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, ...

InnoDB's REPEATABLE READ also effectively prevents Phantom Reads through MVCC (Multi-Version Concurrency Control) snapshot reads. Session B can read uncommitted data before Session A commits its ...

Sequel is a simple, flexible, and powerful SQL database access toolkit for Ruby. Sequel provides thread safety, connection pooling and a concise DSL for constructing SQL queries and table schemas.

Currently supports MySQL, PostgreSQL, SQLite and SQL Server (via ODBC). The project is hosted on github with documentation available on the wiki. See also: hibernated - ORM for D language which uses ...