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Andriy M

My about me is no longer blank.

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  • Member for 9 years, 2 months
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Top posts (380)

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44 Why can't I use a CASE statement to see if a column exists and not SELECT from it? Jun 6 '14
37 Best way to write SQL Query that checks a column for non-NULL value or NULL Jul 23 '15
27 Counting rows from a subquery Mar 25 '16
24 How to limit maximum number of rows in a table to just 1 Jun 21 '16
20 Select multiple values in LIKE Operator Apr 10 '17
18 Find “n” consecutive free numbers from table Mar 18 '13
17 How to get count for different columns on same table Feb 7 '17
15 Query detailing differences between rows for a large amount of data May 31 '17
15 How to improve perfomance or Query Execution Time in MySQL? Jul 28 '15
15 Invert a Boolean expression which can return UNKNOWN Mar 21 '16
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