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Rating Stats for

Vladimir Baranov

Rating
1644.24 (651st)

Reputation
23,342 (5,590th)

Page: 1 ... 8 9 10 11 12 ... 15

Title	Δ
SQL: Efficiently finding minimum data points within separate subran...	0.00
How do i calculate minimum and maximum for groups in a sequence in...	+0.35
How to force MERGE statement with DELETE to use index seek?	-0.63
Get Birthdates of employees for a period of +-30 days	-0.14
Combining two queries to add additional column	0.00
Sorting on ID (int PK) vs creation time	-0.79
select rows where ID has variation of values	-0.95
Replace varchar length with a constant macro	0.00
Is Order Guaranteed When Inserting Multiple Rows with Identity?	+1.24
Pipes and filters at DBMS-level: Splitting the MERGE output stream	+1.00
TSQL 'lag' analytic function - unexpectedly poor performance	+0.37
Using Excel like solver in Python or SQL	+0.58
How to optimise a SQL query to check for consistency of column valu...	+0.38
SQL Index Space Does Not Decrease After Deleting Data From Table	+0.35
How to Join tables to assign one record to multiple records in a &q...	0.00
How to get three wins in a row	-0.73
Minor inconsistency while calculating distance between two points	0.00
Running sum for subgroups of records in SQL Server	0.00
Best strategy for gigantic SQL Server bulk Insert - high-frequency...	0.00
How to use DISTINCT key word with ORDER BY	-1.78
SQL: Getting items which have a max value in another tables column,...	-1.49
inserting multiple select statements in table variable	-0.68
Handling NULL values while setting a value to a variable	+1.80
Query performance on two databases on one server	0.00
How to calculate distance of two points along line in TSQL	0.00
Selecting the second (middle) row between MIN & MAX values in S...	+1.39
Rounding issue in LOG and EXP functions	+1.67
The Recursive CTE to query all ancestors of a Parent-Child table is...	-0.63
Why is SQL output parameter always null	+0.36
Get count of children from each parent.SQL Server 2012	+1.18
Constraint on table to limit number of records to be stored	-0.09
Make a copy of parent-child structure in SQL	+0.37
On MS Access, group by then filter	-0.52
How to apply a single query that sum column for individual values	-2.05
Optimize large IN condition for Redshift query	+0.03
Translating MySQL to SQL Server	0.00
SQL Puzzle - UNION ALL without UNION ALL	+1.45
SQL query to compare subsets of rows between each other	-0.53
Left join isn't working when I am selecting count from another...	+0.38
Empty column values but keep values equal to the number provided us...	+0.34
How can I sum value of distinct columns	0.00
Selecting certain values that contain every number but not only one	-1.77
matching date in circular range	+0.36
How to search efficiently for IP addresses ranges?	+1.59
Can I limit specific characters in a SQL Server column? Will it imp...	-1.18
Optimizing several queries with GROUP BY that starts with the same...	+0.57
SQL Server 2008 - Group by null and not null values without union	0.00
How to combine two tables allocating Sold amounts vs Demand without...	+0.98
SQL Server : copy rows to another table without duplicate keys	-0.41
In T_SQL Null not allowed	-1.94