Summary: In MySQL, it's more efficient to split large queries into smaller chunks to avoid lock contention and potential deadlocks, unlike other RDBMS where bulk queries are preferred.
Summary: How various open-source storage systems, including MongoDB, MySQL, PostgreSQL, Redis, and Cassandra, handle data replication, concluding that most use a log of commands propagated to replicas.
Summary: How to use SQL LIMIT in UPDATE queries when the RDBMS doesn't allow it. And some optimization techniques for handling large data imports.
Summary: Using 'ticket servers' to manage auto-incremented unique IDs across multiple databases, a common issue when sharding databases.
Summary: A review of the book 'PHP 5 Social Networking', by Michael Peacock.