text: DROP TABLE IF EXISTS session;
  
  CREATE TABLE IF NOT EXISTS session (
    session_id VARCHAR(64) PRIMARY KEY NOT NULL DEFAULT '',
    contents TEXT NOT NULL,
    last_active INT(10) NOT NULL DEFAULT '0',
    expiration INT(10) NOT NULL DEFAULT '0'
  );
  
  CREATE INDEX last_active ON SESSION (last_active);
  CREATE INDEX expiration ON SESSION (expiration);
  