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ypercubeᵀᴹ

Rating
1594.08 (2,064th)
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96,894 (779th)
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Title Δ
SQL Combine Columns -0.20
Update year and month of date based on select statement -0.52
What does it mean to have several ON clauses from INNER JOINS toget... +0.92
mysql: Limit to maximum equal results of multiple queries -0.30
UPDATE syntax in SQLite +1.61
slow left join using mysql -1.18
SQL Server : join return one row of one to many relationship with t... -0.21
Compare two tables' data 0.00
SQL statement for querying with multiple conditions including 3 mos... -1.52
doing a select count(col), max(col), column_name_data from table +1.62
SELECT time-stamp based on miliseconds +0.80
Why this oracle query returning empty result set? -2.17
In sql To use ALL command instead of MAX command -0.57
Multiple joins involving same table produces "column doesn't e... -0.07
How to group and count items in groups and get the full row? +0.45
MySQL Count matching records from multiple tables -0.02
Add a column to a table with a default value equal to the value of... -0.85
COALESCE() for blank (but not null) fields -0.57
How can I speed up this SQL query +0.37
how to rewrite the query to make it faster and sql compliant 0.00
Find distinct values from comma separated text column of mysql 0.00
SQL Dynamic join? +0.03
Weird behaviour from using CASE/WHEN in MySQL 0.00
Why doesn't MySQL use the primary key on JOIN plus ORDER? 0.00
MySQL select rows until fixed number of condition is reached -1.88
sql how to write complicated query for noob? -0.12
MySQL: dependent subquery select type for uncorrelated subquery 0.00
PostgreSQL - select only when specific multiple apperance in column -0.90
MySQL GROUP BY optimization - InnoDB vs MyISAM? +0.39
How to use actual row count (COUNT(*)) in WHERE clause without writ... -1.85
Why is my MySQL group by so slow? 0.00
SQL Server : fetching records between two dates? +1.43
MS SQL To Informix 11 - Group By converted datetime +0.92
ORDER BY and LIMIT in GROUP BY -0.47
MySQL UNIQUE Constraint multiple columns condition +0.15
simple sql query with count -1.16
How do I optimize my query? -0.09
multiple union all in common table expression 0.00
mysql group by part of queried entry -0.75
Mysql query trivia +0.42
Improve performance or redesign 'greatest-n-per-group' mysql query +1.70
Removing duplicate combinations from result set in SQL Server +0.28
MySQL group by where day <= x -0.60
How does a WHERE clause work when tables are joined to themselves? +1.74
How to select max Id from nested select? -0.03
Proper way to index date & time columns -0.74
ALTER TABLE syntax 0.00
Normalizing a Table 6 -0.43
Finding row based on the number of occurrence of the where clause -0.79
SQL: Enforce cardinality with assertions 0.00