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Thorsten Kettner

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1568.58 (4,220th) 		Reputation
53,830 (1,814th)
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Title Δ
SQL - Select from TableA, then Select Count from TableA +0.74
SQL Union Query - Referencing to alias of derived table +0.97
PL/SQL: how to combine rows into one string 0.00
Oracle SQL : Getting one result set for multiple select queries on... 0.00
Mysql 3 tables 2 joins 0.00
I tried using union, pivoting and making use of functions -0.60
Oracle 'Invalid Identifier' in sub-query +2.04
Oracle 'Invalid Identifier' in sub-query -0.96
How to retrieve the Max Row per group when the partition is a DateT... +0.22
How do I find the author in a List containing who has written most... -0.33
Group sql query into quarterly results 0.00
Resolve a Left Join Query returning 20 as QTY for which 10 is the e... -1.60
Effective Date Employee Entered Pay Group -2.26
sum of counts of different columns of same table -0.41
How to select requests by request_id only if all status is "no... +1.95
How to select requests by request_id only if all status is "no... +0.09
How to search keywords and get matching words with Mysql? +0.98
Behaviour of LIMIT in Mariadb subquery -2.00
Behaviour of LIMIT in Mariadb subquery +2.00
How to insert data from 2 other tables in oracle +1.14
Show SQL query results based on a count -0.09
My sql query to oracle query conversion -0.30
My sql query to oracle query conversion -0.30
SQL JOIN not returning wanted results +0.05
MySQL select the last two inserted IDs 0.00
SQL - Select rows from same table twice without using UNION 0.00
how can i find which attribute value only contain one type of value? +1.70
Select data from date range between two dates and times -1.19
Merge two SELECT statements with different data types and number of... -1.16
How to prevent double booking in oracle sql? +1.59
Left join mysql query in same table -0.11
Exactly when to user inner join or an alternative query -0.58
Count Nested Select Result And Sum up- SQL -0.40
How should I do select statement between one column with another on... +0.08
How should I do select statement between one column with another on... +0.08
How can I pull the row from the following data +1.02
Why does SQL want you to select the column and THEN refer to the ta... +0.02
Use Count function inside conditional part of Case Expression -0.28
How to use group by and select distinct +0.41
NOT IN with subquery not returning correct results +0.22
Optimize Join, Sum, Subqueries +0.93
SQL test for value not present 0.00
Oracle SQL query, getting a a maximum of a sum -0.09
MariaDB SELECT all records for only accounts expiring within 30 days 0.00
Get row from the table based on from and to parameters sql -1.25
The query is not giving a desired output which I want +0.40
Using multiple UNION ALL statements in WITH clause 0.00
How to select last insert value for specific column +0.41
MySQL String to Time Format -0.54
PL/SQL - How to Run different Select According to Table Field Value +1.87