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Akina
  • Zelenograd, Moscow, Russia
  • Member for 3 years, 5 months
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About

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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14 How to delete duplicate records in MySQL, in a table without IDs? Aug 15 '18
11 Is possible to reuse a already calculatesd column into a query in MySQL? Aug 15 '18
10 GROUP BY needs ORDER BY NULL to avoid filesort May 29 '18
10 How to update Column related to Row Number Feb 1 '19
9 Sqlite: Finding the next or previous element in a table consisting of integer tuples Dec 9 '20
6 MySQL set column value if another column's new value is different than current one Jun 7 '18
6 PostgreSQL; Update different column on condition using CASE statement Jul 23 '18
6 How to get last and first occurrence of items into separated columns? Aug 14 '18
6 How to UPDATE from JOIN with GROUP BY Sep 28 '18
6 MSSQL: Generate a 8 digit serial/Barcode number from a prefix number Jun 6 '19
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