Dataguard
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https://docs.oracle.com/cd/B14117_01/server.101/b10823/toc.htm


https://docs.oracle.com/database/122/nav/high-availability.htm --- ORacle books for gettting more information of more technology

https://docs.oracle.com/cd/E17781_01/server.112/e18804/network.htm#ADMQS156


http://docs.oracle.com/en/database/   -- go to this url , you will get dropbox where u choose what database version document you want. ENJOY.


https://jakevdp.github.io/PythonDataScienceHandbook/index.html. --+ python






https://galileosuite.com/tutorials/relinking-oracle-binaries/ ---- Oracle relink well explained

how to check logs while database is being created via OUI

/u01/app/oracle/cfgtoollogs/dbca/primary ---- where primary is oracle_sid

https://docs.oracle.com/cd/E17781_01/server.112/e18804/memory.htm#ADMQS174 - good document over memmory

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error :

[INS-41813] OSDBA for ASM, OSOPER for ASM, and OSASM are the same OS group.
[INS-41875] Oracle ASM Administrator (OSASM) Group specified is same as the users primary group.

what is this error.


http://www.hhutzler.de/blog/install_rac_11203_with_gns/#Fixing_a_failed_GRID_Installation - rac with dns



https://docs.oracle.com/database/121/CWLIN/usrgrps.htm#CHDHBDIJ - oracle user id and roles admininistartion --- check once



https://aprakash.wordpress.com/2010/08/14/silly-and%C2%A0interesting-v/ --- OS authentication



https://docs.oracle.com/cd/B28359_01/backup.111/b28270/rcmdupdb.htm#BRADV89938 --- rman duplicate


http://docs.oracle.com/cd/E25178_01/backup.1111/e10642/rcmadvre.htm ---- 11,2 for backup and recovery


http://docs.oracle.com/cd/B19306_01/backup.102/b14191/rcmrecov.htm#BRADV008 --- awesome rman senario


http://docs.oracle.com/cd/B19306_01/backup.102/b14192/recov003.htm#BRBSC50002 --
http://docs.oracle.com/cd/B19306_01/backup.102/b14192/recov003.htm#BRBSC50002 --- good backup senarios


https://bigdatauniversity.com/courses/  -----

For free big data hadoop training.