Step-by-step instructions carefully walk you through the most common SQL tasks. Quizzes and Exercises at the end of each chapter help you test your knowledge. By the Way notes this interesting information related to the discussion. Did You Know? raw database to be logically organized in a table Edit relational data and tables with DML Managing database transactions Write effective, well done Categorize query, summarize, sort, group, and restructure data Working with date and time Join tables in queries, subqueries are used, and Teachers combine several powerful query database query optimization techniques Administer and manage users database Use Implement effective security views, synonyms, and Extend the SQL system catalog to enterprise and Internet Master Oracle important and Microsoft SQL Server extensions to ANSI SQL