StackRating

An Elo-based rating system for Stack Overflow

Home | About | Stats and Analysis | Get a Badge

Rating Stats for

Thorsten Kettner

Rating
1568.58 (4,220th)

Reputation
53,830 (1,814th)

Page: 1 ... 5 6 7 8 9 ... 84

Title	Δ
Need help improving SQL DELETE performance	+2.06
How to constrain two columns in SQL to have a value in one column o...	+1.88
Distinct group to avoid duplicate depts	-0.08
Is my schema for a financial securities database correct?	0.00
Sorting query output by Month name	+2.45
Database schema Desigining	0.00
Group the query into 3 columns, and display the sums for another co...	0.00
How to sum up values when the only connection is count?	0.00
When to use composite key instead of auto increment	-0.30
Oracle trigger to indicate a single cell to be updated	0.00
Oracle trigger to indicate a single cell to be updated	0.00
MySQL update null values where product code has value	0.00
Comparing string values within a table	-2.23
Alternative for "Except All" in SQL Server	+1.15
Postgres not using index on two comparison operator	-0.57
MySQL: How to design table for conversion (e.g. dress sizes)?	0.00
Time() function return Null	0.00
SQL Select - where subquery has multiple row	-0.25
on SQL How to call values by date	+1.37
Get the names of all employees who never took a vacation day	0.00
Query to check if column value appears more than once	+2.02
Saclar subquery produced more than one element	+0.42
I tested in my SQL Developer one case about "Subquery in Order...	+2.24
Selection based on multiple conditions	+0.48
Updating only specific rows within the lowest value	-0.95
Composite Keys: Foreign Keying and Primary Keying	0.00
Query is summing values multiple times	0.00
PL/SQL Calling a function to a procedure	-0.32
SQL to generate a serial number from 1 to 9 repeatedly in oracle	0.00
Optimize full outer join query	-0.63
Replacing select values with values from other tables	+2.09
How can I show multiple counts in one SQL JOIN Query	+0.42
SQL sum of order value from joining two tables	-0.49
How to differentiate logs that don't have an ID to aggregate th...	-2.09
Can not get null values with full outer join	+0.41
No error while executing a query with wrong column name	-0.32
Query For getting the Salary of employee	-0.09
adding filters to sql query (ORACLE database)	+0.41
Join after Group by performance	0.00
Get a Combined Result in MySQL	0.00
SQL group three columns into one	-1.63
MYSQL SUM until last day of Each month for last 12 months	-0.07
Compare Two Relations in SQL	+2.05
Special join of two tables using date range	-2.32
mysql: natural join	+0.42
Select multiple rows with highest rank in mysql	0.00
How to count timestamp data from several tables and group by date?	0.00
Check if Value doesn't exist in other tables	-0.23
Find the names of all students who are enrolled in both A and B cla...	-1.22
Storing query conditions in db	0.00