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[单选] The following commands are available in the Linux binary distributions of MySQL:以下命令在MySQL的Linux二进制发行版中可用:-mysqld-mysqld_safe-mysql.serverWhat is the correct description of each of these commands?这些命令的正确描述是什么?
A.Mysqld is the server. Mysqld_safe is a shell script that invokes mysqld. Mysql.server is a wrapper for mysql_safe. Mysqld是服务器。Mysqld_safe是一个调用Mysqld的shell脚本。Mysql.server是mysql的包装器。 B.Mysqld is a shell script that starts mysql.server. Mysqld_safe causes the server to start up in datarecovery mode. Mysql.server is the server. C.Mysqld is the server. Mysqld_safe causes the server to start up in data recovery mode. Mysql.server is a wrapper for mysqld_safe. D.Mysql, mysqld.safe, and mysql.server reside in different locations but are all symlinked to the samescript.
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