TAILIEUCHUNG - Oracle® Database Reference

Manual Locking Under some circumstances, a user might want to override default locking. Oracle allows manual override of automatic locking features at both the row level (by first querying for the rows that will be updated in a subsequent statement) and the table level. Quiesce Database Database administrators occasionally need isolation from concurrent non-database administrator actions, that is, isolation from concurrent non-database administrator transactions, queries, or PL/SQL statements. One way to provide such isolation is to shut down the database and reopen it in restricted mode. You could also put the system into quiesced state without disrupting users. In quiesced. | ORACLE Oracle Database Reference 10g Release 2 B14237-04 April 2009 Oracle Database Reference 10g Release 2 B14237-04 Copyright 2002 2009 Oracle. All rights reserved. Primary Author Kathy Rich Contributors Nipun Agarwal Rick Anderson Mark Bauer Ruth Baylis Neerja Bhatt Tudor Bosman George Candea Wilson Chan Sumanta Chatterjee Eugene Chong Connie Dialeris Green Harvey Eneman Bruce Ernst Ira Greenberg Steve Harris Thuvan Hoang Lilian Hobbs Namit Jain Hakkan Jakobsson Bob Jenkins Mark Johnson Jonathan Klein Sushil Kumar Tirthankar Lahiri Bill Lee Yunrui Li Juan Loaiza Rich Long Diana Lorentz Catherine Luu Neil MacNaughton Tony Morales Ari Mozes Gopal Mulagund Subramanian Muralidhar Ravi Murthy Karuna Muthiah Arvind Nithrakashyap Ronald Obermarck Kant Patel Christopher Racicot Mark Ramacher Shankar Raman Suvendu Ray Ann Rhee Vivian Schupmann Debbie Steiner Seema Sundara Juan Tellez Alex Tsukerman Kothanda Umamageswaran Randy Urbano Steve Vivian Eric Voss Tak Wang Steve Wertheimer Andy Witkowski Daniel Wong Graham Wood Brian Wright Aravind Yalamanchi Qin Yu Mohamed Ziauddin This software and related documentation are provided under a license agreement containing restrictions on use and disclosure and are protected by intellectual property laws. Except as expressly permitted in your license agreement or allowed by law you may not use copy reproduce translate broadcast modify license transmit distribute exhibit perform publish or display any part in any form or by any means. Reverse engineering disassembly or decompilation of this software unless required by law for interoperability is prohibited. The information contained herein is subject to change without notice and is not warranted to be error-free. If you find any errors please report them to us in writing. If this software or related documentation is delivered to the . Government or anyone licensing it on behalf of the . Government the following notice is applicable . GOVERNMENT RIGHTS Programs .

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