Oracle SQL Jumpstart with Examples doc
Oracle SQL Jumpstart with Examples doc
... 175
Set Operators 176
7.1.6 Pseudocolumns 176
Sequences 176
The ROWID Pseudocolumn 177
The ROWNUM Pseudocolumn 178
7.1.7 Joins 179
How to Code Joins in SQL Code 179
How Oracle Joins Tables 181
How ... clustering with
Oracle RAC, and Oracle Automated Storage Management (ASM). RAID
arrays underlie an Oracle database and are, thus, the domain of the operat-
ing system and not the dat...
Tài liệu Oracle SQL Jumpstart with Examples- P1 docx
...
Oracle SQL Jumpstart with Examples
!
The title of this book was originally Oracle SQL Reference, but during
the writing process, we set our hearts on the new title
Oracle SQL Jumpstart
with ... easy to understand examples.
Frankly, I have not
come across any other book on SQL that is as good a compilation of SQL
concepts in a single source.
Oracle SQL Ju...
Tài liệu Oracle SQL Jumpstart with Examples- P3 docx
... and physical struc-
ture of Oracle Database plus new features available in both Oracle Database
10g and Oracle Database 9i. Now it’s time to begin looking into Oracle
SQL itself. The next chapter ... SQL when using table aliases.
Many of the examples in this book use table aliases. In this case, the letter
S
is used for the table alias:
Figure 4.4
Three Column
Aliases,...
Tài liệu Oracle SQL Jumpstart with Examples- P4 docx
... session and can only be used with SQL* Plus
tools (i.e., SQL* Plus, SQL* Plus Worksheet, and iSQL*Plus).
Look at the entire list by running the following statement in SQL* Plus
Worksheet:
SHOW ALL
... and
reports. Examples in this book use both SQL* Plus Worksheet and
SQL* Plus. SQL* Plus Worksheet is more of an end-user tool. A final part of
this chapter shows some brief example...
Tài liệu Oracle SQL Jumpstart with Examples- P5 docx
... Web browser and the server.
8.4.2 iSQL*Plus versus SQL* Plus
The main features of iSQL*Plus are similar to the features of SQL* Plus or
SQL* Plus Worksheet:
Enter SQL commands in a box and click ... hostname as appropriate.
The file called ORACLE_ APACHE.CONF in the
$ORACLE_ HOME/Apache/Apache/conf directory must include
the file ISQLPLUS.CONF in the ORACLE_ HOME/sqlplus/admin
direc...
Tài liệu Oracle SQL Jumpstart with Examples- P8 docx
... ARTIST_COUNTRY=
(SELECT COUNTRY FROM ARTIST A
WHERE A.NAME = T.ARTIST_NAME);
SQL* Plus Worksheet will reply, “13 rows updated.”
Note: Updated rows must comply with any constraints defined for a table.
If one row does ... final section in this chapter discusses the MERGE command, a new
feature of Oracle Database 9i and much improved in Oracle Database 10g.
Figure 15.15
Three Rows Were
De...
Tài liệu Oracle SQL Jumpstart with Examples- P10 docx
... views include a
wide variety of queries. Two common ones are views with joins and views
with inline subqueries.
19.3.3.1 Views with Joins
Let’s dive right in by creating a complex view that ... section, we deal with Oracle Database metadata
data dictionary views.
19.5.1 Querying a View
A query on a view looks just like a query on a table. Behind the scenes,
however, the Or...
Tài liệu Oracle SQL Jumpstart with Examples- P11 doc
... proper Oracle SQL code and general
success of applications. The next chapter covers sequences and synonyms.
21.4 Endnotes
1. Oracle Performance Tuning for 9i and 10g (ISBN: 1-55558-305-9)
2. Oracle ... the CURRVAL and NEXTVAL Pseudocolumns
Whenever referring to a sequence within a session, use of the CURRVAL
pseudocolumn must be preceded by using the NEXTVAL pseudocolumn.
NEXTVAL in...
Tài liệu Oracle SQL Jumpstart with Examples- P13 docx
...
A.9
SONGANDTRACK .SQL 579
Appendix A
COMMIT;
SPOOL OFF;
A.9 SONGANDTRACK .SQL
SPOOL log/SONGANDTRACK.LOG;
SET ECHO OFF
Soak up the Sun by ... PDF Split-Merge on www.verypdf.com to remove this watermark.
570
A.3
SCHEMAOLTP .SQL
A.2 CREATEUSER .SQL
SPOOL log/CREATEUSER.LOG;
DROP USER MUSIC CASCADE;
CREATE USER MUSIC IDENTIFIED ... watermark.
A.10
GUESTARTIST .SQL 599
A...
Tài liệu Oracle SQL Jumpstart with Examples- P15 docx
... 30
Windows-like functions, 30
See also SQL tools
SQL tools, 19–34
iSQL*Plus, 19, 31–34
SQL* Plus Command Line, 19–24
SQL* Plus Windows, 19, 24–28
SQL* Plus Worksheet, 19, 28–31
SQL/ XML standard, 363–72
SQRT ... of, 19
in Windows 2000, 22
See also SQL tools
SQL* Plus Windows, 24–28
menu, 26
screen illustration, 27
scroll bar, 26
steps, 24–28
use of, 19
See also SQL tools
SQL* Pl...