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Rating Stats for

Kamil Gosciminski

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1571.46 (3,890th) 		Reputation
11,696 (12,672nd)
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Title Δ
INSERT SELECT loop -1.09
will this sql work 0.00
Understanding joins with an example -1.19
SELECT a subset (n=1) of records that have the same class in a cate... +2.07
Select First, Max, and Last non-null value per group -1.28
SELECT records using multiple critira -1.65
Can I get this result in postgresql? 0.00
SQL to generate sequence number within each group 0.00
1452 - Cannot add or update a child row: a foreign key constraint f... 0.00
PostgreSQL: Is it possible that using trigger delete can work as up... 0.00
SQL join tables and filter based on comparisons 0.00
how to get percentage in stored procedure 0.00
Self join when two tables are joining +0.10
mysql check date constraint (trigger) 0.00
How to search for string in SQL treating apostrophe and single quot... -1.53
Combining SQL Query Across Multiple Tables -0.33
counting by cases over grouped time -1.03
PostgreSQL: row_to_json with selective columns 0.00
What does SUM(var1 + var2) return? -0.32
Change type of calculated field in select query (sqlite) +2.11
Group by and desc duplicate name +1.72
Split a single column into multiple columns +0.67
ER diagram: Total participation and weak entities 0.00
Turn a field of comma-separated zip codes into a list of cities 0.00
Forcing a DROP in Postgresql 0.00
Mysql | displaying data with 2 conditions -0.25
How to display 0 counts if value not exists in group by statement i... 0.00
Count(*) of a query having a LIMIT +1.74
MySQL Error: Duplicate entry 'xxx' for Primary Key 0.00
How to check foreign table permissions on Postgres 0.00
How to Generate Monthly Cohorts in One Report Using Postgresql? -1.74
How to get get Records based on multiple columns from a table 0.00
Trouble querying an array in a cell of data in a postgreSQL database +0.76
PostgreSQL: constraint which affects multiple tables -1.54
Group by a summed variable +2.53
Oracle SQL select mutiple columns in one table with same type and m... +0.45
SQL flattening tables of translations +2.38
SQL SUM Same columns -2.32
How to change update statements into insert statements while mainta... +0.42
Select from Table1, Table2 +0.42
What is the issue in this Mysql query -0.87
Find distinct value from multiple columns of multiple rows [MYSQL] +0.42
Having trouble using aggregate and boolean in a Case Statement in P... -1.66
Subquery returns thousand of rows, cause slow +0.39
Postgres function with nested IF +0.43
How to use the count result over an specific date? 0.00
How to get rows in mysql from set of chracter match with any column... 0.00
Changing forum content tags in string column 0.00
Entering string says unknown column 0.00
mysql single table group by removing zero elements -2.52