Thorsten Kettner

Thorsten Kettner has asked 3 questions and find answers to 143 problems.

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Thorsten Kettner questions

HashSet limit - how to proceed?
Insert into a query

Thorsten Kettner answers

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
Understanding Order of ON Clause in Self-Joins (SQL)
get the most two recent dates for each customer
SQL query too complicated for me
How to check a condition against all the columns of a table?