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Quassnoi

Rating
1625.87 (967th)
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404,495 (93rd)
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Title Δ
Two Queries that should return similar results, SQL 0.00
Joining Two Same-Sized Resultsets by Row Number -0.50
WHERE IN with a local variable +0.21
How can I get odd numbered characters in a string using SQL 0.00
sql query that not show all records +1.00
TSQL Grouping by time with Start and End dates +0.25
Removing a Temporary B Tree Sort from a SQLite Query 0.00
MySQL - selecting near a spatial point 0.00
Unique row constraint in SQL Server +0.87
Stored procedures written in MySQL 5.5.8 don't work in 5.1 +1.22
show results one by one +0.26
How to store blog categories in sql 0.00
explain this short SQL query -0.14
Optimize SQL query using count +1.72
MySQL Optimal Field Memory Usage 0.00
cannot update record, get stuck -0.49
Select from two tables at the same time? -0.73
MySQL pro rata counting of distinct values in last period -0.97
MySQL optimization - traverse whole table for WHERE foo IN sub-sele... 0.00
Multiple COUNT(*) with join 0.00
Condition within GROUP_CONCAT() 0.00
MYSQL query with "LEFT JOIN" where a.key != b.key -0.16
Oracle always uses HASH JOIN even when both tables are huge? -0.88
Indexes, EXPLAIN PLAN, and record access in Oracle SQL -0.91
Tsql select from related table with AND condition -1.28
mysql hierarchical queries 0.00
Answer For a SQL Quiz -1.07
MySQL, Confused w/ query / Error Code: 1111. Invalid use of group f... 0.00
MySQL FULL JOIN? -0.58
What databases could run the following SQL? +1.46
How to do this MySQL stored procedure for hierarchical query? +0.24
How to add up total of several rows that have a matching column -2.85
Why does MySQL add a feature that conflicts with SQL standards? -0.20
Are there any reason to use both primary key and unique key togethe... -0.80
How to fetch data from two related tables filter by one table? -0.61
MySQL SELECT IN() statement and InnoDB Index fails -1.64
Optimizing MySQL query to avoid scanning a lot of rows +0.24
Improve MySQL Query with IN Subquery +0.89
specific ordering in mysql +1.51
mysql 'order by' problem? 0.00
Remove WHERE condition when subquery does not return any row -0.26
How to determine if a parameter value was passed to a stored proced... +0.27
PostgreSQL query decomposition +1.23
PostgreSQL, MySQL - redundant update/insert/delete optimization 0.00
Database model and performance +0.88
How does mysql order by implemented internally? 0.00
Check database name before running SQL -1.16
MySQL - Last Day Of Quarter (Most Efficient Way) 0.00
How to create a Primary Key on quasi-unique data keys? +0.36
How to insert value to the new table based on condition -0.33