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Denis de Bernardy

Rating
1559.07 (5,772nd) 		Reputation
58,950 (1,576th)
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Title Δ
How to efficiently determine changes between rows using SQL -0.92
Rails 3 migrations: boolean (mysql vs postgreSQL) +0.50
Can this MySQL Query be optimized? 0.00
Regex keeps skipping first should be match +0.12
Credit card Authorization using Paypal? 0.00
MYSQL how do I get a SUM of the checkins? +0.49
When to use Count(PK_ID) and when to use system tables? +2.10
php mysql syntax error -0.49
PHP vs JavaScript For Dynamic HTML Pages -0.55
to get top 5 rankings from database -0.96
how to design the database schema representing ADDRESS elegantly? +0.50
Activity streams / feeds, to denormalize or not? 0.00
How many table partitions is too many in Postgres? +0.18
Output BLOB video +1.04
Regular expression problem -1.24
mysql query: select related record depending on column values 0.00
Need a nested SQL query which takes the count from the first query... +0.49
Filtering an array in php, having both value- and key-related condi... -0.00
DOs and DONTs for Indexes +2.21
Grouping by an alias +1.05
Redirecting a php page based on header(location) command not workin... -1.86
Postgres alter column from time without time zone to int -1.25
optimizing simple mysql query +1.89
Using SQLite as production database, bad idea but -0.58
Apache: mod_rewrite not directing one address +0.00
Will an application on PHP Yii framework with MySQL database handle... +0.85
Datepicker: revert to last value on incorrect input +0.00
Is there any way to better optimize this fulltext MySQL search? CPU... -0.01
SQLite select statement optimisation advice -1.06
Simple SQL constraint question -0.25
mysql query and performance +0.49
How to sort items in mysql based on data from another table? -1.54
Why is this htaccess file causing a 500 error in Apache? -2.16
regex for htaccess redirect 0.00
htaccess 301 redirect Vs php script in Wordpress -0.03
Store many small databases in the cloud -0.10
How to sort users by the most recent post? +2.15
How to identify clusters of nodes in a network -0.38
Architecture for user-tests / group-tests -0.21
What is the "maximal" size (complexity) of a DB query tha... +0.50
Custom wordpress query help 0.00
Advice needed on offering category / search result filtering with m... -0.02
assert dilemma in unit testing class -0.77
Worth adding indexes on a column just to make them a foreign key? +0.75
UPDATE multiple rows/columns with single query (perfomamce) +0.32
SQL view with calculated column type becomes nullable -1.60
MySQL: Split string SQL to be used in WHERE clause +0.49
Force html link to open in a new window +0.70
What is the correct type I should use to store a date up to the min... 0.00
How to use alias as field in mysql -1.12