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create table group
(
  groupname varchar(20) not null,
  owner varchar(20) not null,
  membernum tinyint default 0,
  memberlist blob,
  index(groupname)
);

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create table group???
(
  groupname varchar(20) not null,
  owner varchar(20) not null,
  membernum tinyint default 0,
  memberlist blob,£¿£¿£¿£¿blob??
  index(groupname)£¿£¿//£¿  index ?
);

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memberlist blob,
  index(groupname) ÕâÁ½¾äÓÐÎÊÌ⣬ȥµô¾ÍºÃÁË

SQL code:
mysql> create table 'groupa'
-> (
-> groupname varchar(20) not null,
-> owner varchar(20) not null,
-> membernum tinyint default 0,
-> memberlist blob,
-> index(groupname)
-> );
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds t
ear ''groupa'
(
groupname varchar(20) not null,
owner varchar(20) not null,
' at line 1
mysql> create table groupa
-> (
-> groupname varchar(20) not null,
-> owner varchar(20) not null,
-> membernum tinyint default 0,
-> memberlist blob,
-> index(groupname)
-> )


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