Download Oracle Database 11g? Underground Advice for Database by April Sims PDF

By April Sims

A real-world DBA survival advisor for Oracle 11g database implementations with this booklet and eBook.

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Separating the variable part of the script into its own configuration file There are scripts that will need some variables set, but you don't necessarily want to use the profile to set a variable at every login. The variables may need to contain commands specific to applications such as RMAN, SQL*Plus or specific to certain tasks. This is where a configuration file comes in handy, which is a personal preference as to what you call them. Be sure not to use reserved keywords for variables, as that leads to unexpected results.

Most DBAs are assigned a database to be the primary contact when there is an outage issue on call. Outage handling usually includes something similar to the following: • Initial troubleshooting to determine the type of outage: Evaluate any automatic failover procedures to check for success. • Forecasting the amount of time before resolution: This is the point for making the decision if a manual fail over is needed. • Bringing the application or database back online: Not all failures are due to the database being down, even when that is what first appears to be the case.

How do you keep multiple installations independent of each other while reducing contention at all levels? Multiple operating system accounts are the cleanest way if implemented along with the Optimal Flexible Architecture (OFA) standards. Check out the installation guide as part of the documentation for your OS, which has quite a bit of information on how to run Oracle products with multiple accounts. Here are a few notes about variations on the multi-user system of installing Oracle software on a single server: • One OS user account per database, which would result in an increased complexity when shell scripting tasks run against a particular database.

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