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OCA Oracle Database SQL Exam Guide (Exam 1Z0-071) by Steve O'Hearn (Book, 2017)

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A fully updated, integrated self-study system for the SQL Certified Expert Exam This thoroughly revised Oracle Press guide offers 100% coverage of all 18 objectives on the latest version of the Oracle Database SQL Expert exam. Ideal both as a study guide and on-the-job reference, Oracle Database 12c: SQL Certified Expert Exam Guide, Second Edition (Exam 1Z0-047) features detailed explanations, examples, practice questions, and chapter summaries. Certification Objectives, Exam Watch, and On the Job sections reinforce salient points throughout. You will gain access to two complete practice exams that match the tone, tenor, and format of the live test. Get complete coverage every topic on exam 1Z0-047, including: * DDL and SQL SELECT statements * Manipulating, restricting, and sorting data * Single-row and group functions * Displaying data from multiple tables * Subqueries * Schema objects * Set operators * Grouping related data * Report creation * Data dictionary views * Large data sets * Hierarchical retrieval * Regular expression support * User access control On the CD-ROM: * Two full practice exams * Detailed answers and explanations * Complete PDF copy of the book