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B、on条件后面
C、like条件后面
D、join后面
A、Where G>60 And G<100<br> B、Where G>=60 And G<100<br> C、Where G>60 And G<=100<br> D、Where G>=60 And G<=100<br>
我们在这地里干活不仅有经济上的回报,而且有精神上的收获。
B.unionselectTOP1COLUMN_NAMEFROMINFORMATION_SCHEMA.COLUMNSwhereTABLE_NAME='xxx'whereCOLUMN_NAMENOTIN('xxx')-
C.unionselectTOP1COLUMN_NAMEFROMINFORMATION_SCHEMA.COLUMNSwhereTABLE_NAME='xxx'whereCOLUMN_NAMENOTIN('xxx','xxx')-
D.unionselectTOP1FROMINFORMATION_SCHEMA.COLUMNS.tables
A、The Peak of Jade Emperor
B、The South Heaven Gate
C、The Heavenly Grant Palace
D、Temple of Confucius
B.unionselectTOP1COLUMN_NAMEFROMINFORMATION_SCHEMA.COLUMNSwhereTABLE_NAME='xxx'whereCOLUMN_NAMENOTIN('xxx')-
C.unionselectTOP1COLUMN_NAMEFROMINFORMATION_SCHEMA.COLUMNSwhereTABLE_NAME='xxx'whereCOLUMN_NAMENOTIN('xxx','xxx')-
D.unionselectTOP1FROMINFORMATION_SCHEMA.COLUMNS.tables
A、carbon dioxide
B、carbon emission allowances
C、carbon cycle
D、carbon copies
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