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Olga Romantsova

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1539.06 (12,277th) 		Reputation
1,086 (144,437th)
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Join three tables but one two with the same column +0.95
SQL query sum column till a row condition met and continue sum column -3.48
select all rows based on max(cases) and min(date) +0.69
Update Record from Previous Row -0.42
How do I find the differences between two tables with the same colu... -0.45
SQL Server 2008 R2 split one row of results into two rows +1.39
SQL request from 2 different databases with same structure 0.00
How to concatenate rows when using with groupby based on a pattern... +4.32
Showing results of one column into two columns +0.34
my request contains a parenthesis error, however no +3.84
How can I build a string in SQL with various fields depending on va... +3.87
How to to find all matching rows in 2 columns in SQL? +4.48
Get name after and before certain character in SQL Server -3.53
How to add zero to nvarchar in base to id len -3.74
Cannot resolve the collation conflict in Update query +0.84
I am looking for way to use a value from sub query -1.66
Insert update data help in SQL Server +3.83
Displaying lines with diffent values -3.12
SQL- Find the price of the smallest product in a store +0.42
Convert decimal to date format SQL +1.55
Error converting data type varchar to float in assigned column -0.18
How to join after groupby in oracle sql +4.18
Left Join - attempting to identify instances where child records do... -2.52
how do i select the row with the largest day in SQL -1.63
t-sql to summarize range of dates from flat list of dates, grouped... +4.86
Database collation error in SQL Server Management Studio 0.00
Select based on max date from another table +2.49
SQL to allocate rows from one table to another +2.47
SQL to allocate rows from one table to another -3.53
Converting a SQL SELECT query into a DELETE query +4.48
Converting a SQL SELECT query into a DELETE query -3.52
Easiest way to import excel dataset into preexisting SQL table? 0.00