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Andriy M

My about me is no longer blank.

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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
36 Best way to write SQL Query that checks a column for non-NULL value or NULL Jul 23 '15
24 How to limit maximum number of rows in a table to just 1 Jun 21 '16
19 Counting rows from a subquery Mar 25 '16
17 Find “n” consecutive free numbers from table Mar 18 '13
16 How to get count for different columns on same table Feb 7 '17
16 Select multiple values in LIKE Operator Apr 10 '17
15 Generate permutations and combination for name column May 8 '19
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
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