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Sergey Menshov

Rating
1530.72 (17,921st) 		Reputation
3,054 (55,396th)
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Title Δ
Rank or running count on new value? -1.96
RegEx for replacing the tag elements in HTML for SQL Server +1.33
Using ISNULL function with LEAD function: having trouble -1.65
How to use a declare statement to update a table 0.00
How to get a list of all updated records in knex using Raw / SQL Se... 0.00
How to count few category (not count row) using SQL Server -0.08
Reverse column values after grouping 0.00
ADD Constraints in value of column based on another value in other... 0.00
SQL Join with 2 conditions same column but different data names 0.00
How to insert date in SQL Server from any format to datetime format? 0.00
Finding closest value before current time in a SQL Server stored pr... 0.00
how to remove duplicates from coalesce 0.00
Subqueries and Combining Queries together 0.00
Postgresql data validation checks based on table values -0.04
Extract a String with T-SQL -0.23
SQL Server return JSON array of ids for rows that match 0.00
How do I optimize this UNION query? +0.38
Splitting string based with a delimiter 0.00
SQL: Update and Insert with condition 0.00
Sigle-column or multi-column index(-es)? 0.00
Constrain a database table entry based on data in another table -0.03
How to create a Conditional foreign key in PostgreSQL? 0.00
select rows with events related with another events in the same que... +0.45
Use same DateTime for entire select statement 0.00
Convert YYYYMM string to date YYYY-MM-DD with day 1 +2.13
Combining two SQL queries that return different number of rows 0.00
Combining two SQL queries that return different number of rows 0.00
Split a range of numbers in equal parts SQL Sever +2.21
Add unique rows for each group when similar group repeats after cer... 0.00
Find the start and end date of stock difference -1.41
How to query columns for each entry value -0.08
Counting Process Repetitions in SQL using Partitioning +0.13
How to create a column null or not-null dependent on the value of a... +2.00
How to create a column null or not-null dependent on the value of a... -2.00
Remove the Elements which in another string -0.04
Get Identity of destination table when using **DELETE FROM ... OUTP... -2.00
Get Identity of destination table when using **DELETE FROM ... OUTP... +2.00
Sum until threshold value reached and then reset the counter -1.91
How to convert round number to data and time format +1.14
Find Repeating word in a sql table entry -1.48
SQL concat integers and group them with from to +2.29
Insert or update the data when the rows are matched or not SQL Server 0.00
All possible combinations of letters +2.30
Result Join multiple columns from common ID +0.87
SQL Server - Get data from two tables and within a table +1.03
Trying to insert data where not exists throwing: #1242 - Subquery r... 0.00
Get child accounts 0.00
Update random rows based on condition +0.29
NULLS in select subqueries +1.84
how to inner join the third column that need to use the function of... 0.00