关于InnoDB描述正确的是
A. InnoDB是事务型数据库的首选引擎
B. InnoDB支持事务安全表(ACID)
C. InnoDB支持行锁定和外键
D. InnoDB拥有较高的插入、查询速度
修改数据库临时的默认存储引擎的命令是:
A. setdefault_storage_engine=innoDB;
B. show variables like "storage_engine";
C. show engines;
D. show databases;
查看默认存储引擎的命令是
A. showvariables like "storage_engine";
B. showvariables like "storage engine";
C. show engines;
D. set default_storage_engine=innoDB;
查看MYSQL中的存储引擎的命令是
A. show character set;
B. show engines;
C. show engine;
D. show create database;