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Oracle in a Nutshell
book

Oracle in a Nutshell

by Rick Greenwald, David C. Kreines
December 2002
Intermediate to advanced content levelIntermediate to advanced
928 pages
85h 29m
English
O'Reilly Media, Inc.
Content preview from Oracle in a Nutshell

SUBSTR . . .

SUBSTR (string, m [,n])

Searches string and returns the substring that is n characters long, beginning in postion m offset from the left end of the string. SUBSTR can take the following forms:

SUBSTR

Uses standard character set.

SUBSTRB

Uses input character set.

SUBSTRC

Uses Unicode complete characters (new with Oracle9i).

SUBSTR2

Uses UCS2 codepoints (new with Oracle9i).

SUBSTR4

Uses UCS4 codepoints (new with Oracle9i).

The offset parameter for the SUBSTR function is 1-based, meaning the first is referred to as 1, the second as 2, and so on.

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Publisher Resources

ISBN: 0596003366Errata Page