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Juan Carlos Oropeza

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1574.03 (3,598th) 		Reputation
37,187 (3,024th)
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Title Δ
Error creating table in MySQL database using C# 0.00
MVC How make a logout button +0.43
SQL for recursive self linked table +1.85
SQL query to reconstruct inherited EAV model -0.55
PostgreSQL: multiple sub-selects to populate a table 0.00
Return results only if it doesn't contain a particular value? +0.43
Query return more than one row? -0.29
Using aliased result of function in where clause +0.36
SQL join on subquery with condition issue 0.00
Second almost identical subquery takes much longer 0.00
Choice of a primary key in SQL table +1.17
Reordering MySQL rows based on a certain row 0.00
Count Performance optimisation +1.62
Remove Rows Prior to a Condition in SQL -0.72
MySQL : SELECT all users with 5 unopened messages in there last 5 m... +0.20
Get multiple records with one string -0.56
Can I combine USING and ON in a single join? 0.00
Read the latest dataset using sql or sas -0.08
SQL Query to Retrieve the details of those employees who works in a... +1.50
how to make stored procedure into a drop down list C# MVC 5 0.00
How do I Remove an entry which is more than 30 seconds old And has... -0.25
Can't avoid duplicated results in mysql query 0.00
Postgresql tables exists, but getting "relation does not exist... +0.44
How create groups with evenly sizes +0.21
mysql SELECT from two tables with two statements -0.06
Using UNION to add column value with criteria 0.00
MySQL query about union -1.71
WHERE NOT EXISTS syntax error -1.91
Using multiple IF ELSE in A multi-statement TVF Sql Server 0.00
delete rows in mysql +1.27
Detect SQL dialect -0.01
These 2 SQL queries return different result -0.06
Accessing aliases inside a select 0.00
Calculating rate of a given field value (SQL Server) +1.75
Casting partial dates in Postgresql 0.00
MySQL merged & weighted sorting on multiple tables 0.00
Without using DISTINCT, how to group data without altering value? -0.41
MySQL optimization : index choice WHERE vs JOIN -0.30
Join from 2 tables using foregin key MySql +1.62
Optimizing basic SELECT query with multiple NOT IN values 0.00
Query for all records from 1:01 AM two days ago to 1 AM yesterday 0.00
Optimizing an sql query for efficiency +2.11
Change sequence name in postgreSQL -0.56
Postgres: select all row with count of a field greater than 1 +2.31
Conditional JOINs in Class Table Inheritance in mySQL 0.00
How to see if there is a match (in percentage) between 2 columns fr... 0.00
mysql: how to get the last value of one spesific column as part of... +0.69
MVC . Search by more than one criteria -0.31
Postgresql returning the most popular genre of product per customer -1.68
MySQL Complex Join Error -2.34