ANSWERS
DMLn-ncorrectnanswer-IUDS,nCR
insert,nupdate,ndelete,nselect
commit,nrollback
INSERTn-ncorrectnanswer-addnnewnrows
UPDATEn-ncorrectnanswer-modifyndatanofnexistingnrows
DELETEn-ncorrectnanswer-deletensome/allnrecordsnfromndatabase
cannbenrollednback
COMMITn-ncorrectnanswer-permanentlynsaves
ROLLBACKn-ncorrectnanswer-undonchanges
SELECTn-ncorrectnanswer-datanretrieval
WHEREn-ncorrectnanswer-limitsnrowsnreturned
usednbeforengroupnby
ORDERnBYn-ncorrectnanswer-OC
sortsncolumns
GROUPnBYn-ncorrectnanswer-GR