StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Rating Stats for

piotrm

Rating
1561.65 (5,304th)
Reputation
9,342 (16,488th)
Page: 1 2 3 4
Title Δ
Avoiding duplicates in mysql query that uses UNION and ORDER BY +1.11
indexed column still takes 8 seconds, NOT using index (mysql 5) 0.00
SQL: Select all record matching value 'x', but stop when value 'y'... +1.74
Optimizing mysql slow query +0.43
mysql: RIGHT JOIN query speed issues involving calendar table -0.08
Conditional MySQL order by two (equally important) columns +0.40
Mysql Group by time having mutilple condition 0.00
Query to find 16 most clicked posts in last 30 days without duplica... 0.00
MYSQL Subselect in where clause +0.16
Counting messages per day (after 17:00 counts for next day) +1.82
MySQL one to many relationship: GROUP_CONCAT or JOIN or both? -0.12
mysql group_concat with a count inside? +0.43
mysql select matching results +0.50
Using Joins to Eliminate Multiple SELECTs in Loop -0.07
Php/MySQL: Hours reported, hourly rate -0.23
Does a UNIQUE constraint automatically create an INDEX on the field... 0.00
Creating a "Numbers Table" in mysql +1.90
MySQL GROUP CONCAT duplicates +1.88
sql pulling from sub query 0.00
MySQL & PHP - Only list items not listed previously -0.19
Sorting an array by index value with given order -0.57
Find combinations that meet a ranged criteria +1.90
Join table multiple times to another table that may or may not have... -0.08
using concat and group_concat function in one mysql query 0.00
MySQL TIME stamp to days, hours -0.33
Mysql (LEFT)JOIN how to explain such behaviour? +0.90
How to make a query to GROUP BY x DESC +0.97
Manipulating Results From Two Subqueries in MySQL 0.00
"REPLACE INTO" versus INSERT [IF] 0.00
mysql get row number of a specific result +0.42
Limit the value of a MySQL datatype to a specific range (preferably... 0.00
Filter posts in a query if they have only one certain tag +0.44
Mysql query group latest insert 0.00
Complicated MySQL Database Query +1.14
Sort table, using loop in MySQL with SELECT and UPDATE +1.56
MySql Left Join not preserving Left Table +1.53
Query MySQL for rows that share a value, and returning them as colu... 0.00
SQL Multiple COUNT() from two tables, within a LEFT JOIN +0.42
Mysql select multiple tables but inner join on one table 0.00
multiple tables (one is a subquery) join -0.83
Ideas to improve this query indexes +0.38
How to select all records that are 10 minutes within current timest... +2.64
Can I output this table of categories (id and parent_id) with only... -0.22
Add one more table to query and count the data SQL -0.06
MySQL Select Query - Add two rows and display them as one? -0.52
Array not displaying all results 0.00
Mysql Query find article follower / last with no follower -0.50
Replace string with mysql +0.39
MySQL "REPLACE INTO" using a SELECT to pull one field +3.75
Set field if row field is not duplicated -0.48