Oracle Database 11g Underground Advice for Database by April Sims
By April Sims
This day DBAs are anticipated to set up and deal with huge databases with caliber provider and little to no downtime. The DBA’s major concentration is on expanding productiveness and putting off idle redundancy during the firm. notwithstanding, there is not any magic set of most sensible practices or difficult and quickly ideas that DBAs have to stick with, and this may make lifestyles tricky. but when DBAs persist with a few simple ways and top practices, initiatives could be played extra successfully and effectively.This survival consultant deals formerly unwritten underground suggestion for DBAs. the writer offers large info to light up the place you slot in, and runs via a number of the projects you'll want to be watchful of, widely masking suggestions to the commonest difficulties encountered through newbies to the area of Oracle databases.The ebook will speedy introduce you for your activity duties, in addition to the talents, and skills had to be winning as a DBA. it's going to provide help to triumph over universal difficulties and proactively hinder mess ups by means of imposing disbursed grid computing-scalable and robust-with the power to redeploy or rearchitect while company wishes swap. lessen downtime throughout your corporation via standardizing undefined, software program, instruments, utilities, instructions, and architectural parts.
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Extra resources for Oracle Database 11g Underground Advice for Database Administrators
The fi indicates where the end of this section of code should stop. sql generates a file that is then run by SQL*Plus, which demonstrates the capability to run certain host commands from within the database. ) to indicate host commands. The Oracle user will be limited to executables that are in the $PATH and have the appropriate file permissions. This ability to use SQL*Plus to generate SQL commands as well as execute OS commands by embedding SQL syntax in a script is a powerful tool for a DBA.
The FRA is meant for the storage of any type of backup, recovery, or flashback technologies when used in conjunction with an Oracle database. This type of implementation puts the majority of the files on a single originating mount point, such as /u01. If you implement Oracle's Automatic Storage Management (ASM), then it would make sense to install all of the components in a single disk location or any other storage method for using multiple disks as a single unit of space. ASM is a logical volume manager on top of the physical disks; it presents those logical volumes as disk groups.
While it provides additional flexibility in adding storage, most often it requires additional resources (time, personnel expertise) to install, configure, and maintain. There are also ASM-related changes to account for in most of the database maintenance tasks, backup and recovery routines, and Data Guard, among others. XWINDOWS and GUI displays Nowadays Unix hardware is more often headless in racks, and because of the missing components, there is no need to sit at the server anymore to run any type of GUI display such as the OUI, NETCA, or DBCA utilities.