A. create database db1 character set gbk; B. create database db1 character set gb2312; C. create database db1 character set big5; D. create database db1 character set utf8;
A. create database db1; B. create database if exists db1; C. create databases if not exists db1 D. create database if not exists db1;
A. show databases; B. show databases C. show database D. show database;
A. show database; B. showcharacter set; C. show tables; D. display character set;
A. SHOW CREATE DATABASEdb1; B. SHOW DATABASES C. SHOW CREATE DATABASEdb1 D. SHOW DATABASES
A. show databases; B. use database; C. SELECT database(); D. show create database
A. create database db1; B. select database(); C. show databases; D. use db1;
A. 对 B. 错