Ramklass, Roopesh OCA Oracle Database 12c : SQL fundamentals I exam guide (Exam 1Z0-061) / Roopesh Ramklass - New York : McGraw-Hill, 2014 - xxii, 550 p. : ill. ; 23 cm. + 1 CD-ROM Includes index ISBN: 9780071820288 (set : pbk.) 9780071820271 (book : pbk.) Subjects--Uniform Titles: Oracle (Computer file)--Examinations Subjects--Topical Terms: Electronic data processing personnel--Certification--Study guides