[ WebToolTip.com ] Udemy - Top 101 Data Engineering Interview Questions
[ WebToolTip.com ] Udemy - Top 101 Data Engineering Interview Questions metadata, size 1348.32 MB, 107 files, category video, indexed at 2026-07-24.
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文件数107
发掘时间（北京时间）2026-07-25 03:29:39
最后活跃（北京时间）2026-07-25 03:29:39
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文件列表
| 文件名 | 格式 | 大小 |
|---|---|---|
| Get Bonus Downloads Here.url | url | 180 B |
| 1 -How to use this course (Slides + Voiceover transcripts + Practice approach).mp4 | mp4 | 11.6 MB |
| 2 -Why interviews focus on problem-solving, not just theory.mp4 | mp4 | 23.6 MB |
| 1 -Round 1 SQL + Behavioral Mix.mp4 | mp4 | 4.0 MB |
| 2 -Round 2 Data Modeling + System Design.mp4 | mp4 | 5.0 MB |
| 3 -Round 3 Cloud + End-to-End Case Study.mp4 | mp4 | 38.7 MB |
| 1 -Q1. What is the difference between OLTP and OLAP systems.mp4 | mp4 | 8.5 MB |
| 10 -Q10. Explain the difference between DELETE, TRUNCATE, and DROP.mp4 | mp4 | 12.4 MB |
| 11 -Q11. What are ACID properties in databases, and why are they important.mp4 | mp4 | 12.6 MB |
| 12 -Q12. Explain the difference between WHERE vs HAVING clauses.mp4 | mp4 | 8.2 MB |
| 13 -Q13. What is a Stored Procedure vs a Function in SQL.mp4 | mp4 | 10.1 MB |
| 14 -Q14. What are Views in SQL, and when would you use them.mp4 | mp4 | 11.4 MB |
| 15 -Q15. Explain Aggregate Functions vs Analytic Functions.mp4 | mp4 | 14.1 MB |
| 16 -Q16. How do you handle NULL values in SQL queries.mp4 | mp4 | 11.7 MB |
| 17 -Q17. Explain the difference between INNER JOIN vs FULL OUTER JOIN with examples.mp4 | mp4 | 9.7 MB |
| 18 -Q18. What is a Self Join and when is it useful.mp4 | mp4 | 1.4 MB |
| 19 -Q19. Second highest salary from an Employee table.mp4 | mp4 | 14.4 MB |
| 2 -Q2. Explain INNER JOIN vs LEFT JOIN with examples.mp4 | mp4 | 6.0 MB |
| 20 -Q20. concept of Transactions and how to implement them in SQL.mp4 | mp4 | 12.0 MB |
| 3 -Q3. What are Window Functions in SQL and why are they useful.mp4 | mp4 | 7.4 MB |
| 4 -Q4. How would you optimize a slow SQL query.mp4 | mp4 | 12.0 MB |
| 5 -Q5. Explain Primary Key, Foreign Key, and Unique Key differences.mp4 | mp4 | 8.3 MB |
| 6 -Q6. (CTE) and how is it different from a Subquery.mp4 | mp4 | 9.9 MB |
| 7 -Q7. Explain UNION vs UNION ALL with examples.mp4 | mp4 | 7.5 MB |
| 8 -Q8. What is the difference between Normalization and Denormalization.mp4 | mp4 | 10.6 MB |
| 9 -Q9. What are Indexes in SQL and what types exist (Clustered vs Non-Clustered).mp4 | mp4 | 15.1 MB |
| 1 -Q1. What is the difference between Data Warehouse, Data Lake, and Data Lakehouse.mp4 | mp4 | 16.3 MB |
| 10 -Q10. How do you design a surrogate key vs natural key in a warehouse.mp4 | mp4 | 11.2 MB |
| 11 -Q11. What are Orchestration tools (Airflow, ADF, Glue) and how do they differ.mp4 | mp4 | 11.2 MB |
| 12 -Q12. How do you handle late arriving dimensions in ETL.mp4 | mp4 | 13.6 MB |
| 14 -Q14. How do you handle CDC (Change Data Capture) in ETL pipelines.mp4 | mp4 | 12.8 MB |
| 15 -Q15. What are some common ETL performance optimization techniques.mp4 | mp4 | 14.5 MB |
| 2 -Q2. Explain Star Schema vs Snowflake Schema with examples.mp4 | mp4 | 11.2 MB |
| 3 -Q3. What are Fact Tables and Dimension Tables Give real-world examples.mp4 | mp4 | 10.0 MB |
| 4 -Q4. What are Slowly Changing Dimensions (SCDs) Explain different types (Type 1,.mp4 | mp4 | 16.6 MB |
| 5 -Q5. What is the difference between ETL and ELT processes.mp4 | mp4 | 15.0 MB |
| 6 -Q6. How do you handle schema changes in ETL pipelines.mp4 | mp4 | 19.6 MB |
| 7 -Q7. What are Incremental Load vs Full Load strategies in data pipelines.mp4 | mp4 | 8.5 MB |
| 8 -Q8. What are Data Quality checks in ETL, and why are they important.mp4 | mp4 | 16.1 MB |
| 9 -Q9. What is Data Partitioning and how does it help performance in DWH.mp4 | mp4 | 16.6 MB |
| 1 -Q1. What is the difference between (HDFS) and traditional file systems.mp4 | mp4 | 14.1 MB |
| 10 -Q10. How does Checkpointing and Caching work in Spark, and why are they importan.mp4 | mp4 | 13.4 MB |
| 11 -Q11. What is the difference between Batch Processing and Stream Processing.mp4 | mp4 | 10.4 MB |
| 12 -Q12. Explain Spark Structured Streaming and how it handles real-time data.mp4 | mp4 | 24.6 MB |
| 13 -Q13. What are Partitions in Spark, and how do they affect performance.mp4 | mp4 | 12.7 MB |
| 14 -Q14. What are some common Spark optimization techniques.mp4 | mp4 | 11.7 MB |
| 15 -How do you handle schema evolution and semi-structured data (JSON, Avro).mp4 | mp4 | 13.7 MB |
| 2 -Q2. Explain MapReduce and why it was important in the Hadoop ecosystem.mp4 | mp4 | 19.9 MB |
| 3 -Q3. What are the differences between RDD, DF, and Dataset in Apache Spark.mp4 | mp4 | 14.2 MB |
| 4 -Q4. Explain lazy evaluation in Spark and why it’s useful.mp4 | mp4 | 12.9 MB |
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