Oracle 5.0 Reference Manual page 1232

• example: Usage example or examples. This column might be blank.
Example:
HELP 'replace'
Yields:
name: REPLACE
description: Syntax:
REPLACE(str,from_str,to_str)
Returns the string str with all occurrences of the string from_str
replaced by the string to_str. REPLACE() performs a case-sensitive
match when searching for from_str.
example: mysql> SELECT REPLACE('www.mysql.com', 'w', 'Ww');
-> 'WwWwWw.mysql.com'
• Result set containing multiple rows with two columns
This means that the search string matched many help topics. The result set indicates the help topic
names:
• name: The help topic name.
• is_it_category:
value when specified as the argument to the
name
set containing a description for the named item.
Example:
HELP 'status'
Yields:
+-----------------------+----------------+
| name
+-----------------------+----------------+
| SHOW
| SHOW ENGINE
| SHOW INNODB STATUS
| SHOW MASTER STATUS
| SHOW PROCEDURE STATUS | N
| SHOW SLAVE STATUS
| SHOW STATUS
| SHOW TABLE STATUS
+-----------------------+----------------+
• Result set containing multiple rows with three columns
This means the search string matches a category. The result set contains category entries:
• source_category_name: The help category name.
• name: The category or topic name
• is_it_category:
value when specified as the argument to the
name
set containing a description for the named item.
Example:
HELP 'functions'
Yields:
+----------------------+-------------------------+----------------+
| source_category_name | name
+----------------------+-------------------------+----------------+
| Functions
| Functions
| Functions
Syntax
HELP
if the name represents a help category,
Y
| is_it_category |
| N |
| N |
| N |
| N |
|
| N |
| N |
| N |
if the name represents a help category,
Y
| CREATE FUNCTION
| DROP FUNCTION
| Bit Functions
1212
if it does not. If it does not, the
N
statement should yield a single-row result
HELP
if it does not. If it does not, the
N
statement should yield a single-row result
HELP
| is_it_category |
| N |
| N |
| Y |