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Juan Carlos Oropeza

Rating
1574.03 (3,598th)
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37,187 (3,024th)
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Title Δ
How to find SUM of all rows which have unique value 0.00
Recursion in PostgreSQL 0.00
Apply DISTINT on the JOIN table is not working 0.00
Replacing "," with a new line within the Database +0.41
Datatable's structure optimization: 'null' or equal to... -0.07
Can't get past Postgres not null constraint +0.38
maintaining two table stuctures the same on postgresql -0.57
Any way to improve the speed of this VBA loop to insert data into S... +1.51
How to insert data in to columns separately in postgreSQL 0.00
Oracle 20 million update based on join -0.07
How can i write subquery to finish? 0.00
how search multiple name from same table using join query 0.00
SQL Server operands order +1.52
MySQL, conditional WHERE clause -1.46
Postgresql date format with php +0.46
MySQL select all rows having latest value per id +1.94
Bucketing results in aging buckets in SQL Server 2014 0.00
IN() operator with AND inside 0.00
Count the number of records grouped by 1 hour increments on the hal... -2.22
Cost Averaging Negative Quantities Within A Group 0.00
Column count doesn't match value count at row 1 error what did... +0.17
How to add DATETIME() 0.00
Joining three table in mysql -0.90
How do I count scores over 90 in sql -0.08
optimizing the CTE 0.00
SQL query that limits the results to one when using count inside co... -0.21
How to fetch Nth row in MySQL? 0.00
How to pass record value into a subquery (PostgreSQL)? +1.96
Update similar values in separated row in mysql -1.06
how to valiate Millions of data? -0.29
returning rownumber() as part of the query -0.90
One to many join with group by -0.26
SQL:how to perform select only on some characters from a column +0.42
mySQL UNION and LIMIT with priority for one SELECT -0.57
MSSQL Loop - How to +0.43
Update table record in stored procedure and return the id of that r... 0.00
How to determine cause of slow queries -0.77
Order by total COUNT relative to repeating columns MySQL 0.00
ROW_NUMBER() SUB QUERY ISSUE -0.41
SQL JOIN with COALESCE in condition is duplicating rows -1.07
How the order by clause works while using timestamp? -1.79
SQL - Remove Duplicate Rows From Table +0.43
Why can't I use column aliases in the next SELECT expression? +1.31
Deleting duplicates from listed records with SQL in PhpMyAdmin +0.43
Find rows where the value in column 1 exists in colunm2 +2.28
Calculating the tendency of a value over time 0.00
Select one compulsory record plus several optional +2.01
Copy data to postgres+postgis from csv file with special formated p... +0.43
Query performance - Brain teaser 0.00
Return rows with duplicate value in column if one of the rows conta... +1.89