Re: max length of primary key

2004-01-07 Thread Martijn Tonies
Hi, > I have a problem when creating a table: > > > CREATE TABLE test ( > test_key varchar(255) NOT NULL default '', > test_value text NOT NULL, > PRIMARY KEY (test_key) ) TYPE=MYISAM; > > It then report error: > > mySQL Error: Specified key was too long. Max key length is 500 > > Why

max length of primary key

2004-01-07 Thread Francis Mak
Hi, I have a problem when creating a table: CREATE TABLE test ( test_key varchar(255) NOT NULL default '', test_value text NOT NULL, PRIMARY KEY (test_key) ) TYPE=MYISAM; It then report error: mySQL Error: Specified key was too long. Max key length is 500 Why the varchar exceeded