Few PHP developers have any formal training in Structured Query Language or set theory and are amazed they write database queries that perform poorly. This session covers basic set theory, shows how to use simple Venn Diagrams to create JOINS, how to avoid the N+! problem, data scrubbing, and how to let the database do the heavy lifting. Is you use a database as a data store you need to be in this session as it will save you time and effort in the future.
Session Category : Regular Talk Session