Oracle 5.0 Reference Manual page 472

The list of operators supported by boolean full-text searches performed using
See Section 12.9.2, "Boolean Full-Text
The default variable value is
• Operator function is determined by position within the string.
• The replacement value must be 14 characters.
• Each character must be an ASCII nonalphanumeric character.
• Either the first or second character must be a space.
• No duplicates are permitted except the phrase quoting operators in positions 11 and 12. These two
characters are not required to be the same, but they are the only two that may be.
• Positions 10, 13, and 14 (which by default are set to ":", "&", and "|") are reserved for future
extensions.
•
ft_max_word_len
Command-Line Format
Option-File Format
Option Sets Variable
Variable Name
Variable Scope
Dynamic Variable
The maximum length of the word to be included in a
Note
FULLTEXT
TABLE tbl_name
•
ft_min_word_len
Command-Line Format
Option-File Format
Option Sets Variable
Variable Name
Variable Scope
Dynamic Variable
Server System Variables
Default
+-><()~*:""&
Searches".
-><()~*:""&|'. The rules for changing the value are as follows:
'+
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--ft_max_word_len=#
ft_max_word_len
Yes,
ft_max_word_len
ft_max_word_len
Global
No
Permitted Values
Type
numeric
Min
10
Value
indexes must be rebuilt after changing this variable. Use
QUICK.
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--ft_min_word_len=#
ft_min_word_len
Yes,
ft_min_word_len
ft_min_word_len
Global
No
Permitted Values
Type
numeric
Default
4
452
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index.
FULLTEXT
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IN BOOLEAN MODE.
REPAIR