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Kickstart

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1523.86 (25,414th)

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20,201 (6,731st)

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Title	Δ
MYSQL INNER JOIN to get 3 types of result	0.00
How to efficiently insert an array as nested set model with Laravel...	0.00
How to select last entries for each groups?	+0.43
Mysql - joined table must match condition for all dates	0.00
How to optimize my mysql request to work with large database	+2.18
Slow performance of query.reduce	-0.09
Mysql cumulative summation based on hours	0.00
how to optimize sql when find the max record of each group while ta...	-0.03
how to find subpart from comma separated value of a column and inse...	0.00
how to write sql condition with same table colums	+0.02
Outputting the total number for a certain category	0.00
Group by MySQL with special case	0.00
Insert an array to the database like a separate rows	+1.30
Select only the maximum id for a given input	+0.50
How to increase 1 the value of a null field?	-0.36
join on same table ignoring null values	-2.03
UNIX_TIMESTAMP MYSQL, can't get right query	+2.34
DISPLAYING EID,ENAME, SALARY OF THOSE WHERE SALARY IS MORE THAN AVE...	-0.35
SQL innerjoin convert integer to text	+1.67
What is the issue with this query ? It is taking 0.5 to 0.6 seconds...	+1.54
left outer join on the same table with condition	-1.45
getting values for PHP array	0.00
how to display names instead of id in join query of mysql having 2...	-0.26
MySQL first condition match priority	0.00
mysql - long running query without proper indexes	+1.56
Update table A with info of B with value as a column name	-0.88
In mysql How to find number of sundays in a month	-2.38
How to improve query execution time?	-0.51
SELECT WHERE IN with GROUP_CONCAT as input	+0.48
mySQL - Find and group similar values with wildcard	0.00
php recursive function to print a string 3 times does not work	-0.99
How to read father and assign his id to childs from txt file to dat...	0.00
How to calculate median from comma separated string values in MySQL?	+0.47
How to get 1 row per user with INNER JOIN	-0.54
Self join between subqueries for duplicate detection	-0.33
MySQL left join query suddenly hangs in one db but runs in another	+0.47
MySQL - Finding Duplicated Data from Two Columns	-0.51
mysql join three tables, replace id with its value	0.00
MYSQL Join to get data in specific format	0.00
How to get a String from not null values of the columns row wise in...	+1.63
Slow Mysql Inner joins with multiple OR	-0.70
PHP- I'm trying to loop an sql query in php code for mutiple ch...	0.00
How to find set difference in Mysql?	-1.06
Using GROUP BY in mysql giving syntax error	0.00
how to optimize the following mysql query	-0.03
Creating new table which contains unique rows with conditions ; MySQL	+1.68
selecting rank from millions of records	-0.03
PHP MySQL select all results with ASC references	-0.03
MySql Insert substrings from another table with CASE	-0.50
MYSQL how to limit results from join	+0.26