David דודו Markovitz

David דודו Markovitz has asked 4 questions and find answers to 134 problems.

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David דודו Markovitz questions

SQL Challenge/Puzzle: Given a stack trace - How to find the top element at each point in time?
SQL Challenge/Puzzle: How to merge nested ranges?
How to list tables in their dependency order (based on foreign keys)?

David דודו Markovitz answers

how to achieve HiveQL error handling
Oracle SQL, is it possible to use a user-defined datatype property in a nested select?
Convert disk size from megabytes to gigabytes in KQL query
Impala SQL: Merging rows with overlapping dates. WHERE EXISTS and recursive CTE not supported
How to get length of complex datatype column in hive
Format Phone Number in a Table in Oracle
How to find the index of an element within JSON array (PostgreSQL 9.3)?
Kusto - how to ingest from query using management (.show) function
Whas is the difference between the `has` and `contains` operators in KQL?
Is there a way to detect a cycle in Hierarchical Queries in SQL Server?