create database和alter database語句有一個可選的子句來指定數(shù)據(jù)庫字符集和校對規(guī)則：[[default] character set charsetname]如何修改數(shù)據(jù)庫級別的字符校對規(guī)則:collati修改數(shù)據(jù)庫的校對規(guī)則，mysql: unknown variable collatib 通過alter database dbname [[default] character set charsetname] [[default] collate collationname]