Forwarded from Free Courses: Google | Microsoft | Udemy | Coursera | IBM | NVIDIA | LinkedIn Learning | MIT | Udemy Coupons & PDF Books
20th ๐ฅ March 2025 Free Udemy Coupons New Coupons Added
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Forwarded from SQL Resources TP
Here are the SQL interview questions:
Basic SQL Questions
1.โ โ What is SQL, and what is its purpose?
2.โ โ Write a SQL query to retrieve all records from a table.
3.โ โ How do you select specific columns from a table?
4.โ โ What is the difference between WHERE and HAVING clauses?
5.โ โ How do you sort data in ascending/descending order?
SQL Query Questions
1.โ โ Write a SQL query to retrieve the top 10 records from a table based on a specific column.
2.โ โ How do you join two tables based on a common column?
3.โ โ Write a SQL query to retrieve data from multiple tables using subqueries.
4.โ โ How do you use aggregate functions (SUM, AVG, MAX, MIN)?
5.โ โ Write a SQL query to retrieve data from a table for a specific date range.
SQL Optimization Questions
1.โ โ How do you optimize SQL query performance?
2.โ โ What is indexing, and how does it improve query performance?
3.โ โ How do you avoid full table scans?
4.โ โ What is query caching, and how does it work?
5.โ โ How do you optimize SQL queries for large datasets?
SQL Joins and Subqueries
1.โ โ Explain the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN.
2.โ โ Write a SQL query to retrieve data from two tables using a subquery.
3.โ โ How do you use EXISTS and IN operators in SQL?
4.โ โ Write a SQL query to retrieve data from multiple tables using a self-join.
5.โ โ Explain the concept of correlated subqueries.
SQL Data Modeling
1.โ โ Explain the concept of normalization and denormalization.
2.โ โ How do you design a database schema for a given application?
3.โ โ What is data redundancy, and how do you avoid it?
4.โ โ Explain the concept of primary and foreign keys.
5.โ โ How do you handle data inconsistencies and anomalies?
SQL Advanced Questions
1.โ โ Explain the concept of window functions (ROW_NUMBER, RANK, etc.).
2.โ โ Write a SQL query to retrieve data using Common Table Expressions (CTEs).
3.โ โ How do you use dynamic SQL?
4.โ โ Explain the concept of stored procedures and functions.
5.โ โ Write a SQL query to retrieve data using pivot tables.
SQL Scenario-Based Questions
1.โ โ You have two tables, Orders and Customers. Write a SQL query to retrieve all orders for customers from a specific region.
2.โ โ You have a table with duplicate records. Write a SQL query to remove duplicates.
3.โ โ You have a table with missing values. Write a SQL query to replace missing values with a default value.
4.โ โ You have a table with data in an incorrect format. Write a SQL query to correct the format.
5.โ โ You have two tables with different data types for a common column. Write a SQL query to join the tables.
SQL Behavioral Questions
1.โ โ Can you explain a time when you optimized a slow-running SQL query?
2.โ โ How do you handle database errors and exceptions?
3.โ โ Can you describe a complex SQL query you wrote and why?
4.โ โ How do you stay up-to-date with new SQL features and best practices?
5.โ โ Can you walk me through your process for troubleshooting SQL issues?
Best Resources to learn SQL ๐
SQL Topics for Data Analysts (https://t.me/sqlresourcestp/83)
Learn & Practice SQL (https://bit.ly/4kNb15x)
SQL Udacity Course (https://udacity.com/course/sql-for-data-analysis--ud198)
Download SQL Cheatsheet (https://t.me/sqlresourcestp/4)
Also try to apply what you learn through hands-on projects or challenges.
ENJOY LEARNING ๐๐
More Resources Here
https://whatsapp.com/channel/0029VahGttK5a24AXAJDjm2R
Like this post if you need more ๐โค๏ธ
Hope it helps :)
Basic SQL Questions
1.โ โ What is SQL, and what is its purpose?
2.โ โ Write a SQL query to retrieve all records from a table.
3.โ โ How do you select specific columns from a table?
4.โ โ What is the difference between WHERE and HAVING clauses?
5.โ โ How do you sort data in ascending/descending order?
SQL Query Questions
1.โ โ Write a SQL query to retrieve the top 10 records from a table based on a specific column.
2.โ โ How do you join two tables based on a common column?
3.โ โ Write a SQL query to retrieve data from multiple tables using subqueries.
4.โ โ How do you use aggregate functions (SUM, AVG, MAX, MIN)?
5.โ โ Write a SQL query to retrieve data from a table for a specific date range.
SQL Optimization Questions
1.โ โ How do you optimize SQL query performance?
2.โ โ What is indexing, and how does it improve query performance?
3.โ โ How do you avoid full table scans?
4.โ โ What is query caching, and how does it work?
5.โ โ How do you optimize SQL queries for large datasets?
SQL Joins and Subqueries
1.โ โ Explain the difference between INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN.
2.โ โ Write a SQL query to retrieve data from two tables using a subquery.
3.โ โ How do you use EXISTS and IN operators in SQL?
4.โ โ Write a SQL query to retrieve data from multiple tables using a self-join.
5.โ โ Explain the concept of correlated subqueries.
SQL Data Modeling
1.โ โ Explain the concept of normalization and denormalization.
2.โ โ How do you design a database schema for a given application?
3.โ โ What is data redundancy, and how do you avoid it?
4.โ โ Explain the concept of primary and foreign keys.
5.โ โ How do you handle data inconsistencies and anomalies?
SQL Advanced Questions
1.โ โ Explain the concept of window functions (ROW_NUMBER, RANK, etc.).
2.โ โ Write a SQL query to retrieve data using Common Table Expressions (CTEs).
3.โ โ How do you use dynamic SQL?
4.โ โ Explain the concept of stored procedures and functions.
5.โ โ Write a SQL query to retrieve data using pivot tables.
SQL Scenario-Based Questions
1.โ โ You have two tables, Orders and Customers. Write a SQL query to retrieve all orders for customers from a specific region.
2.โ โ You have a table with duplicate records. Write a SQL query to remove duplicates.
3.โ โ You have a table with missing values. Write a SQL query to replace missing values with a default value.
4.โ โ You have a table with data in an incorrect format. Write a SQL query to correct the format.
5.โ โ You have two tables with different data types for a common column. Write a SQL query to join the tables.
SQL Behavioral Questions
1.โ โ Can you explain a time when you optimized a slow-running SQL query?
2.โ โ How do you handle database errors and exceptions?
3.โ โ Can you describe a complex SQL query you wrote and why?
4.โ โ How do you stay up-to-date with new SQL features and best practices?
5.โ โ Can you walk me through your process for troubleshooting SQL issues?
Best Resources to learn SQL ๐
SQL Topics for Data Analysts (https://t.me/sqlresourcestp/83)
Learn & Practice SQL (https://bit.ly/4kNb15x)
SQL Udacity Course (https://udacity.com/course/sql-for-data-analysis--ud198)
Download SQL Cheatsheet (https://t.me/sqlresourcestp/4)
Also try to apply what you learn through hands-on projects or challenges.
ENJOY LEARNING ๐๐
More Resources Here
https://whatsapp.com/channel/0029VahGttK5a24AXAJDjm2R
Like this post if you need more ๐โค๏ธ
Hope it helps :)
Telegram
SQL Resources TP
Complete SQL Topics for Data Analysts ๐๐
1. Introduction to SQL:
- Basic syntax and structure
- Understanding databases and tables
2. Querying Data:
- SELECT statement
- Filtering data using WHERE clause
- Sorting data with ORDER BY
3. Joins:โฆ
1. Introduction to SQL:
- Basic syntax and structure
- Understanding databases and tables
2. Querying Data:
- SELECT statement
- Filtering data using WHERE clause
- Sorting data with ORDER BY
3. Joins:โฆ
๐1
Forwarded from Web Development Resources TP
How to create Frontend development Portfolio
Forwarded from Web Development Resources TP
Free PHP Courses for Web Developer ๐จโ๐ป๐คฉ๐
1. Practical PHP: Master the Basics and Code Dynamic Websites
๐ https://www.udemy.com/course/code-dynamic-websites
2. Beginner PHP and MySQL Tutorial
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6. Free Udemy Courses Here
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Follow this WhatsApp Channel for More Resources
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1. Practical PHP: Master the Basics and Code Dynamic Websites
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2. Beginner PHP and MySQL Tutorial
๐ https://www.udemy.com/course/php-mysql-tutorial
3. PHP & MySQL course for absolute beginners | Become a PHP pro
๐ https://www.udemy.com/course/php-mysql-course-for-absolute-beginners
4. PHP For WordPress Development
๐ https://www.udemy.com/course/php-for-wordpress-development
5. PHP tutorial for beginners
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6. Free Udemy Courses Here
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๐ Password Attacks
Crack passwords and create wordlists.
John the Ripper (https://github.com/magnumripper/JohnTheRipper)
C
Linux/Windows/macOS
John the Ripper is a fast password cracker.
hashcat (https://github.com/hashcat/hashcat)
C
Linux/Windows/macOS
World's fastest and most advanced password recovery utility.
Hydra (https://github.com/vanhauser-thc/thc-hydra)
C
Linux/Windows/macOS
Parallelized login cracker which supports numerous protocols to attack.
Zero Trust Hackers (https://t.me/zerotrusthackers)
Tg
Linux/Windows/macOS/Mobile
Shares with you daily resources in the Cyber Security EcoSystem.
ophcrack (https://gitlab.com/objectifsecurite/ophcrack)
C++
Linux/Windows/macOS
Windows password cracker based on rainbow tables.
Ncrack (https://github.com/nmap/ncrack)
C
Linux/Windows/macOS
High-speed network authentication cracking tool.
WGen (https://github.com/agusmakmun/Python-Wordlist-Generator)
Python
Linux/Windows/macOS
Create awesome wordlists with Python.
SSH Auditor (https://github.com/ncsa/ssh-auditor)
Go
Linux/macOS
The best way to scan for weak ssh passwords on your network.
Top Hacker Tools: https://t.me/zerotrusthackers/47
SQL Injection Tools: https://t.me/zerotrusthackers/58
Cryptography Tools: https://t.me/zerotrusthackers/59
More Resources Here
https://whatsapp.com/channel/0029VaxVv551iUxRku094918
Crack passwords and create wordlists.
John the Ripper (https://github.com/magnumripper/JohnTheRipper)
C
Linux/Windows/macOS
John the Ripper is a fast password cracker.
hashcat (https://github.com/hashcat/hashcat)
C
Linux/Windows/macOS
World's fastest and most advanced password recovery utility.
Hydra (https://github.com/vanhauser-thc/thc-hydra)
C
Linux/Windows/macOS
Parallelized login cracker which supports numerous protocols to attack.
Zero Trust Hackers (https://t.me/zerotrusthackers)
Tg
Linux/Windows/macOS/Mobile
Shares with you daily resources in the Cyber Security EcoSystem.
ophcrack (https://gitlab.com/objectifsecurite/ophcrack)
C++
Linux/Windows/macOS
Windows password cracker based on rainbow tables.
Ncrack (https://github.com/nmap/ncrack)
C
Linux/Windows/macOS
High-speed network authentication cracking tool.
WGen (https://github.com/agusmakmun/Python-Wordlist-Generator)
Python
Linux/Windows/macOS
Create awesome wordlists with Python.
SSH Auditor (https://github.com/ncsa/ssh-auditor)
Go
Linux/macOS
The best way to scan for weak ssh passwords on your network.
Top Hacker Tools: https://t.me/zerotrusthackers/47
SQL Injection Tools: https://t.me/zerotrusthackers/58
Cryptography Tools: https://t.me/zerotrusthackers/59
More Resources Here
https://whatsapp.com/channel/0029VaxVv551iUxRku094918
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Introduction to Python Programming
https://www.udacity.com/course/introduction-to-python--ud1110
Intro to Java: Functional Programming
https://www.udacity.com/course/java-programming-basics--ud282
SQL for Data Analysis
https://www.udacity.com/course/sql-for-data-analysis--ud198
Intro to Data Analysis
https://www.udacity.com/course/intro-to-data-analysis--ud170
Developing Android Apps with Kotlin
https://www.udacity.com/course/developing-android-apps-with-kotlin--ud9012
Intro to JavaScript
https://www.udacity.com/course/intro-to-javascript--ud803
Intro to Machine Learning
https://www.udacity.com/course/intro-to-machine-learning--ud120
Free PHP Courses for Web Developer
https://t.me/webdevresourcestp/64
NVIDIA FREE AI Certification Courses
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CISCO Free Certification Courses
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ENJOY LEARNING ๐๐
Follow this WhatsApp Channel for More Resources
https://whatsapp.com/channel/0029VahGttK5a24AXAJDjm2R
Introduction to Python Programming
https://www.udacity.com/course/introduction-to-python--ud1110
Intro to Java: Functional Programming
https://www.udacity.com/course/java-programming-basics--ud282
SQL for Data Analysis
https://www.udacity.com/course/sql-for-data-analysis--ud198
Intro to Data Analysis
https://www.udacity.com/course/intro-to-data-analysis--ud170
Developing Android Apps with Kotlin
https://www.udacity.com/course/developing-android-apps-with-kotlin--ud9012
Intro to JavaScript
https://www.udacity.com/course/intro-to-javascript--ud803
Intro to Machine Learning
https://www.udacity.com/course/intro-to-machine-learning--ud120
Free PHP Courses for Web Developer
https://t.me/webdevresourcestp/64
NVIDIA FREE AI Certification Courses
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CISCO Free Certification Courses
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ENJOY LEARNING ๐๐
Follow this WhatsApp Channel for More Resources
https://whatsapp.com/channel/0029VahGttK5a24AXAJDjm2R
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1. HTML & CSS:- htmlcheatsheet.com
2. JavaScript :- https://lnkd.in/dfSvFuhM
3. Jquery - https://oscarotero.com/jquery/
4. Bootstrap 5:- https://lnkd.in/dNZ6qdBh
5. Tailwind CSS:- https://lnkd.in/d_T5q5Tx
6. React:- https://lnkd.in/de55QGBg
7. Python :- https://lnkd.in/dmZa39rE
8. MongoDB:- https://lnkd.in/dBXXCQ43
9. SQL:- https://lnkd.in/dEFY_jAk
10. Nodejs :- https://lnkd.in/dwry8BKH
11. Expressjs:- https://quickref.me/express
12. Django :- https://lnkd.in/dYWQKZnT
13. PHP- https://quickref.me/php
14. Google Dork:- https://lnkd.in/dKej3-42
15. Linux:- https://lnkd.in/dCgH_qUq
16. Git:- https://lnkd.in/djf9Wc98
7 Free Courses by Udacity: https://t.me/techpsyche/633
Free PHP Courses for Web Developer
https://t.me/webdevresourcestp/64
NVIDIA FREE AI Certification Courses
https://tinyurl.com/5hessh3t
Passive Income Ideas for Developers
https://t.me/techpsyche/596
CISCO Free Certification Courses
https://bit.ly/4i9Kc9Z
ENJOY LEARNING ๐๐
Follow this WhatsApp Channel for More Resources
https://whatsapp.com/channel/0029VahGttK5a24AXAJDjm2R
1. HTML & CSS:- htmlcheatsheet.com
2. JavaScript :- https://lnkd.in/dfSvFuhM
3. Jquery - https://oscarotero.com/jquery/
4. Bootstrap 5:- https://lnkd.in/dNZ6qdBh
5. Tailwind CSS:- https://lnkd.in/d_T5q5Tx
6. React:- https://lnkd.in/de55QGBg
7. Python :- https://lnkd.in/dmZa39rE
8. MongoDB:- https://lnkd.in/dBXXCQ43
9. SQL:- https://lnkd.in/dEFY_jAk
10. Nodejs :- https://lnkd.in/dwry8BKH
11. Expressjs:- https://quickref.me/express
12. Django :- https://lnkd.in/dYWQKZnT
13. PHP- https://quickref.me/php
14. Google Dork:- https://lnkd.in/dKej3-42
15. Linux:- https://lnkd.in/dCgH_qUq
16. Git:- https://lnkd.in/djf9Wc98
7 Free Courses by Udacity: https://t.me/techpsyche/633
Free PHP Courses for Web Developer
https://t.me/webdevresourcestp/64
NVIDIA FREE AI Certification Courses
https://tinyurl.com/5hessh3t
Passive Income Ideas for Developers
https://t.me/techpsyche/596
CISCO Free Certification Courses
https://bit.ly/4i9Kc9Z
ENJOY LEARNING ๐๐
Follow this WhatsApp Channel for More Resources
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๐1
Forwarded from Artificial Intelligence Resources TP . AI Tools . AI Updates
How AI Search Actually Works ๐