraints related to monthly refresh cycles.
๐๐. What are the file formats available to save a Power BI file (e.g., PBIX, PBIT, PBIP )? How do these file formats differ in terms of portability, sharing, and collaboration capabilities within the Power BI ecosystem? Please explain the advantages and use cases for each format.
I am sharing real interview questions asked in companies nowadays to help you prepare more practically for interviews.
๐. Can you explain the difference between duplicating and referencing a query in Power Query Editor? How do these operations impact data transformation and query dependencies?
๐. What is the distinction between DirectQuery and Live Connection in Power BI? How do these connectivity options affect data retrieval and report performance?
๐. Describe the difference between UserPrincipalName (UPN) and UserName in Power BI. How are these identifiers used for user authentication and access control within the platform?
๐. What is a Key Performance Indicator (KPI) in the context of Power BI? How do you define and visualize KPIs to monitor business performance effectively?
๐. How can you enable clients to modify visualizations in a report after it has been shared or published in Power BI? Explain the approach to empower end-users to customize visuals dynamically.
๐. What is the Power Query Editor in Power BI, and how does it facilitate data transformation tasks? Discuss its role in shaping data for use in reports and dashboards.
๐. What is a Composite Model in Power BI, and how does it enhance data modeling flexibility? Explain how it allows combining imported data with DirectQuery sources within a single report.
๐. Can you highlight significant updates or features introduced in the 2024 version of Power BI that impact data analysis and visualization capabilities?
๐. Is it feasible to schedule a report refresh on a monthly basis in Power BI? Describe the available options for scheduling report refresh and any constraints related to monthly refresh cycles.
๐๐. What are the file formats available to save a Power BI file (e.g., PBIX, PBIT, PBIP )? How do these file formats differ in terms of portability, sharing, and collaboration capabilities within the Power BI ecosystem? Please explain the advantages and use cases for each format.
I am sharing real interview questions asked in companies nowadays to help you prepare more practically for interviews.
๐7โค1
7 Data Science Project with Github ๐ Link
https://www.instagram.com/reel/C7I4P9grvOB/?igsh=cWFuZ3diZjFzYjh1
Comment โค๏ธ on this video for more resources like this
1. Home Price Predictions - Dataset
https://www.kaggle.com/code/ashydv/housing-price-prediction-linear-regression
2. Credit Card Approval Prediction - You can use the dataset on Kaggle
Kaggle - https://www.kaggle.com/datasets/rikdifos/credit-card-approval-prediction
Blog -
https://medium.com/analytics-vidhya/machine-learning-steps-explained-using-credit-card-approval-dataset-b18555c48b5a
3. Text Summarization -
Github - https://github.com/dipanjanS/text-analytics-with-python
Kaggle - https://www.kaggle.com/code/mallaavinash/text-summarization
4. Uber Data Analysis
Blog -
https://www.analyticsvidhya.com/blog/2021/10/end-to-end-predictive-analysis-on-ubers-data/
Dataset -
https://www.kaggle.com/datasets/fivethirtyeight/uber-pickups-in-new-york-city
5. Forest Fire Detection.
Github - https://github.com/ErtugrulKusva/Forest_Fire_Detector
6. Video Classification
Github - https://github.com/topics/video-classification
7. Language Detection
Dataset - https://www.kaggle.com/datasets/basilb2s/language-detection
Blog -
https://www.analyticsvidhya.com/blog/2021/03/language-detection-using-natural-language-processing/
โ Follow @codingdidi
https://www.instagram.com/reel/C7I4P9grvOB/?igsh=cWFuZ3diZjFzYjh1
Comment โค๏ธ on this video for more resources like this
1. Home Price Predictions - Dataset
https://www.kaggle.com/code/ashydv/housing-price-prediction-linear-regression
2. Credit Card Approval Prediction - You can use the dataset on Kaggle
Kaggle - https://www.kaggle.com/datasets/rikdifos/credit-card-approval-prediction
Blog -
https://medium.com/analytics-vidhya/machine-learning-steps-explained-using-credit-card-approval-dataset-b18555c48b5a
3. Text Summarization -
Github - https://github.com/dipanjanS/text-analytics-with-python
Kaggle - https://www.kaggle.com/code/mallaavinash/text-summarization
4. Uber Data Analysis
Blog -
https://www.analyticsvidhya.com/blog/2021/10/end-to-end-predictive-analysis-on-ubers-data/
Dataset -
https://www.kaggle.com/datasets/fivethirtyeight/uber-pickups-in-new-york-city
5. Forest Fire Detection.
Github - https://github.com/ErtugrulKusva/Forest_Fire_Detector
6. Video Classification
Github - https://github.com/topics/video-classification
7. Language Detection
Dataset - https://www.kaggle.com/datasets/basilb2s/language-detection
Blog -
https://www.analyticsvidhya.com/blog/2021/03/language-detection-using-natural-language-processing/
โ Follow @codingdidi
Kaggle
Housing Price Prediction ( Linear Regression )
Explore and run machine learning code with Kaggle Notebooks | Using data from Housing Dataset
โค6๐2
Hi all, ๐
Check out the link For tableau resources.
https://www.instagram.com/reel/C7LcBWVLYZc/?igsh=MWJ2MmsyMTI0ejloYw==
Here's the ๐ link:-
https://topmate.io/codingdidi/992334
โค๏ธ๐
Like for more resources like this..! ๐๐
Follow @codingdidiโ
Check out the link For tableau resources.
https://www.instagram.com/reel/C7LcBWVLYZc/?igsh=MWJ2MmsyMTI0ejloYw==
Here's the ๐ link:-
https://topmate.io/codingdidi/992334
โค๏ธ๐
Like for more resources like this..! ๐๐
Follow @codingdidiโ
๐5
Amazon is hiring!
Position: Data Analyst, Analytics
Qualifications: Bachelorโs/ Masterโs Degree
Salary: 5 - 8 LPA (Expected)
Experience: Freshers/ Experienced
https://www.amazon.jobs/en/jobs/2616762/data-analyst-abcs-analytics?cmpid=SPLICX0248M&ss=paid&utm_campaign=cxro&utm_content=job_posting&utm_medium=s
Position: Data Analyst, Analytics
Qualifications: Bachelorโs/ Masterโs Degree
Salary: 5 - 8 LPA (Expected)
Experience: Freshers/ Experienced
https://www.amazon.jobs/en/jobs/2616762/data-analyst-abcs-analytics?cmpid=SPLICX0248M&ss=paid&utm_campaign=cxro&utm_content=job_posting&utm_medium=s
๐1
Honeywell is hiring!
Position: Data Scientist II
Qualifications: Bachelorโs/ Masterโs/ MBA
Salary: 7- 11 LPA (Expected)
Experience: Fresher
Location: Bengaluru
๐Apply Now: https://careers.honeywell.com/us/en/job/HONEUSHRD225742EXTERNALENUS/Data-Scientist-II
Position: Data Scientist II
Qualifications: Bachelorโs/ Masterโs/ MBA
Salary: 7- 11 LPA (Expected)
Experience: Fresher
Location: Bengaluru
๐Apply Now: https://careers.honeywell.com/us/en/job/HONEUSHRD225742EXTERNALENUS/Data-Scientist-II
Here's how you can create
Unique projects for data analyst portfolio.
I have explained each and every step here in this video.
Go check it out ๐
https://youtu.be/XoU2u9H-hmk?si=iY88Bhrv_FU25i2R
โ Follow @codingdidi
Unique projects for data analyst portfolio.
I have explained each and every step here in this video.
Go check it out ๐
https://youtu.be/XoU2u9H-hmk?si=iY88Bhrv_FU25i2R
โ Follow @codingdidi
YouTube
Stand Out! Create a Unique Data Analyst Project (Step-by-Step Guide)
Level Up Your Portfolio: Create a Stand-Out Data Analyst Project (Step-by-Step Guide)
Struggling to make your data analyst portfolio shine? This video is your secret weapon!
We'll walk you through crafting a UNIQUE project that showcases your data wranglingโฆ
Struggling to make your data analyst portfolio shine? This video is your secret weapon!
We'll walk you through crafting a UNIQUE project that showcases your data wranglingโฆ
โค3
This repository contains a list of awesome open-source libraries that will help you deploy, monitor, version, scale, and secure your production machine learning
https://www.linkedin.com/posts/akansha-yadav24_machinelearning-deployment-activity-7198283838471479296-0zxp?utm_source=share&utm_medium=member_android
Check it out. โ
https://www.linkedin.com/posts/akansha-yadav24_machinelearning-deployment-activity-7198283838471479296-0zxp?utm_source=share&utm_medium=member_android
Check it out. โ
Linkedin
Akansha Yadav on LinkedIn: #machinelearning #deployment
๐ Machine Learning for Production This repository contains a list of awesome open-source libraries that will help you deploy, monitor, version, scale, andโฆ
๐3
Save it and share it with your fellow friends...!
https://www.instagram.com/reel/C7OuZOfy3Qm/?igsh=d2h2M2R3dXB1Z3Zu
Follow @codingdidi โ
https://www.instagram.com/reel/C7OuZOfy3Qm/?igsh=d2h2M2R3dXB1Z3Zu
Follow @codingdidi โ
๐3
!!Check the insta story for the giveaway!!
https://www.instagram.com/reel/C7QmBDNSJOh/?igsh=MTN5MzhjaG00OHBzZQ==
โ Follow @codingdidi โ
https://www.instagram.com/reel/C7QmBDNSJOh/?igsh=MTN5MzhjaG00OHBzZQ==
โ Follow @codingdidi โ
๐2
Data Scientist Problems and Tools ๐งต
๐งน Data Cleaning - Pandas
๐ Data Visualization - Matplotlib
๐ Statistical Analysis - SciPy
๐ค Machine Learning - Scikit-Learn
๐ง Deep Learning - TensorFlow
๐พ Big Data Processing - Apache Spark
๐ Natural Language Processing - NLTK
๐ Model Deployment - Flask
๐ Version Control - GitHub
๐๏ธ Data Storage - PostgreSQL
โ๏ธ Cloud Computing - AWS
๐งช Experiment Tracking - MLflow
like for more posts like these!!๐โค๏ธ
Follow @codingdidi โ
๐งน Data Cleaning - Pandas
๐ Data Visualization - Matplotlib
๐ Statistical Analysis - SciPy
๐ค Machine Learning - Scikit-Learn
๐ง Deep Learning - TensorFlow
๐พ Big Data Processing - Apache Spark
๐ Natural Language Processing - NLTK
๐ Model Deployment - Flask
๐ Version Control - GitHub
๐๏ธ Data Storage - PostgreSQL
โ๏ธ Cloud Computing - AWS
๐งช Experiment Tracking - MLflow
like for more posts like these!!๐โค๏ธ
Follow @codingdidi โ
โค12๐5๐1
AI tools for data analyst role.
https://youtu.be/TR8zXEQixvo?si=Fq3Mex_d2sI-BdYr
โ Follow @codingdidiโ
https://youtu.be/TR8zXEQixvo?si=Fq3Mex_d2sI-BdYr
โ Follow @codingdidiโ
YouTube
Power of Your Data: Top 10 AI Tools for Data Analysis in 2024!๐
Is your data a giant mystery? Do you have tons of information but can't figure it out? This video shows you the BEST 10 tools that use super-smart AI to understand your data! These tools can do cool things like automatically organize your data, showโฆ
Check this video and craft the industry standard resume.
https://youtu.be/iAvuAAqu60U?si=w1GQ8REXUi3SgJQv
Don't forget to comment..!!
Follow @codingdidi ๐
https://youtu.be/iAvuAAqu60U?si=w1GQ8REXUi3SgJQv
Don't forget to comment..!!
Follow @codingdidi ๐
YouTube
Craft Your Dream Job Resume: Powerful Tips & Easy Guide (2024)
Looking to land your dream job? A powerful resume is your first step! In this comprehensive guide, we'll walk you through crafting a resume that gets noticed by employers in 2024.
Resume tips 2024: https://www.linkedin.com/pulse/resume-tips-2024-akanshaโฆ
Resume tips 2024: https://www.linkedin.com/pulse/resume-tips-2024-akanshaโฆ
โค2๐2
Citi Hiring Fresher For Business Analyst
Location: Bangalore
Qualification: Bachelor's Degree
Work Experience: Fresher - 2 Years
Salary: Up to 10 LPA
Apply Link: https://jobs.citi.com/job/-/-/287/65497931696?utm_term=393693070&ss=paid&utm_campaign=apac_experienced&utm_medium=job_posting&source=linkedinJB&utm_source=linkedin.com&utm_content=social_media&dclid=CPO78YTpooYDFT-jZgIdsYYGVw
๐Like for more โค๏ธ
All the best ๐๐๐๏ธ๐
Location: Bangalore
Qualification: Bachelor's Degree
Work Experience: Fresher - 2 Years
Salary: Up to 10 LPA
Apply Link: https://jobs.citi.com/job/-/-/287/65497931696?utm_term=393693070&ss=paid&utm_campaign=apac_experienced&utm_medium=job_posting&source=linkedinJB&utm_source=linkedin.com&utm_content=social_media&dclid=CPO78YTpooYDFT-jZgIdsYYGVw
๐Like for more โค๏ธ
All the best ๐๐๐๏ธ๐
Latest Jobs & Internship Opportunities ๐๐
๐Ascensus is hiring for Data Analyst
Expected Salary: 5 - 8 LPA
Apply here: https://careers.ascensus.com/jobs/analyst-tamil-nadu-india
๐Pinebridge is hiring for Data Scientist
Expected Salary: 6 - 10 LPA
Apply here: https://pinebridge.wd5.myworkdayjobs.com/PineBridge_Career_Site/job/Mumbai/Data-Scientist--Quantitative-Equity-Researcher-2_R-01726
๐TaskUs is hiring for Data Scientist
Expected Salary: 6 - 10 LPA
Apply here: https://jobs.eu.humanly.io/jobs/dc0f3ab1-f2e6-4da8-a803-2dcb52422ed7
๐Honeywell is hiring for Data Scientist II
Expected Salary: 20 - 40 LPA
Apply here: https://careers.honeywell.com/us/en/job/HONEUSHRD225742EXTERNALENUS/Data-Scientist-II
๐Successfactors is hiring for Data Scientist
Expected Salary: 20 - 40 LPA
Apply here: https://career10.successfactors.com/career?career_ns=job_listing&company=axtriaindiP&navBarLevel=JOB_SEARCH&rcm_site_locale=en_US&career_job_req_id=9599
๐Like for more โค๏ธ
All the best ๐๐
๐Ascensus is hiring for Data Analyst
Expected Salary: 5 - 8 LPA
Apply here: https://careers.ascensus.com/jobs/analyst-tamil-nadu-india
๐Pinebridge is hiring for Data Scientist
Expected Salary: 6 - 10 LPA
Apply here: https://pinebridge.wd5.myworkdayjobs.com/PineBridge_Career_Site/job/Mumbai/Data-Scientist--Quantitative-Equity-Researcher-2_R-01726
๐TaskUs is hiring for Data Scientist
Expected Salary: 6 - 10 LPA
Apply here: https://jobs.eu.humanly.io/jobs/dc0f3ab1-f2e6-4da8-a803-2dcb52422ed7
๐Honeywell is hiring for Data Scientist II
Expected Salary: 20 - 40 LPA
Apply here: https://careers.honeywell.com/us/en/job/HONEUSHRD225742EXTERNALENUS/Data-Scientist-II
๐Successfactors is hiring for Data Scientist
Expected Salary: 20 - 40 LPA
Apply here: https://career10.successfactors.com/career?career_ns=job_listing&company=axtriaindiP&navBarLevel=JOB_SEARCH&rcm_site_locale=en_US&career_job_req_id=9599
๐Like for more โค๏ธ
All the best ๐๐
๐2
Complete topics & subtopics of hashtag #SQL for Data Analyst role:-
๐ญ. ๐๐ฎ๐๐ถ๐ฐ ๐ฆ๐ค๐ ๐ฆ๐๐ป๐๐ฎ๐ :
SQL keywords
Data types
Operators
SQL statements (SELECT, INSERT, UPDATE, DELETE)
๐ฎ. ๐๐ฎ๐๐ฎ ๐๐ฒ๐ณ๐ถ๐ป๐ถ๐๐ถ๐ผ๐ป ๐๐ฎ๐ป๐ด๐๐ฎ๐ด๐ฒ (๐๐๐):
CREATE TABLE
ALTER TABLE
DROP TABLE
Truncate table
๐ฏ. ๐๐ฎ๐๐ฎ ๐ ๐ฎ๐ป๐ถ๐ฝ๐๐น๐ฎ๐๐ถ๐ผ๐ป ๐๐ฎ๐ป๐ด๐๐ฎ๐ด๐ฒ (๐๐ ๐):
SELECT statement (SELECT, FROM, WHERE, ORDER BY, GROUP BY, HAVING, JOINs)
INSERT statement
UPDATE statement
DELETE statement
๐ฐ. ๐๐ด๐ด๐ฟ๐ฒ๐ด๐ฎ๐๐ฒ ๐๐๐ป๐ฐ๐๐ถ๐ผ๐ป๐:
SUM, AVG, COUNT, MIN, MAX
GROUP BY clause
HAVING clause
๐ฑ. ๐๐ฎ๐๐ฎ ๐๐ผ๐ป๐๐๐ฟ๐ฎ๐ถ๐ป๐๐:
Primary Key
Foreign Key
Unique
NOT NULL
CHECK
๐ฒ. ๐๐ผ๐ถ๐ป๐:
INNER JOIN
LEFT JOIN
RIGHT JOIN
FULL OUTER JOIN
Self Join
Cross Join
๐ณ. ๐ฆ๐๐ฏ๐พ๐๐ฒ๐ฟ๐ถ๐ฒ๐:
Types of subqueries (scalar, column, row, table)
Nested subqueries
Correlated subqueries
๐ด. ๐๐ฑ๐๐ฎ๐ป๐ฐ๐ฒ๐ฑ ๐ฆ๐ค๐ ๐๐๐ป๐ฐ๐๐ถ๐ผ๐ป๐:
String functions (CONCAT, LENGTH, SUBSTRING, REPLACE, UPPER, LOWER)
Date and time functions (DATE, TIME, TIMESTAMP, DATEPART, DATEADD)
Numeric functions (ROUND, CEILING, FLOOR, ABS, MOD)
Conditional functions (CASE, COALESCE, NULLIF)
๐ต. ๐ฉ๐ถ๐ฒ๐๐:
Creating views
Modifying views
Dropping views
๐ญ๐ฌ. ๐๐ป๐ฑ๐ฒ๐ ๐ฒ๐:
Creating indexes
Using indexes for query optimization
๐ญ๐ญ. ๐ง๐ฟ๐ฎ๐ป๐๐ฎ๐ฐ๐๐ถ๐ผ๐ป๐:
ACID properties
Transaction management (BEGIN, COMMIT, ROLLBACK, SAVEPOINT)
Transaction isolation levels
๐ญ๐ฎ. ๐๐ฎ๐๐ฎ ๐๐ป๐๐ฒ๐ด๐ฟ๐ถ๐๐ ๐ฎ๐ป๐ฑ ๐ฆ๐ฒ๐ฐ๐๐ฟ๐ถ๐๐:
Data integrity constraints (referential integrity, entity integrity)
GRANT and REVOKE statements (granting and revoking permissions)
Database security best practices
๐ญ๐ฏ. ๐ฆ๐๐ผ๐ฟ๐ฒ๐ฑ ๐ฃ๐ฟ๐ผ๐ฐ๐ฒ๐ฑ๐๐ฟ๐ฒ๐ ๐ฎ๐ป๐ฑ ๐๐๐ป๐ฐ๐๐ถ๐ผ๐ป๐:
Creating stored procedures
Executing stored procedures
Creating functions
Using functions in queries
๐ญ๐ฐ. ๐ฃ๐ฒ๐ฟ๐ณ๐ผ๐ฟ๐บ๐ฎ๐ป๐ฐ๐ฒ ๐ข๐ฝ๐๐ถ๐บ๐ถ๐๐ฎ๐๐ถ๐ผ๐ป:
Query optimization techniques (using indexes, optimizing joins, reducing subqueries)
Performance tuning best practices
๐ญ๐ฑ. ๐๐ฑ๐๐ฎ๐ป๐ฐ๐ฒ๐ฑ ๐ฆ๐ค๐ ๐๐ผ๐ป๐ฐ๐ฒ๐ฝ๐๐:
Recursive queries
Pivot and unpivot operations
Window functions (Row_number, rank, dense_rank, lead & lag)
CTEs (Common Table Expressions)
Dynamic SQL
๐๐ผ๐ถ๐ป ๐บ๐ ๐ง๐ฒ๐น๐ฒ๐ด๐ฟ๐ฎ๐บ ๐๐ต๐ฎ๐ป๐ป๐ฒ๐น - https://t.me/codingdidi
If you've read so far, do LIKE the post๐
๐ญ. ๐๐ฎ๐๐ถ๐ฐ ๐ฆ๐ค๐ ๐ฆ๐๐ป๐๐ฎ๐ :
SQL keywords
Data types
Operators
SQL statements (SELECT, INSERT, UPDATE, DELETE)
๐ฎ. ๐๐ฎ๐๐ฎ ๐๐ฒ๐ณ๐ถ๐ป๐ถ๐๐ถ๐ผ๐ป ๐๐ฎ๐ป๐ด๐๐ฎ๐ด๐ฒ (๐๐๐):
CREATE TABLE
ALTER TABLE
DROP TABLE
Truncate table
๐ฏ. ๐๐ฎ๐๐ฎ ๐ ๐ฎ๐ป๐ถ๐ฝ๐๐น๐ฎ๐๐ถ๐ผ๐ป ๐๐ฎ๐ป๐ด๐๐ฎ๐ด๐ฒ (๐๐ ๐):
SELECT statement (SELECT, FROM, WHERE, ORDER BY, GROUP BY, HAVING, JOINs)
INSERT statement
UPDATE statement
DELETE statement
๐ฐ. ๐๐ด๐ด๐ฟ๐ฒ๐ด๐ฎ๐๐ฒ ๐๐๐ป๐ฐ๐๐ถ๐ผ๐ป๐:
SUM, AVG, COUNT, MIN, MAX
GROUP BY clause
HAVING clause
๐ฑ. ๐๐ฎ๐๐ฎ ๐๐ผ๐ป๐๐๐ฟ๐ฎ๐ถ๐ป๐๐:
Primary Key
Foreign Key
Unique
NOT NULL
CHECK
๐ฒ. ๐๐ผ๐ถ๐ป๐:
INNER JOIN
LEFT JOIN
RIGHT JOIN
FULL OUTER JOIN
Self Join
Cross Join
๐ณ. ๐ฆ๐๐ฏ๐พ๐๐ฒ๐ฟ๐ถ๐ฒ๐:
Types of subqueries (scalar, column, row, table)
Nested subqueries
Correlated subqueries
๐ด. ๐๐ฑ๐๐ฎ๐ป๐ฐ๐ฒ๐ฑ ๐ฆ๐ค๐ ๐๐๐ป๐ฐ๐๐ถ๐ผ๐ป๐:
String functions (CONCAT, LENGTH, SUBSTRING, REPLACE, UPPER, LOWER)
Date and time functions (DATE, TIME, TIMESTAMP, DATEPART, DATEADD)
Numeric functions (ROUND, CEILING, FLOOR, ABS, MOD)
Conditional functions (CASE, COALESCE, NULLIF)
๐ต. ๐ฉ๐ถ๐ฒ๐๐:
Creating views
Modifying views
Dropping views
๐ญ๐ฌ. ๐๐ป๐ฑ๐ฒ๐ ๐ฒ๐:
Creating indexes
Using indexes for query optimization
๐ญ๐ญ. ๐ง๐ฟ๐ฎ๐ป๐๐ฎ๐ฐ๐๐ถ๐ผ๐ป๐:
ACID properties
Transaction management (BEGIN, COMMIT, ROLLBACK, SAVEPOINT)
Transaction isolation levels
๐ญ๐ฎ. ๐๐ฎ๐๐ฎ ๐๐ป๐๐ฒ๐ด๐ฟ๐ถ๐๐ ๐ฎ๐ป๐ฑ ๐ฆ๐ฒ๐ฐ๐๐ฟ๐ถ๐๐:
Data integrity constraints (referential integrity, entity integrity)
GRANT and REVOKE statements (granting and revoking permissions)
Database security best practices
๐ญ๐ฏ. ๐ฆ๐๐ผ๐ฟ๐ฒ๐ฑ ๐ฃ๐ฟ๐ผ๐ฐ๐ฒ๐ฑ๐๐ฟ๐ฒ๐ ๐ฎ๐ป๐ฑ ๐๐๐ป๐ฐ๐๐ถ๐ผ๐ป๐:
Creating stored procedures
Executing stored procedures
Creating functions
Using functions in queries
๐ญ๐ฐ. ๐ฃ๐ฒ๐ฟ๐ณ๐ผ๐ฟ๐บ๐ฎ๐ป๐ฐ๐ฒ ๐ข๐ฝ๐๐ถ๐บ๐ถ๐๐ฎ๐๐ถ๐ผ๐ป:
Query optimization techniques (using indexes, optimizing joins, reducing subqueries)
Performance tuning best practices
๐ญ๐ฑ. ๐๐ฑ๐๐ฎ๐ป๐ฐ๐ฒ๐ฑ ๐ฆ๐ค๐ ๐๐ผ๐ป๐ฐ๐ฒ๐ฝ๐๐:
Recursive queries
Pivot and unpivot operations
Window functions (Row_number, rank, dense_rank, lead & lag)
CTEs (Common Table Expressions)
Dynamic SQL
๐๐ผ๐ถ๐ป ๐บ๐ ๐ง๐ฒ๐น๐ฒ๐ด๐ฟ๐ฎ๐บ ๐๐ต๐ฎ๐ป๐ป๐ฒ๐น - https://t.me/codingdidi
If you've read so far, do LIKE the post๐
Telegram
@Codingdidi
Free learning Resources For Data Analysts, Data science, ML, AI, GEN AI and Job updates, career growth, Tech updates
๐27โค3
Identifying outliers in a data science project is an important step to ensure the quality and accuracy of your analysis. Outliers can be caused by measurement errors, data entry mistakes, or even intentional manipulation. Here are some approaches you can use to identify liars in your data science project:
1. Visual Exploration: Start by visualizing your data using plots such as histograms, box plots, or scatter plots. Look for any data points that appear significantly different from the majority of the data. Outliers may appear as points that are far away from the main cluster or exhibit unusual patterns.
2. Statistical Methods: Utilize statistical methods to identify outliers. One common approach is to calculate the z-score or standard deviation of each data point and flag those that fall outside a certain threshold (e.g., more than 3 standard deviations away). Another method is the interquartile range (IQR), where data points outside the range of 1.5 times the IQR are considered outliers.
3. Domain Knowledge: Leverage your domain expertise to identify potential outliers. If you have a good understanding of the data and the context in which it was collected, you may be able to identify values that are implausible or inconsistent with what is expected.
4. Machine Learning Techniques: You can use machine learning algorithms to detect outliers. Unsupervised learning algorithms like clustering or density-based methods (e.g., DBSCAN) can help identify unusual patterns or clusters in the data that may indicate outliers.
5. Data Validation: Cross-check your data with external sources or known benchmarks. If possible, compare your data with other reliable sources or conduct external validation to verify its accuracy and consistency.
6. Outlier Detection Models: Train outlier detection models on your dataset. These models can learn patterns from the majority of the data and flag any observations that deviate significantly from those patterns.
It's important to note that not all outliers are necessarily liars or errors; some may represent valid and interesting data points. It's crucial to carefully investigate and understand the reasons behind the outliers before making any decisions about their treatment or exclusion from the analysis.
Like for more โค๏ธ
1. Visual Exploration: Start by visualizing your data using plots such as histograms, box plots, or scatter plots. Look for any data points that appear significantly different from the majority of the data. Outliers may appear as points that are far away from the main cluster or exhibit unusual patterns.
2. Statistical Methods: Utilize statistical methods to identify outliers. One common approach is to calculate the z-score or standard deviation of each data point and flag those that fall outside a certain threshold (e.g., more than 3 standard deviations away). Another method is the interquartile range (IQR), where data points outside the range of 1.5 times the IQR are considered outliers.
3. Domain Knowledge: Leverage your domain expertise to identify potential outliers. If you have a good understanding of the data and the context in which it was collected, you may be able to identify values that are implausible or inconsistent with what is expected.
4. Machine Learning Techniques: You can use machine learning algorithms to detect outliers. Unsupervised learning algorithms like clustering or density-based methods (e.g., DBSCAN) can help identify unusual patterns or clusters in the data that may indicate outliers.
5. Data Validation: Cross-check your data with external sources or known benchmarks. If possible, compare your data with other reliable sources or conduct external validation to verify its accuracy and consistency.
6. Outlier Detection Models: Train outlier detection models on your dataset. These models can learn patterns from the majority of the data and flag any observations that deviate significantly from those patterns.
It's important to note that not all outliers are necessarily liars or errors; some may represent valid and interesting data points. It's crucial to carefully investigate and understand the reasons behind the outliers before making any decisions about their treatment or exclusion from the analysis.
Like for more โค๏ธ
๐4
Nvidia has launched multiple GenAi, and AI courses.
Check this video!
https://www.instagram.com/reel/C7hAmjyPGPc/?igsh=YzFxaTAxcTV0M2tw
FREE COURSES link:- ๐๏ธ
https://learn.nvidia.com/en-us/training/self-paced-courses
Follow for moreโค๏ธ
Don't forget to comment on the video if you want more posts like these. ๐
Check this video!
https://www.instagram.com/reel/C7hAmjyPGPc/?igsh=YzFxaTAxcTV0M2tw
FREE COURSES link:- ๐๏ธ
https://learn.nvidia.com/en-us/training/self-paced-courses
Follow for moreโค๏ธ
Don't forget to comment on the video if you want more posts like these. ๐
๐4