example,url) VALUES (156,14,'PERIOD_ADD','Syntax:\nPERIOD_ADD(P,N)\n\nAdds N months to period P (in the format YYMM or YYYYMM). Returns a\nvalue in the format YYYYMM.\n\n*Note*:\n\nThe period argument P is not a date value.\n\nThis function returns NULL if P or N is NULL.\n\nURL: https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html\n\n','mysql> SELECT PERIOD_ADD(200801,2);\n        -> 200803\n','https://dev.mysql.com/doc/refman/8.0/en/date-and-time-functions.html');