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Rating Stats for

Giorgos Betsos

Rating
1654.02 (503rd)
Reputation
62,847 (1,424th)
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Title Δ
mySQL GROUP_CONCAT - Query +1.76
Grouping taking into account field names vice versa 0.00
Find sequences from sql query -1.67
how to perform right join on sql query if i have a relation table f... 0.00
SQL SERVER STUFF FUNCTION VALUE INCREMENT COUNTER +0.29
MySQL COUNT(*) not counting result rows -2.15
SQL Pairing rows with cross value +1.38
HAVING clause: at least one of the ungrouped values is X +1.26
Should querying for empty string match zero on a primary key column? +0.68
delete duplicates in sql: you can't specify target table 't... -0.35
How to make simple MySQL Order by Alpha sets (a-z,a-z,a-z...) 0.00
Mysql delete all except 100 new rows +0.04
count and get all records in mysqli/php +1.07
How to sort varchar id on basis integer in it using mysql +1.07
splitting up timeFrom and timeTo into hour intervals +0.31
MySQL fetch parent and all children 0.00
Show the most recently added row in a table for each distinct name -1.42
SQL find exact record combination +1.11
How to delete the rows which are repeated in Mysql +0.84
How to correct the following query +0.24
Find all rows that have changed and write old-Newvalue to different... 0.00
Select Number Into Multiple Rows +0.68
MySQL: Select group if any row matches +1.49
How to calculate the number of total votes when there is two Posts... 0.00
Query to group and sort hierarchical data +0.31
Get Periods of dates from SQL Query -1.39
top 10 by category mysql +0.32
tsql check if event has occurred within a certain frequncy +1.02
getting all rows whether it exists in the current query result or no +0.32
Get 4 groups of 6 records from the last 24 results 0.00
How can i do a hierarchy data based on a value 0.00
How to delete duplicate rows +0.05
Getting previous column values in a new column -1.26
how to get rows with null values and value -0.20
SQL Select from 2 tables with dominance 0.00
MYSQL: Select row based on ranking by joining tables +1.23
SQL: Select rows in a table by filtering multiple columns from the... -1.94
SQL Trigger creation The multi-part identifier "ALIAS" co... 0.00
Identify specific condition between rows +0.32
SQL query to compare subsets of rows between each other -0.83
List messages ordered by conversations for all users +0.82
SQL Server 2008 R2: Remove some part of string 0.00
SQL: Select based on occurrences without GROUP BY +1.87
SQL Query to return rows with no matches in another table +1.12
SQL Display Case with 0 Records -2.65
Forcing SQL result to to fill in missing values +1.48
I try to use IN in mysql 'CASE WHEN' condition +0.85
How to order by ASC, but to sort null at the last in mysql? -0.84
Did MySQL 5.7.9 remove support for ALTER IGNORE TABLE? 0.00
How do I join two tables while keeping their column names? -0.69