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Using MySQL – Manipulating Data

(Keith Brown) In the previous MySQL Virtual Workshops we have looked at logging into MySQL, creating tables, adding and selecting data using SQL statements. In this Workshop we will continue to look at other SQL commands, specifically updating and deleting, and revisit the SELECT command to examine

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An introduction to XQuery

(Howard Katz) After six long years moving along the W3C’s Recommendation track, the XQuery specification is taking on much of the mythic and enduring look of a Hollywood franchise — “Star Wars” and the “Lord of the Rings” series come to mind. XQuery had its origins in a W3C-sponsored query language

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Creating XML with Ruby and Builder

(Michael Fitzgerald) Since the advent of Ruby on Rails last year, interest in the Ruby programming language seems to have grown steadily. Rails has helped the masses see what Ruby is: an elegant, easy-to-learn, and fun-to-use language, suitable even for industrial-strength applications. Ruby has bee