A、CREATE UNIQUE INDEX idx_partno ON parts(part_no)
B、CREATE UNIQUE INDEX idx_partno ON parts(part_name ASC)
C、CREATE UNIQUE INDEX idx_partno ON parts(part_name, part_no ASC)
D、CREATE UNIQUE INDEX idx_partno ON parts(part_no, part_name ASC)
A、CREATE UNIQUE INDEX idx_partno ON parts(part_no)
B、CREATE UNIQUE INDEX idx_partno ON parts(part_name ASC)
C、CREATE UNIQUE INDEX idx_partno ON parts(part_name, part_no ASC)
D、CREATE UNIQUE INDEX idx_partno ON parts(part_no, part_name ASC)
时间:2021-12-31 19:31 关键词: IBM(000-730)
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