ID是字符型:
update tbpd_pdrz set f_jzrbm='', f_jzrxm='', f_jzsj_jzbz='' where id = '2'
ID是数值型:
update tbpd_pdrz set f_jzrbm='', f_jzrxm='', f_jzsj_jzbz='' where id = 2
update tbpd_pdrz set f_jzrbm="", f_jzrxm="", f_jzsj _jzbz="" where id = 2
delete from tbpd_pdrz where id=2