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Rating Stats for

Vladimir Baranov

Rating
1644.24 (651st)

Reputation
23,342 (5,590th)

Page: 1 ... 12 13 14 15

Title	Δ
SQL How to group by two columns	-2.82
How do i Count based on multiple Conditions	0.00
How to write a "recursive update"?	+3.14
Recursively Linking Records in SQL	-2.62
How can I prevent a function from being called twice in Select stat...	+3.24
postgres performance issue with nested sql sub-queries	+2.12
How to find the date of the first day of the current week	+1.56
remove duplicates from almost similar records in SQL	+3.20
Selecting first value of every minute in table	+1.03
How to match groups of rows taking order into account in TSQL?	+3.28
Upsert on a range	0.00
Run a SQL subquery based on results of the main query	0.00
SQL query, How can I find the pair of friends who have the most com...	+2.90
LEFT JOIN selecting conditions	+3.50
Applying shifts in SQL	+3.21
Pending Monthly SQL Counts	+3.61
PostgreSQL - insert rows based on select from another table, and up...	+3.63
Select top x of each id	+1.63
where condition have a declared variable on a wrong place do not kn...	0.00
How can I improve the speed of this SQL query?	+3.59
UNION of tables with different columns without specifying them, or...	+4.19
Get related rows from SQL Server	0.00
Number of units per hour per day	+0.32
Find record with relationship between two rows	+3.70
How to Insert auto-generated identity value as part of a hierarchyi...	0.00
T-SQL Query - How to not include some results from different row	+2.17
How can I avoid a timestamp insert error when copying data from one...	+3.66
How to make row numbering with ordering, partitioning and grouping	+3.78
How to create a smart key, which would reset its auto increment val...	+1.76
Group by with text and date time combination	0.00
how to loop thru a table to find data set?	-0.07
Sort the tables in the order of FK references?	-0.00
SQL query performance using CTE vs WHILE loop in very large table	+2.05
Rollback Transaction when concurrency check fails	-0.14
Sql server 2012:error Invalid Column Name while the table having th...	0.00
To find those values in column whose values are near by to 10,20,30...	0.00
How to implement relational equivalent of the DIVIDE operation in S...	+0.01
Sampling from a bigger table in t sql	0.00
Foreign-Key constraint depending on category	0.00
Remove Rows That Sum Zero For A Given Key	+2.64
Finding Time overlaps for two differen timlines	0.00
TDS[Tabular Data stream protocol] int type	0.00
Generating shift pattern in SQL	+0.06
Does the number of fields in a table affect performance even if not...	+0.16
Dynamic SQL Result INTO Temporary Table	-0.29
Sql ranking groups based on a values in a field	-3.77
Insert sorted data to a table with nonclustered index	+0.03
Attempting to update duplicate fields to null where date is min and...	-2.07
Concatenate more than two tables horizontally in SQL Server	+4.48
Linear Regression analysis for Date column in SQL Server	0.00