A.at time
B.at all time
C.at a time
D.at one time
第1题:
Given the following DDL for the PARTS table:CREATE TABLE parts (part_no INT(9) NOT NULL, part_name VARCHAR(24), part_remain INT(9));All part numbers entered will be different and all rows should be displayed in order of increasing part numbers whenever the table is queried. Which of the following create index statements will meet this criteria and require the least amount of storage for the index object?()
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)
第2题:
What publications should a GMDSS Operator consult regarding the proper set-up and operation of vessel equipment ________.
A.ITU Publications
B.The manufacturers instruction manuals
C.Part 90 of the FCC Rules and Regulations
D.Code of Federal Regulations,Title 47,Part 80,Subpart W
第3题:
The report listed as new basics()
AEnglish,mathematics,computer,social studies
Bscience,mathematics,social studies,foreign language
CEnglish,science,social studies,mathematics,computer
DEnglish,science,computer,social studies
第4题:
A.EXP SYSTEM/MANAGER FILE=EXPDAT.DMP TABLES=(user1.temp1,part1,part2,part3)
B.EXP SYSTEM/MANAGER FILE=EXPDAT.DMP
C.EXP SYSTEM/MANAGER FILE=EXPDAT.DMP TABLES=(user1.temp1)
D.EXP SYSTEM/MANAGER FILE=EXPDAT.DMP TABLES=(user1.temp1,full)
第5题:
第6题:
在Creo 中,需选用实体零件公制模板是()。
A.mmns_part_solid
B.mmns_harn_part
C.solid_part_mmks
D.inlbs_part_solid