StackRating

An Elo-based rating system for Stack Overflow

Home | About | Stats and Analysis | Get a Badge

Rating Stats for

Giorgos Betsos

Rating
1654.02 (503rd)

Reputation
62,847 (1,424th)

Page: 1 ... 15 16 17 18 19 ... 51

Title	Δ
sql get the max 3 score rows for each category	+0.49
Self joining doesn't help here. What other approach can I use?	-2.10
find other columns value based on maximum of one column using group...	+0.79
Get rows between two date range	+0.30
Join three table for Report in Mysql	+0.70
related tables, how to find records if there are missing rows	+1.44
Count from two different columns from same table based on range	+0.89
SQL sum data between 2 dates in one column	-2.92
sum of counts in a group	0.00
Select unique values from the same column in two tables	-0.34
CASE WHEN query not returning expected results	-2.39
Joining two tables on same date to form pairs of rows that do not h...	+1.78
mySQL ORDER BY SUM of double GROUP BY, preserve groups	-2.67
how to find first, second and third largest values from different c...	0.00
How to filter opposite duplicates	-0.53
Grouping in SQL	+0.26
SQL to find players who play one game	0.00
How to get sum of value for specific field	0.00
Subquery Group By Month and Year	0.00
count distinct and window functions	+0.90
MySQL: select row in parent table that has two rows in child table...	-0.46
How to displaying table by specifying its name from another table?	0.00
FIND_IN_SET sql query	-0.50
SQL Find depth of child row relative to top parent row	0.00
How to combine 2 SQL querys to one result?	+0.82
Oracle sql - finding duplicate values in a column based on another...	-0.56
mysql - Join tables based on multiple columns in second	-1.83
SQL to return results if multiple matches in a pivot table	0.00
Incorrect syntax near '.' in SQL	0.00
MYSQL: Selecting value in column where column name is defined on a...	0.00
MySQL GROUP BY and sort the group by column	0.00
Retrieving a single string value when grouping rows in SQL Server 2...	+0.28
SQL Server Query to count the number of Negative and Positive value...	+1.20
MySQL Query students that studied for all the schools	+0.62
mysql: group by first and last occurrence	+0.51
Get number of comments within a forum	0.00
How to sort month in calendar order using mysql query	0.00
MySQL - Combine two queries, or limit results	-2.68
INSERT INTO double select - how?	+0.94
MySQL get all characters before specific character, If not then who...	0.00
How to combine RAND and DESC in a query	+0.29
MySQL join two table an filter data	0.00
Sum instances of different values and total their price	0.00
What is wrong with this small query? SQL errors	+1.98
Two Subqueries in Select part of SQL query	0.00
Count values base on other field in mysql	-0.20
Sql two table combination and distinct only specific values	+1.66
Using group by but generate several columns	-0.21
How to replace NULL with 0 in the query?	-2.27
How can I write multiple conditions in CASE statement?	0.00