Book Giveaway & Chapter Download: Mastering Oracle Scheduler in Oracle 11g Databases

Oracle Scheduler does a lot of out of the box things, and if the demands are not too high, Oracle Scheduler can cover most of the situations. When your application has to run many thousands of jobs in an hour and log them over a long period, a little more attention is needed. In cases where the demands are high, we need to take care of a few more things to keep the system happy. What we need to do depends on how the Scheduler is used and what kind of load it is supposed to handle.

In this chapter, we will take a closer look at how we can control this beast. We will take a look at the privileges for job creation, job execution, and Scheduler management. We will also examine how to control logging retention and find a way to prevent jobs from running when the database starts.

Job Creation

Like most object types in the database, as seen at the beginning of Chapter 1, Oracle enables us to create Scheduler objects. The privileges create job and create external job are very important. They should normally be used when building an application system . Also, there is a create any job privilege, which can be useful when you need to create a job in a different schema. Normally, this privilege should not be granted to anyone. It will allow the grantee to run an arbitrary code on any schema, which is not particularly desirable. Instead, just log on to the correct schema and perform the tasks using the correct privileges.

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Build and Secure Java Applications with Packt’s new book on JBoss AS

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Co-author Of Apache Tomcat Book Recommends Excelsior JET For Protection Of Java Web Applications

Co-author Of Apache Tomcat Book Recommends Excelsior JET For Protection Of Java Web Applications Excelsior’s solution employs native compilation to prevent reverse engineering and improve security of Web applications code. Read more on PRWeb via Yahoo! News

Develop professional enterprise Java EE applications quickly and easily with NetBeans IDE using a book by Packt

This book shows you how to use NetBeans functionality to automate many of the tedious or repetitive tasks frequently encountered when developing enterprise Java applications, freeing up the developer to focus on the business logic specific parts of the application. Java EE, the successor to J2EE, greatly simplifies the development of enterprise applications. The popular … Read more