How to apply condition on column in SQL grouping in rails 3.2?

How to apply condition on column in SQL grouping in rails 3.2?



1.Active Record Query Interface — Ruby on Rails Guides

Description:Active Record will perform queries on the database for you and
is compatible with most database systems (MySQL, PostgreSQL and SQLite to
name a few).



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3.SQL - Wikipedia, the free encyclopedia

Description:SQL is a special-purpose programming language designed for
managing data held in a relational database management system (RDBMS).
Originally based upon relational ...



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Description:In all my years of working SQL server, one of the most
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5.Ruby on Rails - Wikipedia, the free encyclopedia

Description:Ruby on Rails, often simply Rails, is an open source web
application framework which runs via the Ruby programming language. It is
a full-stack framework: it allows ...



6.Querying SQL Server 2012: Part II - CodeProject

Description:24-01-2014 · Prize winner in Competition "Best Database
Article of January 2014" (First Prize level)



7.Ruby on Rails Security Guide — Ruby on Rails Guides

Description:Ruby on Rails Security Guide. This manual describes common
security problems in web applications and how to avoid them with Rails.
After reading this guide, you will ...



8.MySQL :: MySQL 5.0 Reference Manual :: 13.2.8 SELECT Syntax

Description:select [all | distinct | distinctrow ] [high_priority]
[straight_join] [sql_small_result] [sql_big_result] [sql_buffer_result]
[sql_cache ...



9.SQL SERVER – Insert Data From One Table to Another Table ...

Description:15-08-2007 · Following three questions are many time asked on
this blog. How to insert data from one table to another table efficiently?
How to insert data from one ...



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