Read Oracle Shell Scripting: Linux and UNIX Programming for Oracle book reviews & author details and more at Free delivery on qualified orders. With the expert techniques discussed in this book, Oracle database administrators can automate routine tasks to save time and money and better monitor the. Oracle Shell Scripting fulfills a unique niche for the Oracle Professional. While many books cover the installation and configuration of Oracle on UNIX and Linux .

Oracle Shell Scripting Book

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My first impression of "Oracle Shell Scripting" was not a good one. After looking for the download site for the scripts in the book I was frustrated. The first chapters . More than 50 working shell scripts for both beginners and experts give Oracle professionals a fantastic head-start on automating their administration duties and . Oracle Shell Scripting by Jon Emmons, , available at Book Depository with free delivery worldwide.

To determine inventory location, you are going to pipe the results of the cat command which displays the contents of the file to grep a utility that prints lines that match a given pattern. The —v option excludes lines that contain the given pattern. If the file does not exist, it is created. If it does exist, it is overwritten.

This time you pipe the results of the cat command to awk a pattern-scanning and processing language often used to split up variable-length fields , which essentially tokenizes the string.

The —F option directs awk to use the equal sign as the delimiter. You can iterate through such a list by utilizing the following code snippet. A for loop is used to iterate through this list, and each entry is assigned to the variable ohome and then echoed to standard out.

A variety of logs are generated by Oracle products, and you might be interested in monitoring them.

The database alert log contains messages that are critical to database operations. Log files are also generated when products are installed or deinstalled and when patches are applied.

The following script iterates over a file passed to it as an argument. If any lines are found that contain ORA-, an e-mail message is sent to a designated recipient. If the word count wc is greater than -gt zero, the contents of the if block will execute.

In this case, you are using mail send mail might also be used to send a message. If you are administering an Oracle E-Business Suite 11i application instance, you have numerous other environmental variables that can be used to locate resources.

Oracle Shell Scripting

To see a complete list in your environment, execute the following command and examine the resulting file myenv. Then the contents of the log can be moved to another file, so that only the most recent error messages will be sent via e-mail. Oracle Recovery Manager Scripts. This greatly simplifies administration on multiple platforms, because all backup scripts can be written to be run by RMAN, reducing the amount of platform-specific code.

Shell Programming and Scripting

RMAN can be called by the underlying operating system and passed a script. For example, a cold cold.

RMAN is then used to shut down the database, start up and mount the database, and proceed to back up the server parameter file and the contents of the database. The database is then opened. Any backups that are older than those specified in the retention policy are then deleted.

See the RMAN documentation to construct a backup that is relevant for your situation.

Nightly backups are commonly scheduled and run automatically. The script above could be called and the contents of standard out sent to an e-mail address with the following command: sh cold. The tnsping utility can be used to see if a given Oracle connection identifier can contact the listener.

You might run this utility to check for connection problems: tnsping ptch04 grep TNS- Database exports and imports traditional and data pump are also good candidates for the scripting of repeating processes.

Database Installation. Many of the steps involved in the setup of a database can be automated. Before you install Oracle 10g on Linux, you need to run various tests to verify the minimum required version of packages and the settings of kernel parameters.

You can query the version of a package by using the rpm command with the —q option. It contains not real files but, rather, runtime system information that can be viewed as if it resided in files. Database Monitoring. The ps command can be used to report process status and to check to see if a database, listener, script, or any other process of interest is running. The first command, ps using the -ef options for a full listing of all processes , finds all of the processes running on the server.

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You want to remove entries that refer to the grep command itself, which is being run. While the tasks we are concerned about in this book could be accomplished in any shell it is the omnipresence of the Bourne shell which makes it my favorite. Additionally since it is the foundation of many of the other popular shells much of the syntax found in this book will work in other shells. These properties make Bourne shell scripts very portable.

On occasion I may show a script in another shell such as Korn. If I do I will make a specific point to mention why that shell is used and the syntax differences. The Bourne Again Shell is also common, though not quite as common as Bourne, and the additional features provide an improved user experience. Believe me, once you are used to tab-completion and hitting the up arrow to recall a recent command you won't be able to live without them.

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If you do have a compelling reason to use a shell other than Bourne and bash go ahead. Most shells are well documented and, as mentioned above the Bourne syntax will work in many other shells as well. I strongly suggest whatever the shell you choose a shell and stick with it. The small differences between shells often end up causing the most frustration. Every time you open a command line session you will start in your default shell.I found a few short articles below. Greetings All!!

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A consolidated form of all sorts of scripts what we are using day-to-day oracle database management. With the expert techniques discussed in this book the reader will gain a functional knowledge of the building blocks of server-side shell scripting. Thanks in advance

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