David דודו Markovitz

David דודו Markovitz has asked 4 questions and find answers to 145 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

T-SQL windowing functions - counting the gaps
Inserting into table a number of rows that equal the number of open rows if there are more than 15 of them
how to decrease the number of mapper in hive while the file is bigger than block size?
How to list HDFS location of all the partitions in a hive table?
SQL Server 2008 R2 - Recursive SQL - Is this possible?
Sql find only one hashtag not two
hive - how to set parquet/ORC as default output format
How to split the words in oracle using regexp_substr?
Creating a HIVE table that filters data from a .csv in HDFS based on the value in a column
Hive - double precision