Identify consecutive numbers in a column (at least 3 consecutive).
SQLeasy
2
If manual partitions are created in a Hive data-warehouse table directory, and you query records from those partitions, will you see the data? If not, how can this be fixed?
SQLmedium
3
Implement a CASE WHEN condition - medium difficulty
SQLmedium
4
In Python, process a large CSV in chunks and remove duplicate records based on email and timestamp.
SQLhard
5
Indexing - True/False question on indexes and query optimization
SQLhard
6
Indexing – Types and Benefits?
SQLmedium
7
Indexing: When to Use and Avoid
SQLmedium
8
Integration of Snowflake with external data sources such as S3, GCS, and Blob Storage?
SQLmedium
+20 More Questions with Expert Answers
Get the complete 1,800+ question library with detailed, expert-level answers covering SQL, Spark, System Design, Python, Cloud, and Behavioral topics.