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Akina

I'm network administrator, not a programmer or DBA. Programming (including SQL one) is my hobby only. It keeps my brain from "drying up".

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  • Zelenograd, Moscow, Russia
  • Member for 1 year, 9 months
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  • Last seen 15 mins ago

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Top posts (588) All Questions Answers | Votes Newest

12 How to delete duplicate records in MySQL, in a table without IDs? Aug 15 '18
6 MySQL set column value if another column's new value is different than current one Jun 7 '18
6 MSSQL: Generate a 8 digit serial/Barcode number from a prefix number Jun 6 '19
5 Get ids only where one id is null and other isn't Jul 11 '19
5 Understanding NOT EXISTS Dec 24 '19
5 MySQL Query Failed: Expression #6 of SELECT list is not in GROUP BY clause and contains non aggregated column fixed bug reappear every restart Jul 4 '18
5 GROUP BY needs ORDER BY NULL to avoid filesort May 29 '18
5 How to get last and first occurrence of items into separated columns? Aug 14 '18
4 Merge Multiple Selects in one request Dec 5 '19
4 remove leading and trailing quotes Aug 7 '19
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