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Unreason

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1498.95 (3,811,804th) 		Reputation
11,026 (13,599th)
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Title Δ
Null value in a Foreign Key +0.68
use distinct keyword for 3 tables in sql server? 0.00
When is tuple length too long? -0.02
Data integrity for a large database table -1.06
How can I set a MySQL database to use MyISAM by default? +1.82
Calculate a column value during INSERT +1.22
Is there way to give user-friendly error message on constraint viol... -0.34
mysql select top n max values 0.00
Access SQL group by name and then set values in horizontal from mon... -0.14
Normalisation - 2NF vs 3NF -0.63
One-to-many, parent-child tables circular relationshp in MySQL +1.04
Optimize query for multiple columns extracted from the same table -1.24
Extracting results of a GROUP BY -0.84
Periodic event implementation -0.02
optimize Query in PostgreSQL +1.00
Default database for MySQL -0.01
Writing a CPU bound script to gauge rough CPU performance -0.66
Linear equation function with MySQL? -0.37
Using a meaningless ID as my clustered index rather than my primary... -1.94
How do I insert into a record a value of the current time in MySQL +0.11
select query multiple times, changing dates -1.00
I keep messing up 1NF +0.10
mysql bulk insert a text file +2.04
Numeric Range Optimization +1.09
Sqlite to Postgres (Heroku) Date/Time -0.11
Need help with MySQL Query using not like -1.14
What are the benefits of a sequential index key, and how much wiggl... -0.19
SQL - Filtering large tables with joins - best practices -0.90
MySQL How to include in where two clause? +0.23
Clear and readable SQL code +0.97
MySQL: Computed Column -2.05
Access 2007 + SQL 2008: Bookmark operation stopped working 0.00
Is there an efficient way to avoid UNIONs of fixed values in SQL? -1.52
Help improve this SQL UNION query -1.68
Simulate multidimensional array on MySQL +1.32
Why scan type is changed from ALL to RANGE when using LIMIT on SQL... -0.85
MySQL SELECT only if doesn't match +2.16
SQL Distinct keyword bogs down performance? -0.55
Counting voucher value total since the beginning of the month +2.13
Join first valid row from another table in innodb +0.50
SELECTING repetitive rows -0.24
How to map 2D coordinates from store image to the actual shelves of... -0.89
How to calculate the angle between a place on Earth and the Sun? -0.26
Query for historical data -0.00
Use uuid as primary and/or as surrogate key? 0.00
mysql: 'WHERE something!=true' excludes fields with NULL +0.80
SQL multiple COUNT -0.69
Google maps polygon optimization +0.19
number of parallel connections to mysql 0.00
Are there any MySQL functions to get all rows with with a start or... +0.06