ERROR at line 1: ORA-01562: failed to extend rollback segment number 4 ORA-01650: unable to extend rollback segment R03 by 640 in tablespace RBS1 ORA-06512: at "SYSTEM.PREFORMANCETESTTING", line 14 ORA-06512: at line 1 Solution: The rollback seg
Rowid and Rownum basic for database developers rarely used, because in the enterprise database development, data are mostly batch, but for other database staff is still used. rowid and rownum are false statement, but an entirely different meaning. ro
previous versions, rownum, database developers, absolute value, storage location, physical address, syntax errors, location id, table space, physical storage, b tree, different meaning, fno, database staff, relative value, segment number, enterprise database development, oracle rowid, physical presence, internal algorithmsMarch 16
SELECT A. OWNER program name, A. OBJECT_NAME table name, B. XIDUSN rollback segment number, B. XIDSLOT slot number, B. XIDSQN serial number, B. SESSION_ID lock table SESSION_ID, B. ORACLE_USERNAME lock table user name, decode (D.type, 'XR', 'NULL', '
object id, session id, process id, os user, host address, server c, b process, address c, c server, logon time, rollback segment, session c, sid c, serial c, segment number, slot number, c status, c terminal, sertal, owner programNovember 29
Redundant array of independent disks (RAID, Redundant Array of Independent Disks) referred to as disk arrays, the basic idea is that the number of relatively inexpensive hard drives together into a disk array group, so that more than one performance
fault tolerance, processing capacity, storage unit, level description, logical storage, disk array, software raid, disk arrays, raid 0, disk raid, raid level, raid 5, redundant array of independent disks, segment number, raid 1, raid 10, disk performance, raid 7, raid performance, 150mbNovember 6
Memory management usually include: page-management and-stage management, section pages-style management. 1. Page-style management to the process, the basic principle of the virtual space is divided into several equal length pages (page), page-style m
memory allocation, page style, basic principle, memory address, physical memory, memory addresses, data segments, memory access, independent program, storage protection, code segments, memory segment, logical function, external fragmentation, style management, page management, segment table, segment number, management notes, mapping agenciesOctober 25
Installation Preparation: 1. First of all to root user login, edit number with memory allocation-related system parameters. # vi /etc/system set shmsys:shminfo_shmmax=4294967295( To oracle maximum memory is set to 2G) set shmsys:shminfo_shmmin=1 set
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TCP / IP network protocol Network protocol that the network (including Internet) delivery, management information  Some norms. As the exchange between people is the need to follow certain rules, computers communicate with each other between the ne
chinese translation, transmission format, network communication, computer data, communication protocol, network protocol, network protocols, protocol internet, network communications, transmission control protocol, internet protocol, protocol network, ip network, segment number, ip transmission, internet delivery, envelope surface, tcp package, surface record, delivery managementJune 7
System query interrupt or slow, the system hangs, system downtime and so failure occurs, the analysis process is as follows: (1) of alert_ <sid>. Log file from the file of failure occurred at a time, the phenomenon of the log, trace files (*. trc).
data storage, parameter description, sql statement, configuration error, pool size, system failure, table space, r04, fault system, oracle7, system downtime, rollback segments, rollback segment, allocation system, script oracle, segment number, system query, pool store, storage buffer, compatible versionsMay 28
Rowid and Rownum essential for database developers rarely used because most of the enterprise database development in the data are batch, but for other databases is still used in personnel. rowid and rownum are falsified, but an entirely different me
absolute address, fragment, previous versions, key technology, database developers, multiple files, absolute value, storage location, physical address, segment data, physical storage, b tree, different meaning, internal algorithm, addressing mode, fno, relative value, segment number, enterprise database development, oracle rowidMay 9
192.168.1.5/20 The IP segment starting address and ending address what is, in this paragraph the number of hosts? ... ... Now I talk to a simple question. In fact, this is a division of Ultra on the network, subnet, many times we are confused by 192.
hosts, paragraph, 8 bits, ip addresses, 00000000, ip address, 192 168 1 1, subnet mask, host id, binary numbers, network segments, host number, ip network, segment number, 11110000, different numbersMay 1