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Quassnoi

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1625.87 (967th) 		Reputation
404,495 (93rd)
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Title Δ
how to combine the related version in group by -0.16
Table with a lot of attributes -0.23
Why use a READ UNCOMMITTED isolation level? -0.14
How do I optimize this query? -0.45
MySQL get point in time totals from related tables -0.20
SQL Server Update with left join and group by having -0.87
How rigid is the max size of a VARCHAR in SQL Server? -1.75
Optimize MySQL query to avoid unnecessary calls to user-defined fun... 0.00
Oracle ALTER DATABASE OPEN +0.28
Query optimization (OR based) -0.26
SQL Query Help: how to select just start and end rows of groups (Or... -1.22
mysql/stats: Weighting an average to accentuate differences from th... +0.14
MySQL Multiple Table Join -0.22
SQL Server trigger that rounds values -1.08
SQL SERVER 2008 JOIN hints +0.29
Why does searching an index have logarithmic complexity? +0.70
Oracle - Update statement with inner join -0.60
What should the itemcount property in SQL Server match 0.00
PHP PDO related: Update SQL statement not updating the content of t... -0.22
Oracle Stored Procedures - Returning a Cursor From a Procedure that... 0.00
Index Seek vs. Clustered Index Scan - Why is the scan chosen? +1.92
SQL optimization - execution plan changes based on constraint value... +1.76
MySQL query. Cannot do WHERE on alias... alternative? +0.25
How to increase last day count query performance +0.28
how to change/simplify joins in oracle +0.25
mysql: Optimizing query w/ mixed-ascendency ORDER BY -0.94
Stored procedure performs terribly - increase timeout or fix the pr... -0.07
how to do union of the following two queries 0.00
how can I update rows at random? -1.19
Update with self-join 0.00
Should I rollback failed SELECT statements or commit successful ones? 0.00
Where are Cartesian Joins used in real life? -1.86
Which type to use for large alphanumeric content when creating a fi... 0.00
Can you explain what's association relation in database? 0.00
MYSQL: delete empty cells +0.29
MySQL: How to make data unique for several rows in a table? +0.27
MySQL sorting performance problem +0.29
Have mysql re-allocate ids in a continuous range 0.00
How do I store (and sort) vague date ranges? +0.56
MySQL - Recursing a tree structure -0.32
Oracle Timestamp: extract full hour +0.97
Oracle Query - Get only strings in the select field -1.38
joining two tables -0.02
Composite Primary keys and Foreign key constraint error +0.25
historically, what made relational databases popular? +0.50
SQL Index Question: Why does SQL Server prefer this NONCLUSTERED in... 0.00
Find path between nodes with SQL -0.82
When would you define an index with a descending order? +1.55
T-SQL: Omit/Ignore repetitive data from a specific column 0.00
Inner Joining two tables based on all "Key/Value" Pairs m... +1.24