Book excerpt: Beginning with an explanation of the certification process and working toward fundamental exam objectives, this guide gives test-takers all they need to know to pass the DB2 10.1 Fundamentals certification exam (Exam 610). Each chapter is followed by an extensive set of practice questions that mirror the questions found on the exam and detailed answers that explain why the chosen answer is correct and why the others are wrong. Additional topics covered include database objects, working with data using SQL and XQuery, working with DB2 tables, views and indexes, and data concurrency. Complete with a practice exam and answer key containing full explanations of correct answers, this is the ultimate resource for those who plan to earn their DB2 10.1 Fundamentals certification.