MySQL SELECT Statement 101
Aug 27, 2010, 19:34 (0 Talkback[s])
(Other stories by Rob Gravelle)
"The SELECT statement is without question the most complex
amongst MySQL's data manipulation statements. This article covers
the syntax of the SELECT statement, exploring its many optional
clauses.
"The SELECT statement is without question the most complex
amongst MySQL's data manipulation statements. Not surprising when
you consider that the foremost purpose of structured query language
(SQL) is to retrieve information from a relational database which
adheres to a given criteria. Entire books have been written about
how to construct a query to fetch the data that you're after.
That's not the purpose of this article. Our goal will be to cover
the syntax of the SELECT statement and gain an understanding of its
many optional clauses. We'll start at the beginning and work our
way through them. When we're done, you'll understand which clauses
to use for different purposes. We'll leave the twenty table joins
for another day.
"Here's some code to create and populate a couple of tables. If
you've been following my data manipulation statements series thus
far, you'll recognize them as the same ones that we've used
previously."
Complete Story
Related Stories: