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Rating Stats for

Thorsten Kettner

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1568.58 (4,220th) 		Reputation
53,830 (1,814th)
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Title Δ
Reference subquery column in outer main SQL -1.67
How to update the datetime difference between all of the rows of a... -1.83
Oracle - Join multiple columns trying different combinations 0.00
Find unique number of days -0.38
SQL LEFT JOIN with the result of another JOIN +2.08
MySQL : Find duplicate records but EXCLUDE the first one from the l... -0.67
if count value of the column is greater than 1, I want to print the... +1.54
Copy rows that has atleast one null value in any column in SQL Server +1.12
Query to get distinct results 0.00
How to exclude certain strings from join 0.00
Keep the latest 7 records and delete all other query issue +0.04
Oracle SQL create a virtual column, do a max and then count and dis... -0.11
SQL Server - Compare months of current year with months of the prev... +2.14
C# query not translating to MYSQL 0.00
Strange result when dividing two numbers -1.41
union select takes long time to execute +0.16
In Oracle i have quarter names & start period and end period ho... +0.16
how to divided one column into two column in sql server? -0.81
Can you adjust SQL query (outcome) based on conditions in table? +0.36
MS SQL Find a Value in entire column and return true if found -0.14
SQL many-to-many -0.14
Reduce left outer join in SQL query 0.00
How to match phone number prefix to country from phonenumber in SQL 0.00
get the user only 100 rows from database that he hasn't seen yet 0.00
IN operator or JOIN in SQL -1.81
Using pattern matching to outer join tables in Oracle SQL -1.87
If else in SQL Server with multiple insert statements 0.00
How can I optimize a SQL query? +1.29
Query with a sub query that requires multiple values 0.00
Sequence numbering using SQL -0.08
Need help ranking columns 0.00
Select Max date column in a sql query, which is joined to other col... 0.00
Mysql getting data from tables with join +2.59
How to left join based on specific conditions in Python SQL? -0.07
Oracle PL/SQL How to store and fetch a dynamic multi column query -0.55
Oracle concatenate String null values +1.94
Merge every 2 consecutive records into 1 -1.41
Multiple Condition on one column in sql +0.45
Combining queries by nesting +1.10
Left join in sql table? -0.85
COUNT with GROUP BY based on most recent rows only +2.14
Fetching result from Oracle db -0.06
SQL Join - Can't eliminate Cartesian results 0.00
How to use GROUP_CONCAT on multiple JOIN -0.57
Delete registers with rownumber greater than specified for each gro... -2.00
Delete registers with rownumber greater than specified for each gro... +2.00
Query in Oracle to select with subquery +1.26
Replacing values with other values if a criteria is met -0.15
how can label my data is old and new in a minus sql +0.14
cast (sysdate as date) doesn't give exact integer values -1.41