范例：create table abc (number int, name char(10));
范例：create table test(id int unsigned not null primary key
auto_increment,name char(20) not null default '',phone char(32));
范例：CREATE TABLE com_org (
serial int unsigned NOT NULL auto_increment,
id int unsigned NOT NULL,
PRIMARY KEY (id),
UNIQUE KEY (serial)
)CHARACTER SET utf8 COLLATE utf8_bin;
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