SQL 37) -CREATE INDEX
对first_name创建唯一索引uniq_idx_firstname
http://www.nowcoder.com/questionTerminal/e1824daa0c49404aa602cf0cb34bdd75
方法）创建索引
CREATE INDEX idx_lastname ON actor(last_name); CREATE UNIQUE INDEX uniq_idx_firstname ON actor(first_name);
虾皮信息公司福利 757人发布
