The following removes orders from certain states: DELETE FROM orders WHERE state IN ('TX' , 'NY' , 'IL') AND order_date < TRUNC(SYSDATE) — 90 The following removes customer GOMEZ: DELETE FROM customers WHERE customer_id = 'GOMEZ'; ...
Complete coverage of the exam objectives, hands-on exercises, review questions, and more, this is the first and only book to offer such in-depth coverage of this challenging exam Takes into consideration that candidates must not only know ...
In each chapter, you'll find challenging exercises, practice questions, and a two-minute drill to highlight what you've learned. This authoritative guide will help you pass the test and serve as your essential on-the-job reference.
Written by an industry expert with hands-on Oracle database experience, this book not only prepares you for the OCA exams, but also for the day-to-day work world of a database administrator.
This self-study exam preparation guide for the Oracle Database 10g Database Administrator OCA certification exam contains everything you need to test yourself and pass the Exam. All Exam topics are...
Here's the book you need to prepare for the Oracle Database 10g Administration II exam, 1Z0-043. This Study Guide was developed to meet the exacting requirements of today's Oracle certification candidates.
Query 1 returns 07-MAY-2009, since the day component remains the same if possible and the month is incremented by one. ... The date precision formats include century (CC), year (YYYY), quarter (Q), month (MM), week (W), day (DD), ...
Therefore, the next time a Tuesday occurs will be five days later, on 06-JAN-2009. ... The date precision formats include century (CC), year (YYYY), quarter (Q), month (MM), week (W), day (DD), hour (HH), and minute (MI).
Everything a DBA needs to know in one volume--this is the must-have reference for anyone working with the Oracle database, and it’s been fully revised and updated for Oracle Database 10g.
This authoritative guide will help you pass the test and serve as your essential on-the-job reference.
Here is what you’ll findinside this book: Full coverage of all exam objectives in a systematic approach,so you can be confident you’re getting the instruction youneed for the exam Practical written labs to reinforce critical skills Real ...