oracle data guard 12c

is used when inserting the default value. SQL>Select* fromSequence_test_tab; ID----------1 2 10000SQL>SelectCOUNT (*) fromSequence_test_tab; COUNT (*)----------5SQL>--when inserting data, if the column is not specified, the sequence value is also used to insert the ALTER TABLE Sequence_test_tab Add (col_2 number) by default; INSERT INTO Sequence_test_tab ( col_2) VALUES ( About); SQL>Select* fromSequence_test_tab; ID col_2---------- -----

Tags: how app size logical physical shadow date jdb everThis article describes how to synchronize data from MySQL to Oracle via ODI.1. Define the physical architecture1.1 Creating a new MySQL data serverTopology->physical Architecture->mysql, right-click to select New Data Server and enter the relevant information in t

Tags: start mount direct CTI increment ATI line Gap ASEFirst, describeDB version: 12.1.0.2System version: 7.0 Second, the processing process1, error, the database starts on the instance will be abnormally terminated ORA-00312: online log 3 thread 1: ‘+DATADG/ORCLDG/ONLINELOG/group_3.403.962961193‘ ORA-00312: online log 3 thread 1: ‘+DATADG/ORCLDG/ONLINELOG/group_3.405.962961193‘ Mon Jan 08 13:35:53 2018 USER (ospid: 15155): terminating the instance due to error 16014 Mon Jan 08 13:35:53 2018 Sys

table is automatically added to thein-memory Area, compression and other genera.Optimizer_inmemory_awareSaidOptimizerWhether theinmemorySupport. Inmemory_sizeis a static parameter, the change requires that the instance be restarted to take effect. provided to in memory is used from SGA is allocated in the space, dividing a single area of memory to im-memeory function using . Called in-memory area , in-memory the larger the memory area, the better, so that more

Tags: con_idThe attentive little companion could find that we were in Gv$pdbs, and did not find con_id=1,con_id=0In fact, if you take a careful guess, you should be able to guess:Because CDB is made up of root container,seed pdb container,0 or multiple PDB container.Query Official Document V$PDBS view:con_idThe ID of the container to which the data pertains. Possible values include:? 0:this value is used for rows containing

Oracle new features 4-maintenance, upgrade, recovery and data pump, and oracle New Features 1. Contents 1) enhanced table partition maintenance. 2) Database Upgrade and improvement. 3) Restore/restore data files across networks. 4) Data Pump enhancement. 5) Real-time ADDM. 6

Oracle New Feature 4-maintenance, upgrade, recovery and Data Pump 1. Contents 1) enhanced table partition maintenance. 2) Database Upgrade and improvement. 3) Restore/restore data files across networks. 4) Data Pump enhancement. 5) Real-time ADDM. 6) collect concurrent statistics. 2. Enhanced table partition Maintenanc

export data rowsEXP (rows=y Export data rows, rows=n do not export data rows)EXPDP content (All: Object + Export data row, Data_only: Export only Object, Metadata_only: Only records that export data)(5) EXPDP is a new feature of [10g] and can only be performed on the server

: Oracle Video Combo Tutorial Content List----------------------------------------------T01. ORACLE11GR2 Rac+dataguard Installation Implementation Maintenance 2+1_ DB cluster disaster recovery videoT02. Wind Brother complete Oracle database project combat [involving Rac,dataguard,asm,udev,linux,win]T03. Wind Brother Oracle RAC 11gr2+weblogic cluster 6 node Projec

At this time, I found a good document for recovery and backup. I only wanted to start Oracle database development. So I only studied logminer. Others for the moment, but only excerpted some of them. Oracle availability plan: • Computer faults: Quick Start of fault recovery, real Application Clusters (RAC), data guard,

Label:Oracle Database Logic export EXP DMP file corruption, extracting data from the table in the DMP file through unconventional recovery In some cases, the exp DMP file is damaged for some reason (such as a disk exception, exp process corruption, etc.), resulting in IMP import cannot continue, the following processing method (directly read the DMP file) to the DMP file for salvage recovery, minimize loss of data