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Andriy M
  • Member for 10 years, 2 months
  • Last seen this week
  • Ukraine
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Top posts
View all questions and answers
All Questions Answers
Score Newest
answer
46
Why can't I use a CASE statement to see if a column exists and not SELECT from it?
Jun 6, 2014
answer
37
Best way to write SQL Query that checks a column for non-NULL value or NULL
Jul 23, 2015
answer
34
Counting rows from a subquery
Mar 25, 2016
answer
25
Improper use of logical operators has led to poor query performance
Oct 24, 2021
answer
24
How to limit maximum number of rows in a table to just 1
Jun 21, 2016
answer
24
Select multiple values in LIKE Operator
Apr 10, 2017
answer
20
Find "n" consecutive free numbers from table
Mar 18, 2013
answer
18
How to get count for different columns on same table
Feb 7, 2017
answer
16
Invert a Boolean expression which can return UNKNOWN
Mar 21, 2016
answer
15
How to improve perfomance or Query Execution Time in MySQL?
Jul 28, 2015
Top Meta posts
2
21
19
Should MySql be tagged as 'oracle'?
17
Rename [ssms] → [sql-server-management-studio]
14
If an answer has more upvotes than my chosen answer should I change my chosen answer for the sake of readers in the future?
13
Disclosures, every post/comment or is profile enough?
13
How to rate someone who answered my query?
Top network posts
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530
What is the Windows equivalent of the diff command?
269
MySQL Query GROUP BY day / month / year
259
The multi-part identifier could not be bound
178
How to change current working directory using a batch file
172
The SQL OVER() clause - when and why is it useful?

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