แก้ไขแล้วตามนี้ครับ ไม่ทราบว่าถูกต้องหรือไม่ $table= $prefix.'_questionaire'; $sql ="DROP TABLE IF EXISTS $table"; dosql($table,$sql); $sql = "CREATE TABLE ".$prefix."_questionaire ( ln_eid int(10) unsigned default NULL, ln_sid int(10) unsigned default NULL, ln_t1_1 int(1) unsigned default NULL, ln_t1_2 int(1) unsigned default NULL, ln_t1_3 int(1) unsigned default NULL, ln_t1_4 int(1) unsigned default NULL, ln_t1_5 int(1) unsigned default NULL, ln_t2_1 int(1) unsigned default NULL, ln_t2_2 int(1) unsigned default NULL, ln_t3_1 int(1) unsigned default NULL, ln_t3_2 int(1) unsigned default NULL, ln_t3_3 int(1) unsigned default NULL, ln_t4 text, PRIMARY KEY (ln_eid) ) TYPE=MyISAM "; dosql($table,$sql); $table= $prefix.'_quiz'; $sql ="DROP TABLE IF EXISTS $table"; dosql($table,$sql); $sql = "CREATE TABLE ".$prefix."_quiz ( ln_qid int(10) unsigned NOT NULL auto_increment, ln_cid int(10) unsigned default NULL, ln_name varchar(255), ln_intro text, ln_attempts int(6), ln_feedback int(4), ln_correctanswers int(4), ln_grademethod int(4), ln_shufflequestions int(4), ln_testtime int(10), ln_grade int(10), ln_assessment int(3), PRIMARY KEY (ln_qid) ) TYPE=MyISAM ";