Creates a new relation. Any existing relation sharing the same
name will be overwritten if the relation is
currently not in use and overwrite is set to TRUE.
参数
name
domlist
A combination of domains. May be passed as a single domain name string
or as an array of domain names.
This parameter should contain the domain specification for the new
relation within an array of domain description strings. A domain
description string consists of a domain name unique to this
relation, a slash and a type specification character. See the
db++ documentation, especially the dbcreate(1) manpage, for a
description of available type specifiers and their meanings.
注意:
This function will also accept a string with space delimited domain
description strings, but it is recommended to use an array