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JohnHC

Rating
1500.60 (438,786th)
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9,050 (17,130th)
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SQL Select rows in two tables with variability 0.00
Selecting First and Last Test in a group of Labtests +1.63
SQL clean repeted results in one column +0.82
Calculate the combinations of different numbers which in sum give 42 0.00
How to check whether the name of a person got changed -1.49
In SQL, how to select minimum value of a column and group by other... +2.14
Create table with unique column changes sort order +1.68
SQL date comparision in yyyy/mm/dd +0.06
SQL adding a field that combines the id and an increment number bas... +1.64
SQL Update a column in a table using Trigger to a Function +0.50
How to store result of dynamically executed stored procedure into a... -0.53
ORA-00979: not a GROUP BY expression when I execute my sql +0.45
Oracle PL/SQL : to_date() format not considered +1.13
How to find all permissions for all users in a sql? +0.46
Execution of CASE statement in SQL query -0.21
Rotate table in T-SQL -1.23
SQL Server : conditional (IF-ELSE) on Left Outer Join -0.38
SQL: How to get the actual shift values -0.51
Is it better to have a table with an upwards of 30 similar attribut... -0.36
Oracle: Using Case Statement in Where Clause -1.49
Between date in Mysql not working properly -0.44
Group price by hour -2.40
How to get DB records which have different value of same column in... -0.54
Oracle insert lots of data to temporary table +0.50
Display the 2nd most paid amount product in every day +2.09
postgres join on same table -0.16
code in PLSQL to find how many times number of 1 occurs from 1 to 9... 0.00
MySQL: query throwing column does not exist error 0.00
Select except where different in SQL +0.50
Days_between SQL error -0.11
sql to check if only entry with that value -0.01
Substr on date oracle 0.00
Error SQL state: 42P01 In postgres 0.00
How to set column blank if column contains alphanumeric characters... +0.64
How to get the relevent table data using JOIN Query +0.47
Oracle SQL distinct query 3 instead of 1 line 0.00
Find rows of table with related max date row column matching value? +0.48
Retrieve recent 5 days forecast for each cities with latest issue d... -0.75
Completing the missing rows when outer joining to a table of counts +2.54
SQL(List the names of distributors who have an ‘A’ and also a ‘B’ s... +0.50
SQL Server 2008 - Alternatives to While Loop -0.22
Sum datas by date with MySql -0.18
Update one record in daily table from monthly 0.00
Oracle SYSDATE format Change +0.51
Subtraction query in SQL -1.59
SQL: Join condition is eliminating query result to zero rows. a non... 0.00
Oracle - Map column data to a value 0.00
Copy values of a row in to column having same key +0.77
SQL Query - Design struggle -0.99
I want to convert the string 20/01/2017 10:46:19 AM to 2017-01-20 1... 0.00