You check `EXPLAIN` during code review and find no slow queries, yet in production, hundreds of SQL statements are being executed. This is the N+1 problem. Even if your index design is correct, ...
The SQL Server adapter for ActiveRecord using SQL Server 2012 or higher. We follow a rational versioning policy that tracks Rails. That means that our 7.x version of the adapter is only for the latest ...
The Mysql2 gem is meant to serve the extremely common use-case of connecting, querying and iterating on results. Some database libraries out there serve as direct 1:1 mappings of the already complex C ...
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