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kjo

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 6 years, 6 months
  • 5 profile views
  • Last seen Aug 30 '19 at 2:29

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5 How to enforce the structural constraints of rectangularly arrayed data? Aug 22 '14
3 Enforcing a “disjoint or identical” constraint Jun 15 '19
3 How to enforce an “exactly-one-per-group” constraint? Jan 28 '15
2 How to include in the result of a `SELECT … GROUP BY …` all the other columns that are functionally dependent on the grouping ones? Sep 16 '14
2 On modeling pairs with a possibly empty second element Dec 8 '14
2 Enforcing a “disjoint or identical” constraint Jun 15 '19
1 Equivalent in SQL*Plus of sqlite3's “line mode” Aug 29 '19
1 How to optimize search restricted by boolean column? Jan 29 '15
0 On checking the validity of a large set of identifiers Nov 21 '15
0 Enforcing “one-to-one-or-more” vs. “one-to-zero-or-more” Jun 14 '19

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