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valex

valex has asked 0 questions and find answers to 124 problems.

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MS SQL, Oracle, C#, Delphi, ... developer. Currently working on BigData stack: Hadoop, Spark, ...

Some of my favorite answers:

Fastest way to PostgreSQL Distinct and Format

How to improve data insert/update performance?

Infinite loop in CTE when parsing self-referencing table

sql server : select rows who's sum matches a value

How to concatenate CommaSeperator in sqlserver


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