HELP Statement 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 • name : The help topic name. • is_it_category :  Y  if the name represents a help category,  N  if it does not. If it does not, the  name value when specified as the argument to the  HELP  statement should yield a single-row result set containing a description for the named item. This means that the search string matched many help topics. The result set indicates the help topic names: Example:  HELP ’status’ Yields: +-----------------------+----------------+ | name | is_it_category | +-----------------------+----------------+ | SHOW | N | | SHOW ENGINE | N | | SHOW MASTER STATUS | N | | SHOW PROCEDURE STATUS | N | | SHOW SLAVE STATUS | N | | SHOW STATUS | N | | SHOW TABLE STATUS | N | +-----------------------+----------------+ •Result set containing multiple rows with three columns • source_category_name : The help category name. • name : The category or topic name • is_it_category :  Y  if the name represents a help category,  N  if it does not. If it does not, the  name value when specified as the argument to the  HELP  statement should yield a single-row result set containing a description for the named item. This means the search string matches a category. The result set contains category entries: Example:  HELP ’functions’ Yields: +----------------------+-------------------------+----------------+ | source_category_name | name | is_it_category | +----------------------+-------------------------+----------------+ | Functions | CREATE FUNCTION | N | 2987