📊 𝗠𝗮𝘀𝘁𝗲𝗿 𝗘𝘅𝗰𝗲𝗹 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘 | 𝟱 𝗣𝗼𝘄𝗲𝗿𝗳𝘂𝗹 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 🚀

🔥 Top 5 FREE Excel Courses:

1️⃣ Goldman Sachs – Excel Skills for Business
2️⃣ PwC – Problem Solving with Excel
3️⃣ Corporate Finance Institute – Excel Fundamentals
4️⃣ Great Learning – Excel for Beginners
5️⃣ Simplilearn – Introduction to MS Excel

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🚀 Learn Excel for FREE and upgrade your career skills!

🔥 SQL Interview Question of the Day

📌 Scenario:

A university wants to find students who have never enrolled in any course.

You have two tables:

students

• student_id
• student_name

enrollments

• enrollment_id
• student_id
• course_id

🎯 Task:

Find all students who have never enrolled in any course.

☑ Solution:

SELECT
s.student_id,
s.student_name
FROM students s
LEFT JOIN enrollments e
ON s.student_id = e.student_id
WHERE e.student_id IS NULL;

💡 Concept Tested:

LEFT JOIN + NULL Filtering (Finding Missing Records)

❤️ React if you want more SQL interview questions.

🚀 𝗟𝗲𝘃𝗲𝗹 𝗨𝗽 𝗬𝗼𝘂𝗿 𝗖𝗮𝗿𝗲𝗲𝗿 𝘄𝗶𝘁𝗵 𝗙𝗥𝗘𝗘 𝗠𝗶𝗰𝗿𝗼𝘀𝗼𝗳𝘁 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴! 💻

Microsoft-focused learning paths can help you strengthen your resume and prepare for in-demand tech and data roles.

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💫Perfect for students, freshers, data analysts and professionals looking to upgrade their skills.

🔥 SQL Interview Question of the Day

📌 Scenario:

A company wants to find the highest-paid employee in each department.

You have one table:

employees

• employee_id • employee_name • department • salary

☑ Solution:

SELECT
employee_id,
employee_name,
department,
salary
FROM (
SELECT
*,
DENSE_RANK() OVER (
PARTITION BY department
ORDER BY salary DESC
) AS salary_rank
FROM employees
) e
WHERE salary_rank = 1;

💡 Concept Tested:

Window Functions + DENSE_RANK() (Finding Top Records Within Groups)

❤️ React if you want more SQL interview questions.

🎓 𝗧𝗼𝗽 𝗖𝗼𝗺𝗽𝗮𝗻𝗶𝗲𝘀 𝗢𝗳𝗳𝗲𝗿𝗶𝗻𝗴 𝗙𝗥𝗘𝗘 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 🚀

Learn in-demand skills • Add valuable credentials to your resume

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💻 Infosys :- https://pdlink.in/4eBH3Aa

⚡ IBM :- https://pdlink.in/45KgqDR

💫 Amazon :- https://pdlink.in/47XuBGz

🌐 Cisco :- https://pdlink.in/4gaeVVV

🪟 Microsoft :- https://pdlink.in/4zhGTX6

📢 Save & share this with your friends — start upskilling for FREE!

💡 Excel Tips & Tricks 🧠📊

Part 4 — Tips Every Excel User Should Know

🔹 Tip 31: Use "Ctrl + D" to Fill Down
Select the formula or value along with the cells below → Press "Ctrl + D".
📌 Quickly copies the top cell down without dragging.

🔹 Tip 32: Use "Ctrl + R" to Fill Right
Select the range → Press "Ctrl + R".
📌 Copies the leftmost cell across the selected columns.

🔹 Tip 33: Quickly Insert or Delete Rows and Columns
Select a row or column → Press:
"Ctrl + +" → Insert
"Ctrl + -" → Delete
📌 Much faster than using the right-click menu.

🔹 Tip 34: Use "Ctrl + Arrow Keys" to Navigate Large Datasets
Press "Ctrl + ↓", "Ctrl + ↑", "Ctrl + →", or "Ctrl + ←".
📌 Jump quickly to the edge of a data region.

🔹 Tip 35: Use "Ctrl + Shift + Arrow Keys" to Select Data
Press "Ctrl + Shift + ↓" to select data downward.
📌 Useful when working with thousands of rows.

🔹 Tip 36: Use "F4" to Repeat Your Last Action
After performing an action, press "F4" to repeat it where applicable.
📌 Helpful when applying the same formatting or operation repeatedly.

🔹 Tip 37: Use "Ctrl + Page Up/Down" to Switch Worksheets
"Ctrl + Page Up" → Previous sheet
"Ctrl + Page Down" → Next sheet
📌 Switch between worksheets without using the mouse.

🔹 Tip 38: Use "Ctrl + F" to Find Data Quickly
Press "Ctrl + F" and enter the value you're looking for.
📌 Much faster than manually scanning large datasets.

🔹 Tip 39: Use "Ctrl + H" to Replace Data
Press "Ctrl + H" → Enter the old value → Enter the replacement → Replace All.
📌 Useful for correcting repeated errors or standardizing data.

🔹 Tip 40: Double-Click the Format Painter
Double-click Format Painter to keep it active.
📌 You can apply the same formatting to multiple locations without repeatedly selecting the tool.

💬 Double Tap ♥️ For More Excel Tips!

🚀 𝗗𝗿𝗲𝗮𝗺𝗶𝗻𝗴 𝗼𝗳 𝗪𝗼𝗿𝗸𝗶𝗻𝗴 𝗮𝘁 𝗧𝗼𝗽 𝗧𝗲𝗰𝗵 𝗖𝗼𝗺𝗽𝗮𝗻𝗶𝗲𝘀? 💻🔥

Here’s a collection of company-specific resources to help you understand their interview and hiring processes.

🎯 Interview Preparation Guides For:

🟠 Amazon – Interviewing Guide
🔵 Google – Interview Tips
🪟 Microsoft – Hiring & Interview Tips
🟢 NVIDIA – Hiring Process
🔷 Meta – Software Engineering Interview Prep

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🔥 𝗠𝗮𝘀𝘁𝗲𝗿 𝗦𝗤𝗟 𝗳𝗼𝗿 𝗙𝗥𝗘𝗘 — 𝗙𝗿𝗼𝗺 𝗕𝗲𝗴𝗶𝗻𝗻𝗲𝗿 𝘁𝗼 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱! 💻📊

These free learning resources cover everything from database fundamentals to advanced SQL queries, with opportunities to practice real-world problems.

🎯 Top FREE SQL Resources:
1️⃣ Introduction to Databases & SQL — Udemy
2️⃣ Advanced Database & SQL — Udemy
3️⃣ Learn SQL — Codecademy
4️⃣ SQL Tutorial — SQLZoo

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🚀 Start from the basics and work your way toward advanced SQL skills!

𝗣𝗮𝘆 𝗔𝗳𝘁𝗲𝗿 𝗣𝗹𝗮𝗰𝗲𝗺𝗲𝗻𝘁 — 𝗚𝗲𝘁 𝗣𝗹𝗮𝗰𝗲𝗱 𝗜𝗻 𝗧𝗼𝗽 𝗧𝗲𝗰𝗵 𝗖𝗼𝗺𝗽𝗮𝗻𝗶𝗲𝘀😍

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⚡ Take the first step toward your dream tech career today!

🚀 𝗙𝗥𝗘𝗘 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝘂𝗿𝘀𝗲 𝗢𝗻 𝗔𝘇𝘂𝗿𝗲 𝗠𝗮𝗰𝗵𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 ☁️

✨ Build practical skills in Cloud AI • Machine Learning • Data Preparation • ML Workflows • Azure Data Services.

🔥 Learn → Practice → Build Projects → Strengthen Your Tech Career

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🎓 Perfect for Students • Freshers • Data Science Aspirants • AI/ML Learners • Working Professionals

🚀 𝗠𝗮𝘀𝘁𝗲𝗿 𝗜𝗻-𝗗𝗲𝗺𝗮𝗻𝗱 𝗧𝗲𝗰𝗵 𝗦𝗸𝗶𝗹𝗹𝘀 𝗳𝗼𝗿 𝗙𝗥𝗘𝗘 𝗶𝗻 𝟮𝟬𝟮𝟲 🔥

Want to upgrade your tech skills without spending money?

Here are some excellent FREE YouTube resources to learn high-demand technologies through tutorials and hands-on practice.

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🎯 Perfect for Students • Freshers • Job Seekers • Working Professionals

🔥 SQL Interview Question of the Day

📌 Scenario:

A food delivery company wants to find the average delivery time taken by each city.

You have one table:

deliveries

• delivery_id
• customer_id
• city
• order_time
• delivery_time

☑ Solution:

SELECT
city,
AVG(
TIMESTAMPDIFF(MINUTE, order_time, delivery_time)
) AS avg_delivery_time
FROM deliveries
GROUP BY city
ORDER BY avg_delivery_time;

💡 Concept Tested:

GROUP BY + Date Time Functions + Aggregate Functions

(Calculating Performance Metrics From Time-Based Data)

❤️ React if you want more SQL interview questions.