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ypercubeᵀᴹ

Rating
1594.08 (2,064th) 		Reputation
96,894 (779th)
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Title Δ
SQL Challenge - Display N (1, X or All) rows with a certain column... -1.13
How can I avoid IS [NOT] NULL in an SQL select statement? +1.63
How do you create an average time difference between records in MyS... -0.64
Optimisation of an oracle query +0.53
More efficent way to select rows by date as a nvarchar +0.54
How do I merge and delete existing primary key on new database? -1.20
Extra info for model with several types -0.45
cannot use alias in ROW_NUMBER() over in SQL Server? -1.03
SQL query FROM variable tables 0.00
MySQL 2 foreign keys in 1tbl referencing 1 primary key +0.05
mySQL failed attempt at getting posts from last 24hr, and last 60 min -0.71
Hexadecimal calculation for a checksum +0.85
MSSQL update multiple rows based on select statement +0.54
Index not used where it can and should +0.34
Expanding a mySQL table using only mySQL -0.05
Change ondelete behavior on SQL table +0.29
Getting Count of Time Intervals +1.34
SQL make a query with new column values depending on fixed values +0.05
Oracle query performance problem +0.02
Oracle: column ambiguously defined -0.68
How to extract info based on the latest row +0.05
mysql: get result from 2 tables, regardless of a field being presen... +0.40
Can I condense these queries into less -0.50
SELECT from a distinct list +1.64
MYSQL - Left joins, optimize 2 sec query +0.55
Order within group by? +0.57
MySQL query makes server crash? +2.36
Oracle - How to write this SQL? -0.74
mysql group by with multiple collums 0.00
Selecting the no of rows from the database using the year stored in... +0.54
MySQL Subquery result array -0.09
Mysql query - JOINS and WHERE clause, beginner here :) -2.00
delete whole row after x mins in mysql db and PHP -0.05
SQL Query on 4 tables : Very Complex? -1.84
Using join in place of this two seperate queries +1.00
mysql inner join ambigious USING() field but not always -0.27
MySQL+PHP: getting last_id of multiple/composite primary key +0.07
SQL: Normalization of database while retaining constraints -0.63
daemon software to update mysql database in background +0.55
Oracle: get the closest date for each id efficiently -0.84
Equality of "select ... where in" and joins +1.86
Inexplicable behaviour in MS Access full outer join? 0.00
Cannot insert row when table is empty in MySql +0.13
MySQL Query Problem - Joins and Grouping +1.47
Proper Indexing/Optimization of a MySQL GROUP BY and JOIN Query +1.10
mysql select having multiple n to n's +0.85
SQL Server re-calculate or not? +0.99
MySQL varchar has line break and a working LIKE-clause in PHP -1.51
Get recent threads that the user did not join in to +0.05
Inserting data into a table with new and old data from another two... -0.14