12 Aug 2026, 11:27 UTC323 views3 reactionsread 12 August 2026 🔥 SQL Interview Concept You MUST Know: CASE WHEN
CASE WHEN is one of the most commonly used SQL concepts for creating conditional logic inside your queries.
It lets you categorize, transform, and analyze data without modifying the original table.
📌 Key points:
🔹 CASE WHEN → Adds IF-ELSE logic to SQL
🔹 Creates custom categories based on conditions
🔹 Works with SELECT, ORDER BY, GROUP BY, and aggregates
🔹 Makes rep…
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11 Aug 2026, 15:23 UTC554 views1 reactionsread 12 August 2026 Photo
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11 Aug 2026, 11:19 UTC536 views1 reactionsread 12 August 2026 ✅ Excel Scenario-Based Questions for Interview & Practice 🧠📊
📌 Scenario 61
Question: You have sales data for multiple products and want to calculate the average sales only for products belonging to the "Electronics" category. How would you do it?
Answer: Use AVERAGEIF().
Example:
=AVERAGEIF(A:A,"Electronics",B:B)
This calculates the average sales for the Electronics category.
📊 Scenario 62
Question: Your manager wa…
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11 Aug 2026, 06:54 UTC496 viewsread 12 August 2026 Photo
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10 Aug 2026, 20:55 UTC547 views2 reactionsread 12 August 2026 🚀 PowerBI Interview Questions Recently Asked at an MNC:
1️⃣ What are the limitations of using Direct Query connection mode reports?
Direct Query connects your Power BI report directly to the live data source, but it comes with some limitations. Here’s a simplified explanation:
➡️ Slower Performance
Every report interaction sends a query to the data source, causing delays.
Example: Imagine asking a librarian for ev…
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10 Aug 2026, 13:45 UTC573 viewsread 12 August 2026 Photo
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10 Aug 2026, 08:47 UTC590 views3 reactionsread 12 August 2026 𝗘𝘅𝗰𝗲𝗹 𝗤𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀🖥
1. 𝗪𝗵𝗮𝘁 𝗶𝘀 𝗠𝗶𝗰𝗿𝗼𝘀𝗼𝗳𝘁 𝗘𝘅𝗰𝗲𝗹, 𝗮𝗻𝗱 𝘄𝗵𝗮𝘁 𝗮𝗿𝗲 𝗶𝘁𝘀 𝗽𝗿𝗶𝗺𝗮𝗿𝘆 𝘂𝘀𝗲𝘀? 𝗛𝗼𝘄 𝗱𝗼 𝘆𝗼𝘂 𝗳𝗿𝗲𝗲𝘇𝗲 𝗽𝗮𝗻𝗲𝘀 𝗶𝗻 𝗘𝘅𝗰𝗲𝗹?
𝗠𝗶𝗰𝗿𝗼𝘀𝗼𝗳𝘁 𝗘𝘅𝗰𝗲𝗹 is a widely used spreadsheet program for calculations, data analysis, visualization, and automation via formulas and macros. To 𝗳𝗿𝗲𝗲𝘇𝗲 𝗽𝗮𝗻𝗲𝘀, go to the "View" tab and choose “Freeze Panes” to lock top rows or leftmost columns for easier viewing.
2. 𝗘𝘅𝗽𝗹𝗮𝗶𝗻 𝘁𝗵𝗲 𝗱𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝗰𝗲 𝗯𝗲𝘁𝘄𝗲𝗲𝗻 𝗮 𝘄𝗼𝗿𝗸𝗯𝗼𝗼𝗸 …
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10 Aug 2026, 05:05 UTC574 viewsread 12 August 2026 Photo
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9 Aug 2026, 06:38 UTC697 views1 reactionsread 12 August 2026 Photo
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8 Aug 2026, 21:09 UTC702 views1 reactionsread 12 August 2026 ✅ Excel Scenario-Based Questions for Interview & Practice 🧠📊
📌 Scenario 51
Question: You have sales data by employee and need to calculate the total sales for each employee. How would you do it?
Answer: Use a Pivot Table.
Select the dataset → Insert → PivotTable → Drag Employee Name to Rows → Drag Sales to Values.
📊 Scenario 52
Question: You need to extract the first 5 characters from an Order ID. How would you do …
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8 Aug 2026, 09:12 UTC744 views0 reactionsread 12 August 2026 Photo
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7 Aug 2026, 11:12 UTC871 views1 reactionsread 12 August 2026 Photo
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