Preface

Bold

Bold typeface indicates terms that are defined in the text or terms that appear in a glossary, or both.

When you specify thi s clause, you create an index-organized table.

Italics

Italic typeface indicates book titles or emphasis.

Oracle Database Concepts

Ensure that the recovery cata log and target database do not reside on the same disk.

UPPERCASE monospace (fixed-width) font

You can specify this clause only for a NUMBER column.

You can back up the database by using the BACKUP command.

Query the TABLE _NAME column in the USER_TABLES data dictionary view.

Use the DBMS_ STATS.GENERATE_STATS procedure.

lowercase monospace (fixed-width) font

Lowercase monospace typeface indicates executables, filenames, directory names, and sample user-supplied ele ments. Such elements include computer and database names, net service names, and connect identifiers, as well as user-supplied databa se objects and structures, column names, packages and classes, usernames and roles, program units, and parameter values.

Note: Some programmatic elements use a mixture of UPPERCASE and lowercase. Enter these elements as shown.

Enter sqlplus to open SQL*Plus.

The password is specified in the orapwd file.

Back up the datafiles and control files in the /disk1/oracle/dbs directory.

The department_id, department_name, and location_id columns are in the hr.de partments table.

Set the QUERY_REWRITE_ENABLED initialization parameter t o true.

Connect as oe user.

The JRepUtil class implements these methods.

Lowercase italic monospace font represents placeholders or variables.

[ ]

Brackets enclose one or more optional items. Do not enter the brackets.

DECIMAL (digits [ , precision ])

|

A vertical bar represents a choice of two or more options within brackets or braces. Enter one of the options. Do not enter the vertical bar.

{ENABLE | DISABLE}
[COMPRESS
| NOCOMPRESS]

...

Horizontal ellipsis points indicate either:

• That we have omitted parts of the code that are not directly related t o the example
• That you can repeat a portion of the code

 .
 .
 .

Vertical ellipsis points indicate that we have omitted several lines of code not directly related to the example.

Oth er notation

You must enter symbols other than brackets, braces, ve rtical bars, and ellipsis points as shown.

acctbal NUMBER(11,2);

acct    CONSTANT NUMBER(4) := 3;

CONNECT SYSTEM/system_password
DB_NAM
E = database_name

UPPERCASE

Uppercase typefac e indicates elements supplied by the system. We show these terms in uppercase in order to distinguish them from terms you define. Unl ess terms appear in brackets, enter them in the order and with the spelling shown. However, because these terms are not case sensitiv e, you can enter them in lowercase.

SELECT last_name, employee_i
d FROM 
employees;
SELECT * FROM USER_TABLES;
DROP TABLE hr.employees;

Choose Start &g t;

How to start a program.

To start the Database Configuration Assistant, choose Start > Programs > Oracle - HOME_NAME > Configuration and Migration Tools > Database Configuration Assistant.

File and directory names

c:\winnt"\"system32 is the same as 
C:\WINNT\SYSTEM32

Represents the Windows command prompt of the current hard disk drive. The escape character in a command prompt is the caret (^). Your prompt reflects the subdirectory in which you are working. Referred to as the command prompt in this man ual.

C:\oracle\oradata>

Special characters

The backslash (\) special character is sometimes required as an escape character for the doubl e quotation mark (") special character at the Windows command prompt. Parentheses and the single quotation mark (') do not require an escape character. Refer to your Windows operating system documentation for more information on escape and special characters.

C:\>exp scott/tiger TABLES=emp 
QUERY=\"WHERE job='SALESMAN' and 
s
al<1600\"
C:\>imp SYSTEM/password FROMUSER=scott 
TABLES=(emp, dept)

H
OME_NAME

Represents the Oracle home name. The home name c an be up to 16 alphanumeric characters. The only special character allowed in the home name is the underscore.

ORACLE_HOME and ORACLE_BASE

In releases prior to Oracle8i release 8.1.3, when you installed Oracle components, all subdirectories were located under a top lev el ORACLE_HOME directory. For Windows NT, the default location was C:\orant.

This release complies with Optimal Flexible Architecture (OFA) guidelines. All subdirectories are not under a top level ORACLE_HOME directory. There is a top level directory called ORACLE_BASE that by de fault is C:\oracle. If you install the latest Oracle release on a computer with no other Oracle software installed, then the default setting for the first Oracle home directory is C:\oracle\orann, where nn is the latest release number. The Oracle home directory is located directly under ORACLE_BASE.

Go to the ORACLE_BASE\ORACLE_HOME\rdbms\admin directory.