01.09.2016 Views

Beginning Oracle Database 11g Administration From Novice to Professional

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

CHAPTER 9 TAKING CONTROL 199<br />

Summary<br />

Here are some of the key points <strong>to</strong>uched on in this chapter:<br />

<br />

Both are web- based <strong>to</strong>ols. <strong>Database</strong> Control is used <strong>to</strong> manage a single database,<br />

whereas Grid Control is used <strong>to</strong> manage multiple databases. You can accomplish<br />

most DBA tasks—from mundane tasks such as password resets and creating indexes,<br />

<strong>to</strong> complex tasks such as backup and recovery—by using Enterprise Manager instead<br />

of command- line <strong>to</strong>ols such as SQL*Plus.<br />

tra<strong>to</strong>rs<br />

will find it very useful. Common uses are examining the structure of a table<br />

and checking the execution plan for a query. It can also be used <strong>to</strong> perform some<br />

typical database administration tasks such as identifying and terminating blocking<br />

sessions.<br />

<br />

information about a database and its host system. RDA organizes the information<br />

it gathers in<strong>to</strong> an HTML framework for easy viewing; it is a wonderful way <strong>to</strong> document<br />

all aspects of a database system.<br />

<br />

user data. This collection of tables is called the data dictionary. The information in<br />

the data dictionary tables is very cryptic and condensed for maximum efficiency<br />

during database operation. The data dictionary views are provided <strong>to</strong> make the<br />

information more comprehensible <strong>to</strong> the database administra<strong>to</strong>r.<br />

Exercises<br />

<br />

about your database:<br />

<br />

<br />

<br />

<br />

<br />

date<br />

more data?

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!