Thorsten Kettner

Thorsten Kettner has asked 3 questions and find answers to 147 problems.

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Thorsten Kettner questions

HashSet limit - how to proceed?
Insert into a query

Thorsten Kettner answers

Designing a key-value database
Best datatype to store a long number made of 0 and 1
Is there a hint to generate execution plan ignoring the existing one from shared pool?
Improving performance: Very Slow Oracle SQL Join
Check dates within same table
Format date where the position of the parts is variable
How to write mysql query, where i need to put order by before group by
In SQL, does the LIMIT returns the row which is inserted the last in chronological order?
How to make a query with FILTER clause run faster?
MySQL. How to make a selection by multiple columns