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Setting Up Your Environment In this section, I cover how to set up an environment capable of executing the examples in this book, specifically with regard to the following topics: • How to set up the SCOTT/TIGER demonstration schema properly • The environment you need to have up and running • How to configure AUTOTRACE, a SQL*Plus facility • How to install Statspack • How to install and run runstats and other custom utilities used throughout the book • The coding conventions used in this book All of the non-Oracle-supplied scripts are available for download from the Source Code section of the Apress web site (http://www.apress.com). Setting Up the SCOTT/TIGER Schema The SCOTT/TIGER schema may already exist in your database. It is generally included during a typical installation, but it is not a mandatory component of the database. You may install the SCOTT example schema into any database account—there is nothing magic about using the SCOTT account. You could install the EMP/DEPT tables directly into your own database account if you wish. Many of the examples in this book draw on the tables in the SCOTT schema. If you would like to be able to work along with them, you will need these tables as well. If you are working on a shared database, it is advisable to install your own copy of these tables in some account other than SCOTT to avoid side effects caused by other users using the same data. To create the SCOTT demonstration tables, simply 1. cd [ORACLE_HOME]/sqlplus/demo. 2. Run demobld.sql when connected as any user. ■Note In Oracle 10g and later, you must install the demonstration subdirectories from the companion CD. I have reproduced the necessary components of demobld.sql later as well. xxv
xxvi ■SETTING UP YOUR ENVIRONMENT demobld.sql will create and populate five tables for you. When it is complete, it exits SQL*Plus automatically, so don’t be surprised when SQL*Plus disappears after running the script—it is supposed to do that. The standard demo tables do not have any referential integrity defined on them. Some of my examples rely on them having referential integrity. After you run demobld.sql, it is recommended that you also execute the following: alter table emp add constraint emp_pk primary key(empno); alter table dept add constraint dept_pk primary key(deptno); alter table emp add constraint emp_fk_dept foreign key(deptno) references dept; alter table emp add constraint emp_fk_emp foreign key(mgr) references emp; This finishes off the installation of the demonstration schema. If you would like to drop this schema at any time to clean up, you can simply execute [ORACLE_HOME]/sqlplus/demo/ demodrop.sql. This will drop the five tables and exit SQL*Plus. In the event you do not have access to demobld.sql, the following is sufficient to run the examples in this book: CREATE TABLE EMP (EMPNO NUMBER(4) NOT NULL, ENAME VARCHAR2(10), JOB VARCHAR2(9), MGR NUMBER(4), HIREDATE DATE, SAL NUMBER(7, 2), COMM NUMBER(7, 2), DEPTNO NUMBER(2) ); INSERT INTO EMP VALUES (7369, 'SMITH', 'CLERK', 7902, TO_DATE('17-DEC-1980', 'DD-MON-YYYY'), 800, NULL, 20); INSERT INTO EMP VALUES (7499, 'ALLEN', 'SALESMAN', 7698, TO_DATE('20-FEB-1981', 'DD-MON-YYYY'), 1600, 300, 30); INSERT INTO EMP VALUES (7521, 'WARD', 'SALESMAN', 7698, TO_DATE('22-FEB-1981', 'DD-MON-YYYY'), 1250, 500, 30); INSERT INTO EMP VALUES (7566, 'JONES', 'MANAGER', 7839, TO_DATE('2-APR-1981', 'DD-MON-YYYY'), 2975, NULL, 20); INSERT INTO EMP VALUES (7654, 'MARTIN', 'SALESMAN', 7698, TO_DATE('28-SEP-1981', 'DD-MON-YYYY'), 1250, 1400, 30); INSERT INTO EMP VALUES (7698, 'BLAKE', 'MANAGER', 7839, TO_DATE('1-MAY-1981', 'DD-MON-YYYY'), 2850, NULL, 30); INSERT INTO EMP VALUES (7782, 'CLARK', 'MANAGER', 7839, TO_DATE('9-JUN-1981', 'DD-MON-YYYY'), 2450, NULL, 10); INSERT INTO EMP VALUES (7788, 'SCOTT', 'ANALYST', 7566, TO_DATE('09-DEC-1982', 'DD-MON-YYYY'), 3000, NULL, 20); INSERT INTO EMP VALUES (7839, 'KING', 'PRESIDENT', NULL, TO_DATE('17-NOV-1981', 'DD-MON-YYYY'), 5000, NULL, 10); INSERT INTO EMP VALUES (7844, 'TURNER', 'SALESMAN', 7698,
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■CONTENTS v Block Buffer Cache .
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338 CHAPTER 10 ■ DATABASE TABLES
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CHAPTER 13 ■ PARTITIONING 601 OLT
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CHAPTER 13 ■ PARTITIONING 603 5 s
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CHAPTER 13 ■ PARTITIONING 605 Sur
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CHAPTER 13 ■ PARTITIONING 607 On
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CHAPTER 13 ■ PARTITIONING 609 Row
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CHAPTER 13 ■ PARTITIONING 611 So,
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CHAPTER 13 ■ PARTITIONING 613 Aud
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CHAPTER 14 ■ ■ ■ Parallel Exe
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 14 ■ PARALLEL EXECUTION 6
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CHAPTER 15 ■ ■ ■ Data Loading
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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CHAPTER 15 ■ DATA LOADING AND UNL
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706 ■INDEX autonomous transaction
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708 ■INDEX CREATE ANY DIRECTORY f
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710 ■INDEX dedicated server, 57-5
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712 ■INDEX flat files, 66, 113-14
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714 ■INDEX job queue coordinator
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716 ■INDEX MAXTRANS parameter, 21
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718 ■INDEX parameter files (PFILE
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720 ■INDEX REUSE option, 97 REUSE
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722 ■INDEX System Global Area (SG
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724 ■INDEX utility background pro
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