INSERT INTO help_topic (help_topic_id,help_category_id,name,description,example,url) VALUES (224,15,'SUBSTR','Syntax:\nSUBSTR(str,pos), SUBSTR(str FROM pos), SUBSTR(str,pos,len), SUBSTR(str\nFROM pos FOR len)\n\nSUBSTR() is a synonym for SUBSTRING().\n\nURL: https://dev.mysql.com/doc/refman/8.0/en/string-functions.html\n\n','','https://dev.mysql.com/doc/refman/8.0/en/string-functions.html');