A.EXECsp_unbindrulemz，’’student.民族’’
B.EXECsp_bindrulemz，’’student.民族’’
C.EXECsp_unbindefaultmz，’’student.民族’’
D.EXECsp_bindefaultmz，’’student.民族’’

A.DROP TABLE TEST
B.DELETE TABLE TEST
C.TRUNCATE TABLE TEST
D.DELETE TEST

A.DROP DATABASE TEST
B.DELETE DATABASE TEST
C.DROP TEST
D.DELETE TEST

A.INNERJOIN
B.LEFTJOIN
C.RIGHTJION
D.FULLJOIN

A.INNERJOIN
B.LEFTJOIN
C.RIGHTJION
D.FULLJOIN

A.*=
B.=*
C.RIGHTJOIN
D.RIGHTOUTERJOIN

A.*=
B.=*
C.LEFTJOIN
D.LEFTOUTERJOIN

A.SJZH
B.DESC
C.ADC
D.DTS