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【简答题】
桥梁按照受力体系分类的三大基本体系中,()以受弯为主,()以受压为主,悬索桥以受拉为主。
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【单选题】Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. She granted SELECT privilege to Scott on this view. Which option enables Scott to eli...
A.
Scott can create a synonym for the EMP_DEPT_LOC_VU bus using the command: CREATE PRIVATE SYNONYM EDL_VU FOR mary.EMP DEPT_LOC_VU; then he can prefix the columns with this synonymn.
B.
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU FOR mary.EMP_DEPT_LOC_VU; then he can prefix the columns with this synonym.
C.
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE LOCAL SYNONYM EDL_VU FOR mary.EMP DEPT_LOC_VU; then he can prefix the columns with this synonym.
D.
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU ON mary(EMP_DEPT_LOC_VU); then he can prefix the columns with this synonym.
E.
Scott cannot create a synonym because synonyms can be created only for tables.
F.
Scott cannot create any synonym for Mary's view. Mary should create a private synonym for the view and grant SELECT privilege on that synonym to Scott.
【单选题】Select the view with correct dimensioning result. (Single option: 10 points)
A.
(1)
B.
(2)
C.
None
D.
None
【单选题】Select the view with correct dimensioning result according to the given machining steps. (Single option: 10 points)
A.
(1)
B.
(2)
C.
None
D.
None
【单选题】Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. She granted SELECT privilege to Scott on this view. Which option enables Scott to eli...
A.
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command CREATE PRIVATE SYNONYM EDL_VU FOR mary.EMP_DEPT_LOC_VU; then he can prefix the columns with this synonym.
B.
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command CREATE SYNONYM EDL_VU FOR mary.EMP_DEPT_LOC_VU; then he can prefix the columns with this synonym.
C.
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command CREATE LOCAL SYNONYM EDL_VU FOR mary.EMP_DEPT_LOC_VU; then he can prefix the columns with this synonym.
D.
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command CREATE SYNONYM EDL_VU ON mary(EMP_DEPT_LOC_VU); then he can prefix the columns with this synonym.
E.
Scott cannot create a synonym because synonyms can be created only for tables.
F.
Scott cannot create any synonym for Mary's view. Mary should create a private synonym for the view and grant SELECT privilege on that synonym to Scott.
【多选题】在下述原理、法则、定理中,只适用于刚体的有
A.
二力平衡原理;
B.
力的平行四边形法则;
C.
加减平衡力系原理;
D.
力的可传性原理;
E.
作用与反作用定理。
【单选题】Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES, DEPARTMENTS, and LOCATIONS tables. She granted SELECT privilege to Scott on this view. Which option enables Scott to eli...
A.
Scott can create a synonym for the EMP_DEPT_LOC_VU bus using the command:   CREATE PRIVATE SYNONYM EDL_VU   FOR mary.EMP DEPT_LOC_VU;   then he can prefix the columns with this synonymn.
B.
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command:   CREATE SYNONYM EDL_VU   FOR mary.EMP_DEPT_LOC_VU;   then he can prefix the columns with this synonym.
C.
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command:   CREATE LOCAL SYNONYM EDL_VU   FOR mary.EMP DEPT_LOC_VU;   then he can prefix the columns with this synonym.
D.
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command:   CREATE SYNONYM EDL_VU   ON mary(EMP_DEPT_LOC_VU);   then he can prefix the columns with this synonym.
E.
Scott cannot create a synonym because synonyms can be created only for tables.
F.
Scott cannot create any synonym for Mary’s view. Mary should create a private ynonym for the view and grant SELECT privilege on that synonym to Scott.
【单选题】Mary has a view called EMP_DEPT_LOC_VU that was created based on the EMPLOYEES,DEPARTMENTS, and LOCATIONS tables. She granted SELECT privilege to Scott on this view. Which option enables Scott to elim...
A.
Scott can create a synonym for the EMP_DEPT_LOC_VU bus using the command: CREATE PRIVATE SYNONYM EDL_VU FOR mary. EMP DEPT_LOC_VU; then he can prefix the columns with this synonymn.
B.
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE SYNONYM EDL_VU FOR mary. EMP DEPT_LOC_VU; then he can prefix the columns with this synonym.
C.
Scott can create a synonym for the EMP_DEPT_LOC_VU by using the command: CREATE LOCAL SYNONYM EDL_VU FOR mary. EMP DEPT_LOC_VU; then he can prefix the columns with this synonym.
D.
Scott cannot create a synonym because synonyms can be created only for tables.
E.
Scott cannot create any synonym for Mary's view. Mary should create a private synonym for the view and grant SELECT privilege on that synonym to Scott.
【多选题】中兴智能集成多业务路由器产品定位是( )
A.
运营商接入路由器
B.
运营商核心路由器
C.
大中小型企业机构
D.
网吧、校园网、专网等
【单选题】Select the view with correct dimensioning result. (Single option: 10 points)
A.
(2)
B.
(1)
C.
(3)
D.
None
【单选题】Select the view with correct dimensioning result. (Single option: 10 points)
A.
(2)
B.
(1)
C.
None
D.
None
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